Lhotse

Lhotse (ལྷོ་རྩེ)

Lhotse is an 8,516-meter (27,940-foot) mountain on the border between Nepal and Tibet and the fourth-highest mountain on Earth. It rises immediately south of Mount Everest and is so closely connected with the world’s highest mountain that the two share the same approach and much of the same standard climbing route.

Despite that proximity, Lhotse is a major mountain in its own right. Its immense west face forms one side of the Western Cwm, while its extraordinary south face rises thousands of meters above the glaciers of the upper Imja Valley. A long summit ridge contains three important high points: Lhotse Main, Lhotse Middle, and Lhotse Shar.

The name itself reflects this relationship with Everest. Lhotse means “South Peak” in Tibetan, referring to its position directly south of Everest. For decades after early surveyors identified the summit, Lhotse was sometimes treated almost as an appendage of its more famous neighbor. Mountaineers eventually discovered that its steep summit pyramid and enormous southern walls make it one of the most technically interesting mountains in the Himalayas.

Lhotse Main was first climbed on May 18, 1956, by Swiss mountaineers Ernst Reiss and Fritz Luchsinger during the Swiss Everest–Lhotse expedition led by Albert Eggler. The pair climbed the west face from the Western Cwm and forced their way through the steep couloir now closely associated with the normal route.

The mountain’s subsidiary summits took much longer to solve. Austrian climbers Josef “Sepp” Mayerl and Rolf Walter made the first ascent of Lhotse Shar in 1970. Lhotse Middle remained unclimbed until 2001 and for years was widely regarded as the highest unclimbed named summit on Earth.

The greatest climbing challenge of all was the south face of Lhotse, a wall of rock and ice more than three kilometers high. Slovenian climber Tomo Česen claimed an extraordinary solo ascent in April 1990, although important aspects of his climb remain disputed. Later that year, Soviet climbers Sergei Bershov and Vladimir Karataev completed the first undisputed ascent of the wall by an extremely difficult direct route.

Today Lhotse is climbed far more frequently than it was during its first decades of mountaineering history, partly because the normal route shares extensive infrastructure with the popular southern route on Everest. Yet above the point where the two routes separate, Lhotse remains steep, exposed, and technically serious. Its summit is nearly as high as Everest’s, and the final couloir presents real climbing at more than 8,000 meters.

⚡ Fast Facts

Fact	Details
Continent	Asia
Countries	Nepal and China
Nepal Province	Koshi Province
Nepal District	Solukhumbu
China Region	Tibet Autonomous Region
Mountain Range	The Himalayas
Subrange	Mahalangur Himal
Elevation	8,516 m / 27,940 ft
World Ranking	4th-highest mountain
Prominence	Approximately 610 m / 2,001 ft
Isolation	Approximately 2.42 km / 1.50 mi
Nearest Higher Neighbor (NHN)	Mount Everest
Line Parent	Mount Everest
Coordinates	Approximately 27.9622° N, 86.9338° E
Name Meaning	“South Peak”
First Serious Attempt	1955 Swiss-American expedition
First Ascent	May 18, 1956
First Ascenders	Ernst Reiss and Fritz Luchsinger
Expedition Leader	Albert Eggler
First-Ascent Route	West face via Western Cwm and summit couloir
Second Ascent	May 8, 1977
Lhotse Shar First Ascent	May 12, 1970
Lhotse Middle First Ascent	May 23, 2001
First Winter Ascent	December 31, 1988
First Winter Ascender	Krzysztof Wielicki
First Woman to Summit	Chantal Mauduit, May 10, 1996
First Undisputed South-Face Ascent	October 16, 1990
Protected Area	Sagarmatha National Park
Terrain	Glacier, steep snow and ice, rock, couloirs, seracs, cornices, and exposed summit ridges

🏔️ Where Is Lhotse?

Lhotse rises directly on the Nepal–Tibet border, immediately south of Mount Everest in the Mahalangur Himal. Its position is unusual because the two mountains are connected by a very high saddle: the South Col, which lies at roughly 7,900 meters.

From Nepal, Lhotse dominates the eastern side of the Western Cwm, the broad glacial valley used by climbers approaching Everest from the south. The mountain’s west face rises directly above the cwm in a sweeping wall of ice and rock through which both Everest and Lhotse climbers must pass.

The southern side is completely different. There, Lhotse plunges toward the Imja Valley in one of the steepest and largest mountain walls in the Himalayas. Nuptse extends westward from the broader Everest–Lhotse mountain system, while Makalu rises farther southeast.

The Nepalese side of Lhotse lies within Sagarmatha National Park, a 1,148-square-kilometer protected landscape encompassing Everest, Cho Oyu, Nuptse, Pumori, and many of the great valleys and glaciers of the upper Khumbu.

📏 How High Is Lhotse?

Lhotse reaches 8,516 meters (27,940 feet), making it the fourth-highest mountain in the world after Everest, K2, and Kangchenjunga.

Historical measurements varied slightly. Early climbing literature commonly listed Lhotse around 8,501 or 8,511 meters, and the 1956 first-ascent expedition used an elevation close to 27,890 feet. More recent mapping and Nepalese government records have standardized the main summit at 8,516 meters.

Although Lhotse stands only 333 meters lower than Everest, its summit receives far less attention. That difference in fame can create the mistaken impression that Lhotse is significantly smaller. In reality, it is higher than Makalu, Cho Oyu, Dhaulagiri, Manaslu, and every mountain outside the three giants above it in the global ranking.

Its summit also lies more than 500 meters inside the atmospheric region commonly called the death zone, where humans cannot fully acclimatize and physiological deterioration accelerates rapidly.

