Marmolada

Marmolada is the highest mountain in the Dolomites, rising to 3,343 meters (10,968 feet) on the border between Trentino and Veneto in northeastern Italy. Its highest summit, Punta Penia, crowns a massive mountain unlike almost any other in the range: glaciated on the north, cut by one of the greatest rock walls in the Alps on the south, and carrying more than two kilometers of topographic prominence.
Known as the Queen of the Dolomites, Marmolada is not simply the highest point in the range. Modern LiDAR measurements give Punta Penia an elevation of approximately 3,343.1 meters, a prominence of 2,131 meters (6,991 feet), and an isolation of about 57.34 kilometers (35.63 miles). These figures place it among the most topographically dominant mountains of the Alps.
Marmolada is also home to the largest remaining glacier in the Dolomites, though the glacier is shrinking rapidly. Its retreat has transformed climbing routes, exposed World War I artifacts, and provided scientists with a highly visible measure of accelerating environmental change.
The first documented ascent of Punta Penia was completed on September 28, 1864, by Paul Grohmann with the Ampezzo guides Angelo and Fulgenzio Dimai. Since then, Marmolada has become one of the most historically important climbing mountains in Europe.
Its south face—often called the Silver Wall—rises as much as 1,000 meters and contains routes that helped redefine climbing difficulty across multiple generations. Meanwhile, its glacier became a battlefield during World War I, when Austro-Hungarian troops constructed an extraordinary network of tunnels and living quarters directly inside the ice.
Today, Marmolada remains both extraordinarily accessible and extremely serious. A cable car carries visitors from Malga Ciapela to Punta Rocca at more than 3,200 meters, while reaching nearby Punta Penia requires genuine glacier and mountaineering skills.
⚡ Fast Facts
| Feature | Details |
|---|---|
| Mountain | Marmolada |
| Highest summit | Punta Penia |
| Nickname | Queen of the Dolomites |
| Country | Italy |
| Regions | Trentino-Alto Adige/Südtirol and Veneto |
| Provinces | Trento and Belluno |
| Mountain group | Marmolada Group |
| Greater range | Dolomites / The Alps |
| Traditional elevation | 3,343 m / 10,968 ft |
| Modern LiDAR elevation | 3,343.1 m / 10,968.1 ft |
| Prominence | Approx. 2,131 m / 6,991 ft |
| Isolation | Approx. 57.34 km / 35.63 mi |
| Key saddle | Dobbiaco/Toblach area |
| Key saddle elevation | Approx. 1,212 m / 3,976 ft |
| Nearest Higher Neighbor (NHN) | Monte Nevoso / Schneebiger Nock |
| Coordinates | Approx. 46.4345° N, 11.8514° E |
| Dolomites elevation rank | 1st |
| Prominence classification | Ultra-prominent mountain |
| Nearby major summit | Antelao |
| Nearby mountain | Monte Civetta |
| Nearby group high point | Vezzana |
| Nearby summit | Tofana di Mezzo |
| Second major summit | Punta Rocca |
| Punta Rocca elevation | Approx. 3,309 m |
| Other major summit | Gran Vernel |
| Gran Vernel elevation | Approx. 3,210 m |
| Rock | Limestone, dolomite and related carbonate rocks |
| Geologic age | Primarily Triassic |
| Glacier | Marmolada Glacier |
| Glacier distinction | Largest remaining glacier in the Dolomites |
| UNESCO status | Part of The Dolomites World Heritage Site |
| UNESCO component | Marmolada |
| First ascent of Punta Penia | September 28, 1864 |
| First ascenders | Paul Grohmann, Angelo Dimai and Fulgenzio Dimai |
| Earlier Punta Rocca ascent | 1862 |
| Normal route | North side / Marmolada Glacier |
| Normal-route grade | Approx. PD− |
| Glacier equipment | Rope, crampons, ice axe, harness and helmet |
| Alternative summit route | West Ridge via ferrata |
| Summit refuge | Capanna Punta Penia |
| Summit refuge elevation | Approx. 3,340 m |
| Major southern wall | Marmolada d’Ombretta / South Face |
| South-face height | Approx. 600–1,000 m |
| Historic south-face climb | Bettega–Tomasson Route |
| Bettega–Tomasson ascent | 1901 |
| Major modern route | Via Attraverso il Pesce / Fish Route |
| World War I feature | City of Ice |
| Ice City tunnels | Approx. 12 km |
| Major recent disaster | July 3, 2022 glacier collapse |
| 2022 fatalities | 11 |
| Cable-car access | Malga Ciapela to Punta Rocca |
| 2026 summer lift season | June 12–September 27, 2026 |
Marmolada’s topographic statistics are exceptional. Its 2,131 meters of prominence make it far more independent than any of the other major peaks of the Dolomites, while its 57-kilometer isolation means a climber must travel well beyond the range before reaching higher terrain.
📍 Where Is Marmolada?
Marmolada lies near the geographic heart of the Dolomites, along the boundary between the provinces of Trento and Belluno.
The summit ridge itself also forms part of the border between Trentino-Alto Adige/Südtirol and Veneto.
Val di Fassa lies to the west and northwest.
Passo Fedaia and Lago di Fedaia lie immediately beneath the northern glacier.
Malga Ciapela sits to the east and provides access to the cable-car system.
The Val Contrin and Ombretta valleys lie south of the massif.
Nearby mountain groups include the Sella, Sassolungo, Pale di San Martino, and Monte Civetta.
From summits throughout the central Dolomites, Marmolada is often immediately identifiable by the unusually broad white glacier covering its northern side.