📐 Prominence and Isolation

Lhotse has approximately 610 meters (2,001 feet) of topographic prominence. Its true topographic isolation is only about 2.42 kilometers (1.50 miles) because Everest rises so close to the north.

Those numbers are unusually modest for a mountain ranked fourth-highest in the world. Lhotse does not qualify as an ultra-prominent summit, and its relationship with Everest is considerably closer than that of most major 8,000-meter peaks with their nearest higher neighbors.

Topographic statistics, however, do not capture its physical scale particularly well. Lhotse possesses enormous individual faces and a summit more than 8.5 kilometers above sea level. Its south face alone would rank among the great walls of the Himalayas even if the mountain were not attached to Everest.

Lhotse is therefore a good example of the distinction between absolute elevation and topographic independence. It is one of Earth’s highest mountains but not one of its most prominent.

🧭 What Does Lhotse Mean?

The name Lhotse comes from Tibetan. Lho means south, while tse or rtse means peak or summit. The name therefore translates directly as “South Peak.”

The reference is to Everest. From Tibet, Lhotse occupies the southern portion of the enormous mountain system surrounding the world’s highest summit.

The name also explains that Lhotse historically did not always receive the same degree of individual attention as other Himalayan giants. Early explorers interested primarily in Everest viewed it as part of the complicated terrain immediately surrounding their main objective.

Mountaineers eventually learned that Lhotse’s southern and western faces contained major challenges of their own, and the mountain developed a completely independent climbing history.

🏔️ Lhotse and Everest

Few 8,000-meter mountains are connected as intimately as Lhotse and Everest.

The two peaks share the Khumbu Icefall, Western Cwm, and much of the Lhotse Face on their standard Nepalese routes. Climbers headed for either summit therefore follow almost identical terrain through the first several high camps.

Above the Western Cwm, both routes climb the steep Lhotse Face. Everest climbers eventually traverse toward the Geneva Spur and South Col, turning toward Everest’s southeast ridge.

Lhotse climbers separate from this line and continue more directly toward the summit pyramid. They enter the steep couloir cutting through Lhotse’s upper face before reaching the tiny summit.

The shared route has important modern consequences. Much of the infrastructure installed for Everest expeditions — including ropes and prepared passages through the Khumbu Icefall — can also benefit Lhotse teams.

Beyond the junction, however, the two climbs become very different.

🏔️ The Lhotse Summit Ridge

Lhotse is not a single simple summit. Its high ridge contains several major points extending eastward from the 8,516-meter main top.

The three best-known are Lhotse Main, Lhotse Middle, and Lhotse Shar.

Modern detailed mapping places Lhotse Middle at approximately 8,410 meters, although historical climbing literature frequently uses 8,413 or 8,414 meters.

Farther east, Lhotse Shar is mapped at approximately 8,386 meters, while older expedition accounts generally use 8,398 or 8,400 meters.

These differences reflect surveying methods rather than uncertainty over the identity of the peaks.

All three summits exceed 8,000 meters, yet only Lhotse Main is counted separately among the traditional fourteen eight-thousanders because Middle and Shar lack sufficient topographic independence.

🔭 Early Exploration

Lhotse naturally entered mountaineering history through early expeditions to Everest.

Climbers approaching Everest from Tibet could see the huge mountain immediately south of the main summit, while British expeditions approaching through Nepal after the country opened to foreign climbers in 1950 obtained a much closer look at its western face.

The Swiss Everest expeditions of 1952 and the British Everest expedition of 1953 identified a narrow couloir high on the western side as a possible route toward Lhotse’s summit.

At that point, however, Everest remained the overwhelming priority.

Once Everest had been climbed by Edmund Hillary and Tenzing Norgay in 1953, attention began shifting toward the remaining unclimbed giants surrounding it.

Lhotse became an obvious target.

🇨🇭🇺🇸 The 1955 Attempt

The first serious attempt took place during the post-monsoon season of 1955.

A Swiss-American expedition led by Norman Dyhrenfurth approached Lhotse through the Western Cwm. The team established five camps and investigated the couloir high on the west face.

Swiss climber Ernst Senn reached approximately 8,100 meters on October 16, a remarkable altitude on a previously unclimbed mountain.

The summit was relatively close in vertical distance but separated from the climbers by steep and increasingly difficult terrain. Conditions deteriorated, and the expedition eventually abandoned the attempt.

Although unsuccessful, it confirmed that the western couloir provided a viable line.

The Swiss returned the following spring with an even more ambitious plan: climb both Everest and Lhotse during the same expedition.

🇨🇭 The 1956 Swiss Expedition

The Swiss Everest–Lhotse Expedition of 1956 was led by Albert Eggler.

Its climbing team included several highly experienced Swiss mountaineers, among them Ernst Reiss and Fritz Luchsinger.

The expedition established the familiar chain of camps through the Khumbu Icefall and Western Cwm before reaching the steep Lhotse Face.

By May 9, Camp VI had been established at nearly 7,900 meters.

Pre-monsoon storms then covered the upper mountain in fresh snow and forced the climbers downward. Powder avalanches poured from the surrounding slopes, raising fears that the entire expedition might have to retreat.

The weather eventually improved.

On May 17, Reiss and Luchsinger returned to the highest camp and prepared for the decisive summit attempt.

🧗 Into the Lhotse Couloir

The pair left Camp VI on May 18 and traversed toward the upper west face.

Luchsinger’s oxygen apparatus froze early in the climb, costing the team valuable time while they repaired it with stiffening fingers in bitter wind.

The climbers then entered the narrow snow couloir leading toward the summit.

As they climbed higher, the gully became increasingly steep and constricted. In places there was room for only one boot in the snow.

Rock interrupted the couloir, requiring the pair to use pitons and more technical climbing techniques. Higher still, they crossed slabby snow and a steep ice-and-snow ridge of at least 50 degrees.

The final summit cone was now directly above them.

🏆 First Ascent — May 18, 1956

After climbing a band of rock and the final rope length, Ernst Reiss and Fritz Luchsinger reached the summit of Lhotse at approximately 2:50 p.m.

The top was extremely small and sharply corniced. Conditions were so precarious that the climbers could not comfortably stand directly on the highest point. They hacked out a tiny platform slightly below it and reached toward the top.

The pair took photographs and began descending.

Their supplemental oxygen was exhausted by the time they moved downward, and the descent of the roughly 450-meter summit couloir required as much time as the ascent.

At approximately six in the evening, they reached their high camp safely.

Lhotse, the fourth-highest mountain in the world, had been climbed.

🏆 Everest and Lhotse in One Expedition

The Swiss expedition’s achievement did not end with Lhotse.

Other members turned their attention toward Everest.

On May 23, Ernst Schmied and Jürg Marmet reached Everest’s summit. Dölf Reist and Hansruedi von Gunten followed on May 24.

The expedition therefore completed the second and third ascents of Everest as well as the first ascent of Lhotse.

It was one of the greatest collective successes of the golden age of Himalayan mountaineering.

The climbers also established a route structure that would influence the modern normal routes on both mountains.

Today, Everest and Lhotse expeditions still share much of the same geography through the Khumbu Icefall, Western Cwm, and Lhotse Face.

⏳ Twenty-One Years Until the Second Ascent

Lhotse’s first ascent did not immediately transform the mountain into a popular objective.

No confirmed second ascent occurred for 21 years.

An Austro-German expedition led by Gerhard Schmatz returned in spring 1977, following approximately the original Swiss route.

The group established five high camps through the Khumbu Icefall, Western Cwm, and Lhotse Face.

On May 8, 1977, Hans von Känel, Hermann Warth, and Urkien Tsering reached the summit.

Further teams followed on May 9 and May 11.

The expedition demonstrated that the 1956 line was repeatable, although the climb remained a serious undertaking requiring extensive route preparation.

🏔️ Lhotse Shar

While the main summit went unclimbed for decades after 1956, mountaineers were already investigating Lhotse Shar, the great eastern summit of the ridge.

The name Shar means east, so Lhotse Shar can be understood as the East Peak of Lhotse.

Its historical elevation was generally given as 8,398–8,400 meters, while modern mapping places the summit closer to 8,386 meters.

Despite being slightly lower than Lhotse Middle, Lhotse Shar possesses a dramatic individual profile and serious climbing routes of its own.

Attempts began during the 1960s. A Japanese expedition in 1965 climbed high on the mountain but stopped around 7,900 meters.

An Austrian team returned in 1970.

🇦🇹 First Ascent of Lhotse Shar

The 1970 Austrian expedition was led by Siegfried Aeberli.

The climbers approached the southeastern spur from the Lhotse Glacier and established a series of camps through extremely difficult snow and ice terrain. Much of the route below Camp III was fixed with rope.

Josef “Sepp” Mayerl and Rolf Walter left Camp IV on May 12, 1970.

The first slopes were relatively straightforward, but a false summit was followed by a wild and heavily corniced ridge.

The climbers then reached a steep final face, traversed toward rock to avoid endless step-cutting, and climbed extremely steep ice and rotten snow through the final section.

At approximately 12:30 p.m., they broke through the summit cornice and reached the top of Lhotse Shar.

The summit had required a substantially different line from the route used on Lhotse Main.

🧩 Lhotse Middle

Between Lhotse Main and Lhotse Shar rises Lhotse Middle, sometimes historically called Lhotse Central.

Its height of roughly 8,410–8,414 meters makes it higher than several of the world’s recognized fourteen eight-thousanders, including Cho Oyu, Dhaulagiri, and Manaslu.

Yet because it is connected to Lhotse Main by a very high ridge and has limited topographic prominence, it is regarded as a subsidiary summit rather than a separate mountain.

For decades that technical classification did nothing to reduce its mountaineering importance.

Lhotse Middle was an exceptionally difficult objective because it could not be reached easily from either neighboring summit. Climbers had to negotiate long, exposed ridges above 8,000 meters or attempt one of the massive faces below.

By the late 1990s, it was widely described as the highest unclimbed named summit in the world.

🇷🇺 Attempts on Lhotse Middle

Russian climbers became especially committed to solving Lhotse Middle.

An attempt in 1997 planned to reach it from Lhotse Main. The expedition ended tragically when Vladimir Bashkirov died during descent from the main summit.

Another Russian expedition attempted the traverse from Lhotse Shar in 1998. Climbers reached Lhotse Shar’s summit but failed to complete the ridge.

Further attempts followed in 2000. One Russian-Georgian team again investigated the main-summit approach, while another expedition planned an ambitious route on the southern wall of the Lhotse massif. The latter ended when Vladimir Bondarev was killed in an avalanche.

The repeated failures demonstrated that Lhotse Middle’s modest prominence was irrelevant to its climbing difficulty.

A completely different strategy would finally succeed in 2001.

🏆 First Ascent of Lhotse Middle — 2001

A 12-member Russian expedition led by Sergei Timofeev approached Lhotse Middle through terrain no previous team had completed.

The climbers first followed the Everest normal route to the South Col. From there, they moved onto Lhotse’s north ridge and traversed across previously untouched terrain on the upper Kangshung side of the massif.

More than a kilometer of rope was fixed through steep snow and rock.

On May 23, 2001, Alexey Bolotov, Petr Kuznetsov, Evgeny Vinogradsky, and Sergei Timofeev reached the summit area of Lhotse Middle.