👑 The Queen of the Dolomites
Marmolada is traditionally known as the Regina delle Dolomiti — Queen of the Dolomites.
The title reflects far more than elevation.
The mountain combines several features no other Dolomite summit possesses on the same scale:
- Highest elevation in the range
- Largest remaining glacier
- More than 2,100 meters of prominence
- Huge south-facing climbing walls
- Extraordinary World War I history
- A long and influential mountaineering tradition
Antelao, the second-highest mountain in the Dolomites, is traditionally called the King of the Dolomites.
Together, the Queen and King provide a useful geographic contrast.
Antelao is a huge individual pyramid.
Marmolada forms a much broader high massif containing several summits, glacier-covered slopes, and a long summit crest.

🏔️ Highest Mountain in the Dolomites
Punta Penia reaches approximately 3,343 meters, making it the highest point anywhere in the Dolomites.
Some of the other major high summits include:
- Marmolada – Punta Penia — 3,343 m
- Antelao — 3,264 m
- Tofana di Mezzo — 3,244 m
- Tofana di Dentro — 3,238 m
- Tofana di Rozes — 3,225 m
- Cristallo — 3,221 m
- Monte Civetta — 3,220 m
- Sorapiss — 3,205 m
Punta Penia therefore stands nearly 80 meters above Antelao.
The difference is much larger than the tiny gaps separating many of the other high Dolomite summits.
📏 Modern LiDAR Elevation
Modern high-resolution topographic measurements refine Punta Penia’s summit to:
3,343.1 meters / 10,968.1 feet
The traditional rounded figure of 3,343 meters remains the best value for general use.
The summit stands directly along the Trentino–Veneto boundary.
It is therefore simultaneously one of the highest points of Trentino-Alto Adige and the highest natural point in Veneto and Belluno province.
📊 One of the Most Prominent Mountains in the Alps
Marmolada’s topographic prominence is approximately:
2,131 meters / 6,991 feet
That easily exceeds the 1,500-meter threshold used to define an Ultra.
It is one of the most prominent summits in the Alps.
The figure is particularly striking when compared with other famous Dolomite mountains:
| Mountain | Approx. Prominence |
|---|---|
| Marmolada | 2,131 m |
| Antelao | 1,735 m |
| Monte Civetta | 1,454 m |
| Tofana di Mezzo | 1,368 m |
| Vezzana | Approx. 1,277 m |
| Sorapiss | Approx. 1,085 m |
Marmolada therefore dominates the topographic hierarchy of the Dolomites as clearly as it dominates their elevation ranking.

🧭 The Key Saddle
Marmolada’s key saddle lies far from the summit in the Dobbiaco/Toblach area, at approximately 1,212 meters.
This may initially seem surprising.
Nearby passes such as Fedaia descend much lower than the summit, but they do not provide the decisive connection to a higher mountain within the wider Alpine topographic network.
Prominence traces the highest possible route from one summit toward higher terrain.
For Marmolada, that route remains elevated across a broad section of the eastern Alps before eventually descending to its controlling saddle.
The result is the mountain’s enormous 2,131-meter prominence.
📐 Isolation and Nearest Higher Neighbor
Marmolada’s isolation is approximately:
57.34 kilometers / 35.63 miles
That means there is no higher terrain within more than 57 kilometers.
The nearest higher summit is Monte Nevoso, also known as Schneebiger Nock, in the Rieserferner group to the north-northeast.
This distance is exceptional in a mountain range as densely packed as the Alps.
Marmolada is therefore not simply the highest point among nearby Dolomite peaks. It dominates an enormous geographic region.
🏔️ The Marmolada Massif
Marmolada is not one single pyramid.
The principal northern crest contains several important summits, including:
- Punta Penia — 3,343 m
- Punta Rocca — approx. 3,309 m
- Marmolada d’Ombretta
- Punta Serauta
- Pizzo Serauta
West of Punta Penia, the mountain continues toward:
- Gran Vernel — approx. 3,210 m
- Piccolo Vernel
- Punta Cornates
The broader Marmolada group also includes important southern mountains such as Sasso Vernale and the Cime d’Ombretta.
This complex structure makes Marmolada an entire mountain system rather than simply a single summit.