The final approach contained an almost vertical rock wall graded around UIAA VI before the climbers gained the extremely narrow upper crest. An unstable cornice made the exact highest snow point unsafe to stand upon, but the ascent was accepted as the first climb of the summit.

Additional Russian climbers repeated the ascent over the following days.

One of the world’s great remaining high-altitude summit problems had finally been solved.

🧱 The South Face of Lhotse

Lhotse’s south face is one of the most famous walls in the Himalayas.

The face rises roughly 3,000 vertical meters and stretches across an enormous sweep of rock, ice, hanging snowfields, couloirs, and seracs.

From the Imja Valley, it appears almost impossibly steep for a mountain reaching 8,516 meters.

Unlike the normal route, which follows comparatively moderate terrain through the Western Cwm, the south face requires sustained technical climbing at extreme altitude.

The wall attracted some of the strongest mountaineers of the second half of the 20th century.

It also became one of the Himalayas’ most tragic objectives.

Repeated expeditions spent years pushing routes to within a few hundred meters of the top without completing the face.

🇯🇵 The First South-Face Attempts

A Japanese expedition made one of the first serious attempts in 1973, reaching approximately 7,300 meters.

Italian mountaineering legend Riccardo Cassin led another expedition in 1975. His team climbed to roughly 7,500 meters before the tremendous scale and objective danger of the wall forced a retreat.

By this stage, it was obvious that the face represented a different category of Himalayan problem.

Climbers were no longer simply searching for a route to an unclimbed summit. Lhotse had already been climbed repeatedly from the west.

The challenge was to create a route through one of the largest continuous walls in the world.

Yugoslav climbers would soon come closer than anyone before them.

🇾🇺 The 1981 Yugoslav Attempt

A powerful Yugoslav expedition attacked the south face in 1981.

The team climbed an impressive line through the wall and reached approximately 8,150 meters, leaving only a few hundred vertical meters before the summit ridge.

The terrain they encountered was sustained and serious, while changing weather repeatedly complicated progress.

The expedition ultimately retreated without reaching the summit.

Nevertheless, getting beyond 8,000 meters on the south face represented a major achievement. The Yugoslav line demonstrated that the wall could potentially be climbed all the way through.

It also established the benchmark that future Polish, international, and Soviet expeditions would repeatedly try to exceed.

🇵🇱 Polish Attempts

Polish climbers became deeply involved with the south face during the 1980s.

A strong expedition in 1985 included Krzysztof Wielicki, Jerzy Kukuczka, Artur Hajzer, and other leading Polish alpinists.

The team established six camps and pushed to approximately 8,200 meters. Difficult rock climbing, powerful winds, exhaustion, and a fatal accident eventually forced the expedition down.

The Poles returned in 1987 and climbed still higher, reaching approximately 8,300 meters before wind stopped them.

The pattern was becoming almost cruelly consistent. Strong teams could climb the overwhelming majority of the face, only to encounter impossible weather or technical barriers during the final few hundred meters.

Jerzy Kukuczka became determined to solve the wall.

🕯️ Jerzy Kukuczka — 1989

By 1989, Jerzy Kukuczka had become one of the greatest high-altitude mountaineers in history.

He was the second person after Reinhold Messner to climb all fourteen 8,000-meter mountains, but unlike Messner, Kukuczka completed many of them by new routes and in winter.

Lhotse occupied a peculiar place in his record because he had already climbed the mountain by its normal route. He wanted to return and climb it in the ambitious style that characterized so much of his Himalayan career.

Kukuczka organized another south-face expedition in autumn 1989.

Bad monsoon weather delayed progress, but by late October he and Ryszard Pawłowski had climbed extremely high on the wall.

They bivouacked first at about 8,000 meters and then at approximately 8,300 meters.

The ridge was almost within reach.

⚠️ Kukuczka’s Fatal Fall

On the morning of October 23, 1989, Kukuczka began climbing the final obstacle toward the ridge crest.

He was only a short distance from gaining it when he fell.

The fall exceeded 100 meters.

The rope failed under the force, and Kukuczka fell down the face to his death.

Pawłowski survived high on the mountain and eventually descended with assistance from other expedition members.

Kukuczka’s death shocked the international climbing community. A mountaineer who had survived astonishingly difficult new routes and winter ascents across the Himalayas died within sight of the crest of the wall that had obsessed him.

Lhotse’s south face was still unclimbed.

But only months later, one of mountaineering’s most controversial claims would emerge.

❓ Tomo Česen — 1990

Slovenian alpinist Tomo Česen announced that he had climbed the south face alone in April 1990.

Česen reported an extraordinarily fast ascent. He claimed to have climbed the wall from April 22 to 25, reaching the summit on April 24 after approximately 46 hours of climbing.

If accepted exactly as described, the ascent would rank among the most astonishing solo climbs ever completed on an 8,000-meter mountain.

Initially, several prominent mountaineers accepted the claim.

Questions later emerged over photographic evidence and details of the route, and doubts increased because of controversy surrounding some of Česen’s other reported ascents.

The climbing community remains divided over exactly what he accomplished.

For that reason, histories of Lhotse commonly distinguish between Česen’s disputed 1990 solo claim and the first undisputed ascent later the same year.

🇷🇺 The Soviet Direttissima — 1990

A large Soviet expedition led by Alexander Shevchenko arrived on the south face in autumn 1990.

Rather than follow the Yugoslav and Polish lines exactly, the team chose a route through the rocky central portion of the wall.

It was exceptionally difficult.

Six camps were established at approximately 6,000, 6,600, 7,000, 7,400, 8,000, and 8,400 meters.

Above Camp IV, rock climbing reached approximately UIAA V and VI, complicated by ice, snow, cornices, and extreme altitude.

The expedition spent weeks forcing a way upward.

Finally, Sergei Bershov and Vladimir Karataev reached the highest camp and prepared for the summit.

🏆 First Undisputed South-Face Ascent

On October 16, 1990, Bershov and Karataev left Camp VI at approximately seven in the morning.

They climbed for around twelve hours through extraordinarily difficult upper ridges.

At approximately 7 p.m., already in darkness, they reached Lhotse’s summit.

The ascent became the first undisputed completion of the south face.

Survival now became the greater challenge.

The pair had spent days above 8,000 meters and were almost completely exhausted. Their companions climbed upward to assist them.

It took roughly five days to bring the exhausted climbers down the mountain using the expedition’s fixed ropes.

Seven members of the team suffered severe frostbite, and amputations were expected.

The route remains one of the great achievements of expedition-style technical Himalayan climbing.

❄️ First Winter Ascent

Lhotse’s first winter ascent came before the south face had been solved.

A joint Belgian-Polish expedition arrived in the Everest region during the 1988–1989 winter season.

The original expedition was primarily focused on Everest, but deteriorating conditions and a fatal accident disrupted the plans.

Polish climber Krzysztof Wielicki, already one of the leading winter Himalayan mountaineers, turned his attention toward Lhotse.

Wielicki and Leszek Cichy spent the night at approximately 7,400 meters.

On December 31, 1988, Wielicki continued alone.

He climbed the west face and summit couloir without supplemental oxygen.

Wielicki reached the summit, completing the first winter ascent of Lhotse.

The climb added another first winter ascent to the extraordinary Polish record on the world’s highest mountains.

👩 Chantal Mauduit — First Female Ascent

French mountaineer Chantal Mauduit became the first woman to reach Lhotse’s summit on May 10, 1996.

Mauduit was one of the leading female high-altitude climbers of the 1990s and generally climbed without supplemental oxygen.

Her Lhotse ascent was completed without bottled oxygen and largely independently on the normal route.

The date placed her directly in the middle of one of the most tragic periods in Everest history. The catastrophic Everest storm of May 10–11, 1996 unfolded on the neighboring mountain while Mauduit was descending through the shared high-altitude route system.

Only two years later, Mauduit died in an avalanche while attempting Dhaulagiri.

Her Lhotse ascent remains an important landmark in women’s Himalayan mountaineering.

⚡ Speed and Lhotse

Lhotse’s shared infrastructure with Everest has also made it an important mountain for speed climbs and multi-summit combinations.

In 1994, Mexican climber Carlos Carsolio completed a very fast solo climb from Base Camp to the summit, setting a notable speed mark for the period.

Two years later, Anatoli Boukreev completed another exceptionally fast ascent without supplemental oxygen after having climbed Everest earlier in the same month.

Modern climbers have increasingly combined Everest and Lhotse because the routes share most of their lower and middle terrain.

Once a climber returns from Everest to the South Col or Lhotse Face, the second summit does not require descending all the way to Base Camp and beginning again.

The possibility remains physically extraordinary because it involves prolonged exposure above 7,000 and 8,000 meters.

🏔️ Everest–Lhotse Double

In 2011, American guide Michael Horst climbed Everest and Lhotse without descending below the South Col between the two summits.

Less than 21 hours separated his two summits.

The climb became an important milestone in the increasingly popular concept of an Everest–Lhotse double.

In 2012, American ski mountaineer Hilaree Nelson summited Everest and then Lhotse within roughly 24 hours, becoming the first woman to accomplish the combination in that time frame.

Other elite climbers and guided clients have since completed variations of the double.

These ascents are geographically logical because of the shared route, but they remain physically extreme. Climbers may spend an exceptionally long period in the death zone while transitioning between the two mountains.

🧊 The Normal Route

The standard Lhotse route begins exactly like the southern route on Everest.

Climbers enter the Khumbu Icefall above Everest Base Camp and negotiate its constantly changing maze of crevasses, seracs, and moving glacier ice.

They then cross the Western Cwm, the broad glacial valley enclosed by Everest, Lhotse, and Nuptse.

Above the cwm, the route climbs the steep Lhotse Face, normally using fixed ropes.

Everest climbers eventually traverse toward the Geneva Spur and South Col.

Lhotse climbers separate from them and continue toward the upper west face.

The final route enters the narrow Reiss Couloir, named for first ascender Ernst Reiss, before climbing the summit pyramid.

🧗 The Reiss Couloir

The Reiss Couloir is one of the defining features of the Lhotse normal route.

The gully cuts steeply through the upper west face and channels climbers toward the summit ridge.

Its snow and ice conditions vary substantially from year to year. Hard blue ice can make climbing exhausting, while deep snow can increase avalanche danger and slow progress.

Rock sections interrupt the couloir, particularly high on the route. At more than 8,000 meters, even relatively moderate mixed climbing becomes extremely demanding.

The original first ascenders required pitons to overcome sections where the couloir narrowed and steepened.

Modern fixed ropes simplify some technical difficulties but do not reduce the altitude.

The final summit is also much smaller and more exposed than the broad upper terrain of mountains such as Cho Oyu.

🧊 The Khumbu Icefall

Lhotse climbers using the normal route must cross the Khumbu Icefall, just as Everest climbers do.

The icefall descends from the Western Cwm toward Everest Base Camp and is constantly moving downhill.

This movement opens and closes enormous crevasses, tilts blocks of ice, and destabilizes seracs.

Routes through the icefall must therefore be re-established regularly.

Ladders, fixed ropes, and carefully chosen passages reduce but never eliminate the danger.

For Lhotse climbers, it is somewhat paradoxical that one of the mountain’s most serious objective hazards lies far below the summit.

After spending weeks repeatedly moving through the icefall during acclimatization, climbers still face another 2,000 vertical meters of increasingly serious terrain above the Western Cwm.

🌄 The Western Cwm

The Western Cwm is a broad glacial valley lying between Everest, Lhotse, and Nuptse.

The Welsh word cwm means valley or cirque, and the name became established through British Everest exploration.

The cwm looks relatively flat from photographs, but its elevation rises from roughly 6,000 toward 6,800 meters.

It can also become surprisingly warm when sunlight reflects from the surrounding snow-covered walls, despite its extreme altitude.

Lhotse’s west face dominates the eastern side of the valley.

From here, the scale of the mountain becomes particularly obvious. Climbers can see the enormous face they must ascend while the South Col and Everest rise farther north.

The Western Cwm therefore serves as the geographical meeting point of three of the world’s most famous mountains: Everest, Lhotse, and Nuptse.

🧱 Lhotse’s West Face

The west face is sometimes overshadowed in climbing literature by the far harder south face, but it is an enormous wall in its own right.

The normal route climbs through its northern portion.

From the Western Cwm, the face rises roughly 1,500 meters toward the upper summit terrain.

Hard blue ice frequently covers sections of the wall, creating exhausting front-point climbing in crampons. Fixed ropes are standard on modern expeditions.

Because the face is shared with the approach toward Everest’s South Col, it can become heavily trafficked during favorable summit windows.

This distinguishes modern Lhotse from its early history. For decades after the 1956 first ascent, very few climbers attempted the summit.

Today the lower portion of the route may contain hundreds of Everest and Lhotse climbers during peak spring periods.

⚠️ Avalanches, Ice, and Rockfall

Lhotse presents several types of objective danger depending on the route.

The Khumbu Icefall exposes normal-route climbers to collapsing seracs and crevasses. The Lhotse Face presents hazards from falling ice, equipment, and occasional avalanches.

The upper couloir can funnel snow and debris directly toward climbers.

On the south face, the dangers become much greater. Huge snowfields and seracs hang above steep climbing terrain, while rockfall can sweep routes as temperatures rise.

Strong Himalayan winds add another layer of risk. Lhotse’s summit ridge is exceptionally exposed, and many south-face attempts failed not because climbers lacked technical ability but because winds became impossible during the final hundreds of meters.

Route familiarity cannot eliminate any of these hazards.

🌦️ Climate and Weather

Lhotse lies directly within the climatic system affecting the Everest region.

The South Asian monsoon brings heavy summer precipitation to the southern Himalayas. Lower valleys receive rain while enormous quantities of snow fall at altitude.

Most expeditions therefore climb during spring, before the monsoon begins in earnest.

Autumn is another potential climbing season after summer precipitation decreases, although the mountain may retain substantial snow from the monsoon.

Winter is much colder and windier. The strong jet-stream winds that frequently cross the Everest massif can make exposed ridges nearly impossible to climb.

The first winter ascent by Krzysztof Wielicki demonstrates that Lhotse can be climbed during this period, but relatively few climbers have repeated the achievement.

🫁 The Death Zone

Lhotse rises more than 500 meters above the conventional death-zone boundary.

Above roughly 8,000 meters, humans cannot fully acclimatize because atmospheric oxygen pressure is too low to sustain normal bodily function.

Climbers gradually weaken while remaining at these elevations. Digestion becomes difficult, sleep deteriorates, dehydration becomes increasingly likely, and judgment can become impaired.

These problems matter particularly on Lhotse because the final route is relatively technical.

A climber near 8,400 meters must still negotiate steep snow, ice, and rock rather than simply walk across an easy plateau.

Supplemental oxygen can reduce some physiological stress, and many modern expeditions use it on summit day. Numerous historically important ascents, however, have been completed without bottled oxygen.

🌿 Flora and Fauna

Lhotse’s summit and upper slopes are far beyond the limits of ordinary plant life, but the surrounding Sagarmatha National Park contains a surprisingly rich sequence of ecological zones.

Lower elevations support forests containing Himalayan pine, hemlock, fir, birch, juniper, oak, and rhododendron. As elevation rises, forest gives way to alpine shrubs and grasses before vegetation disappears almost entirely among the moraines and glaciers of the upper Khumbu.

The contrast between these environments occurs over a relatively short horizontal distance.

A trek beginning below Namche Bazaar passes through forest and inhabited valleys before reaching alpine tundra and, eventually, a landscape dominated almost completely by rock, snow, and glacier ice around Everest and Lhotse.

The mountain’s glaciers help feed waterways that sustain these ecosystems far below.

🐾 Wildlife

Sagarmatha National Park protects several characteristic Himalayan mammals.

Snow leopards inhabit remote high-altitude terrain, while Himalayan tahr occupy steep rocky slopes. Musk deer, red pandas, Himalayan black bears, wolves, pikas, and smaller mammals occur at appropriate elevations throughout the protected landscape.

Birdlife includes the colorful Himalayan monal, blood pheasant, yellow-billed chough, and Himalayan griffon.

Most wildlife remains thousands of meters below Lhotse’s summit, but alpine species can survive at remarkable elevations along nearby valleys and ridges.

The park’s official management documents emphasize that high-altitude ecosystems are globally important precisely because relatively few places on Earth support biological communities under such extreme conditions.

🏞️ Sagarmatha National Park

Sagarmatha National Park was established on July 19, 1976 and covers approximately 1,148 square kilometers of Nepal’s upper Khumbu.

The park ranges from about 2,845 meters at Monjo to the summit of Everest and contains numerous major mountains including Lhotse, Cho Oyu, Nuptse, Pumori, and Baruntse.

UNESCO added the park to the World Heritage List in 1979.

Its major river systems include the upper Dudh Kosi, Bhote Kosi, and Imja Khola watersheds, which are fed by glaciers including the Khumbu, Ngozumpa, Nangpa, and Imja systems.

Lhotse’s southern slopes descend toward the Imja drainage, while its western side feeds the Khumbu Glacier system.

The park protects both exceptional mountain environments and the cultural landscape of the Sherpa communities who have lived in the region for generations.

🙏 Sherpa Culture

The Khumbu is closely associated with the Sherpa people, whose communities, monasteries, trade routes, and grazing landscapes existed long before international mountaineering arrived.

Tibetan Buddhism plays a major role in the region. Monasteries including Tengboche and Pangboche, along with mani walls, chortens, prayer wheels, and prayer flags, form important elements of the cultural landscape.

Sherpa climbers have been essential to the exploration of Lhotse from its earliest expeditions.

Urkien Tsering participated in the second ascent in 1977, while generations of Sherpa climbers have subsequently established camps, fixed routes, transported supplies, guided expeditions, and completed their own major ascents.

Modern climbing on Lhotse cannot be separated from this history of high-altitude Sherpa expertise.

🥾 Seeing Lhotse Without Climbing It

Lhotse is visible from many of the most famous trekking locations in the Everest region.

From Tengboche, the mountain appears beside Everest above the upper Khumbu.

Around Dingboche and Chhukung, its immense southern side becomes more obvious.

From Kala Patthar, trekkers see the Everest–Lhotse–Nuptse complex from the west, while Gokyo Ri provides a broader view from farther away.

The conventional Everest Base Camp trek also passes directly beneath the western side of the massif.

Because Lhotse stands so close to Everest, trekkers sometimes overlook it without realizing that they are looking at the fourth-highest mountain on Earth.

Learning to distinguish its summit pyramid from Everest greatly improves understanding of the Khumbu skyline.

🪨 Geology

Lhotse formed through the collision between the Indian and Eurasian tectonic plates, the same enormous geological process responsible for the entire Himalayan chain.

India continues moving northward into Eurasia, compressing and thickening the crust.

The Everest–Lhotse massif exposes sedimentary and metamorphic rocks that were uplifted several kilometers above the environments in which they originally formed.

The summit region contains layered rocks that have been folded, faulted, and transformed through enormous geological pressures.

Glaciers subsequently carved the Western Cwm, Khumbu Valley, and surrounding cirques.

Freeze-thaw weathering continues to fracture exposed rock, while avalanches, rockfall, glacier motion, and earthquakes continually reshape the massif.

Although Lhotse appears permanent on a human timescale, its landscape remains geologically active.

🏔️ Nearby Mountains

Mount Everest rises immediately north of Lhotse to 8,848.86 meters and is its nearest higher neighbor.

Nuptse extends westward across the southern side of the Western Cwm and reaches approximately 7,864 meters.

Makalu rises farther southeast to approximately 8,485 meters and is the world’s fifth-highest mountain.

Cho Oyu stands farther northwest at 8,188 meters.

Pumori rises northwest of the Western Cwm and provides another major landmark around Everest Base Camp.

Chamlang lies farther southeast in the Makalu region.

The sheer concentration of enormous peaks makes the Lhotse–Everest area one of the highest landscapes anywhere on Earth.

🧭 Can Lhotse Be Climbed Today?

Yes. Lhotse remains open to permitted mountaineering expeditions in Nepal, and its normal route is now regularly climbed during the spring expedition season.

The existence of Everest infrastructure makes Lhotse logistically more accessible than it was during much of the 20th century. Climbers can benefit from established routes through the Khumbu Icefall, shared camps in the Western Cwm, fixed ropes on the Lhotse Face, weather forecasting, satellite communications, modern supplemental oxygen systems, and professional high-altitude support.

Once the Lhotse route separates from the Everest line, however, traffic decreases sharply and the climbing becomes steeper.

The Reiss Couloir and summit pyramid remain serious terrain above 8,000 meters.

Alternative routes such as the south face and the long summit ridge toward Lhotse Middle or Shar remain objectives for extremely experienced technical alpinists.

⭐ Why Lhotse Is Remarkable

Lhotse lives in the geographical shadow of Everest, but almost everything about the mountain argues for seeing it independently.

At 8,516 meters, it is the fourth-highest mountain on Earth. Its west face forms one of the defining walls of the Western Cwm, while its south face is among the largest and most technically famous mountain faces anywhere in the Himalayas.

Its climbing history spans nearly every major era of modern alpinism.

The Swiss first ascent in 1956 emerged from the same expedition that made the second and third ascents of Everest. The main summit then went more than two decades without another climb.

Austrians conquered Lhotse Shar in 1970. Polish and Yugoslav climbers spent much of the 1980s fighting their way progressively higher on the south face. Krzysztof Wielicki climbed Lhotse in winter on the final day of 1988.

Jerzy Kukuczka died only meters from solving the south face in 1989. Tomo Česen’s claimed solo the following year became one of climbing’s enduring controversies. Months later, Bershov and Karataev completed an undisputed direct ascent through the wall in an expedition that pushed technical climbing at 8,000 meters to extraordinary limits.

Chantal Mauduit became the first woman to summit in 1996, while Russian climbers finally solved Lhotse Middle in 2001 after years of attempts.

In the modern era, Lhotse has become more accessible through its shared infrastructure with Everest. Yet that convenience should not obscure the mountain itself. Above the route junction waits a steep summit couloir, a tiny exposed top, and an environment almost as high and physiologically severe as Everest.

The name South Peak may have begun as a geographical description of Lhotse’s relationship to its famous neighbor.

The mountain’s history has long since proved that it deserves to stand on its own.

❓ Frequently Asked Questions

How high is Lhotse?

Lhotse reaches 8,516 meters (27,940 feet) above sea level.

Is Lhotse the fourth-highest mountain in the world?

Yes. Only Mount Everest, K2, and Kangchenjunga are higher.

Where is Lhotse?

Lhotse lies on the border between Nepal and Tibet immediately south of Mount Everest.

What does Lhotse mean?

Lhotse means “South Peak” in Tibetan, referring to its location south of Everest.

Is Lhotse part of Everest?

Lhotse and Everest are closely connected by the South Col and share much of their standard climbing route, but Lhotse is recognized as a separate major mountain.

How prominent is Lhotse?

Lhotse has approximately 610 meters (2,001 feet) of topographic prominence.

How isolated is Lhotse?

Its true topographic isolation is approximately 2.42 kilometers (1.50 miles) because Everest rises immediately to the north.

Who first climbed Lhotse?

Swiss climbers Ernst Reiss and Fritz Luchsinger made the first ascent.

When was Lhotse first climbed?

They reached the summit on May 18, 1956.

Who led the first-ascent expedition?

The Swiss Everest–Lhotse expedition was led by Albert Eggler.

Did the first ascenders use supplemental oxygen?

Yes. Reiss and Luchsinger used oxygen equipment during the climb, although their supply was exhausted by the time they began descending from the summit.

What is the normal route on Lhotse?

The normal route climbs through the Khumbu Icefall and Western Cwm, ascends the Lhotse Face, separates from the Everest route high on the mountain, and finishes through the Reiss Couloir and summit pyramid.

When was Lhotse climbed for the second time?

Hans von Känel, Hermann Warth, and Urkien Tsering completed the second ascent on May 8, 1977.

What is Lhotse Shar?

Lhotse Shar is the eastern summit of the Lhotse ridge. Modern mapping places it near 8,386 meters, although historical sources commonly use approximately 8,398 meters.

Who first climbed Lhotse Shar?

Austrian climbers Josef “Sepp” Mayerl and Rolf Walter made the first ascent on May 12, 1970.

What is Lhotse Middle?

Lhotse Middle is the high central summit between Lhotse Main and Lhotse Shar. It rises to approximately 8,410–8,414 meters.

When was Lhotse Middle first climbed?

A Russian expedition completed its accepted first ascent on May 23, 2001.

Who first climbed Lhotse Middle?

Alexey Bolotov, Petr Kuznetsov, Evgeny Vinogradsky, and Sergei Timofeev formed the first summit team.

Was Lhotse Middle once the highest unclimbed summit?

Yes. Before its 2001 ascent, it was widely described as the highest unclimbed named summit in the world.

Who made the first winter ascent of Lhotse?

Polish climber Krzysztof Wielicki made the first winter ascent.

When was Lhotse first climbed in winter?

Wielicki reached the summit on December 31, 1988 without supplemental oxygen.

Who was the first woman to climb Lhotse?

French mountaineer Chantal Mauduit became the first woman to summit Lhotse on May 10, 1996.

Has Lhotse’s south face been climbed?

Yes. Tomo Česen claimed a solo ascent in April 1990, but the climb remains controversial. Sergei Bershov and Vladimir Karataev completed the first undisputed ascent of the south face on October 16, 1990.

What happened to Jerzy Kukuczka on Lhotse?

Kukuczka died on October 23, 1989 while attempting the south face. He fell while climbing the final obstacle toward the ridge at approximately 8,300 meters, and his rope broke during the fall.

Do Everest and Lhotse share the same route?

They share the route through the Khumbu Icefall, Western Cwm, and much of the Lhotse Face. High on the mountain, Everest climbers turn toward the South Col while Lhotse climbers continue toward the Reiss Couloir.

Can climbers summit Everest and Lhotse on the same expedition?

Yes. Several climbers have completed Everest–Lhotse doubles without returning to Base Camp between the two summits.

Can Lhotse still be climbed?

Yes. Lhotse remains open for permitted expeditions in Nepal, and the west-face route is regularly climbed during the spring season.

🔗 Related Articles

• Mount Everest
• Nuptse
• Makalu
• Cho Oyu
• Pumori
• Chamlang
• Gokyo Ri
• The Himalayas
• Highest Peaks of the Himalayas
• Top 30 Tallest Mountain Peaks in the World
• Mountains in Nepal: Highest Peaks, Himalayan Ranges, and Trekking Guide

📚 Sources

• Peakbagger — Lhotse
• Nepal Department of Tourism — Nepalese Mountains
• Himalayan Club — The Swiss Expedition to Everest and Lhotse, 1956
• American Alpine Club — Everest–Lhotse, 1956
• Himalayan Club — The Eight-Thousanders
• Himalayan Club — The Second Ascent of Lhotse, 1977
• American Alpine Club — Lhotse Shar, First Ascent
• Himalayan Club — Horrible, but Honourable Lhotse Shar
• American Alpine Club — Lhotse Attempt and Tragedy, 1985
• American Alpine Club — Lhotse South Face Tragedy, 1989
• Himalayan Club — Lhotse South Face Expedition, 1989
• American Alpine Club — A Look Into the Future: Lhotse’s South Face
• American Alpine Club — Lhotse South Face Direttissima
• American Alpine Club — More on Tomo Česen’s Lhotse South-Face Claim
• American Alpine Club — Winter Ascent of Lhotse
• American Alpine Club — Lhotse Middle, First Ascent
• American Alpine Club — Unraveling the Mystery of Lhotse Middle
• Guinness World Records — First Female Ascent of Lhotse
• American Alpine Club — Hilaree Nelson, 1972–2022
• Sagarmatha National Park — Official Website
• Sagarmatha National Park — Physical Features