🏔️ Punta Penia
Punta Penia is the undisputed high point of Marmolada and the Dolomites.
The summit itself is comparatively small.
A cross marks the highest point.
Only a short distance away stands Capanna Punta Penia, one of the highest mountain refuges in the Dolomites.
The summit ridge offers immense views across the surrounding Alps.
Despite the nearby hut, reaching Punta Penia independently remains a mountaineering undertaking because all conventional approaches involve glacier travel, protected climbing, or serious alpine terrain.
🚠 Punta Rocca
Punta Rocca stands east of Punta Penia.
Modern detailed mapping places its natural topographic summit somewhat differently from the elevation used by the nearby cable-car infrastructure, but traditional mountain literature generally gives Punta Rocca as approximately 3,309 meters.
The Marmolada cable car rises from Malga Ciapela to the Punta Rocca area.
This makes it possible for visitors without mountaineering skills to experience an altitude of more than 3,200 meters.
The distinction is important:
the cable car does not take visitors to Punta Penia, the true summit of Marmolada.
🚠 Marmolada Cable Car
The modern Marmolada cable-car system connects:
Malga Ciapela → Banc → Serauta → Punta Rocca
Malga Ciapela lies at approximately 1,450 meters.
Serauta is close to 2,950 meters.
The upper station reaches the Punta Rocca area at roughly 3,265 meters as measured by the lift operator.
For summer 2026, the system is scheduled to operate from June 12 through September 27.
The first ascent leaves Malga Ciapela at 9:00 a.m., while the final scheduled descent from Punta Rocca is at 4:30 p.m.
Lift schedules can change because of wind, maintenance, storms, or other high-mountain conditions.
🌄 Views From Punta Rocca

The upper cable-car station provides one of the most accessible high-altitude panoramas in the Dolomites.
On clear days, visitors can see mountains including:
- Monte Civetta
- Antelao
- The Tofane
- The Sella group
- Sassolungo
- Pale di San Martino
- Gran Vernel
- Numerous Austrian Alpine summits
The glacier lies immediately below.
Visitors can therefore see one of Europe’s most dramatic examples of glacier retreat without undertaking a technical climb.

🪨 Geology of Marmolada
Although Marmolada belongs geographically to the Dolomites, its geology differs in important ways from some of the classic pale-gray tower groups elsewhere in the range.
The massif contains thick carbonate rocks deposited during the Triassic Period.
More than 200 million years ago, the region lay beneath warm tropical seas.
Marine organisms, carbonate sediment, reefs, submarine slopes, and changing sea levels created thick layers of limestone and related rock.
Later tectonic deformation uplifted these ancient marine deposits during formation of the Alps.
Erosion then sculpted the mountain into the enormous glacier-capped massif seen today.

🌊 Ancient Marine Environments
The Dolomites preserve one of the world’s best records of Triassic marine environments.
During different periods, the region contained:
- Shallow carbonate platforms
- Reef systems
- Deep marine basins
- Volcanic islands
- Lagoons
- Tidal flats
Marmolada occupied part of this complicated evolving landscape.
Sediments accumulated over millions of years.
Some formed in shallow water while others accumulated farther offshore.
Changes in sea level repeatedly transformed the environment.
The mountain’s present walls therefore contain a vertical record of landscapes that once existed beneath or beside a tropical sea.
🌋 Triassic Volcanism
The geological story of the Marmolada region also includes substantial volcanic activity.
During parts of the Middle Triassic, volcanic eruptions and intrusive activity affected the central Dolomites.
Lava, ash, and other volcanic materials interacted with existing carbonate platforms.
These contrasting rock types later responded differently to erosion.
The complex geological relationships around Marmolada, Sella, and nearby mountain groups help explain why the central Dolomites contain such an extraordinary variety of colors, ridges, cliffs, and valley forms.
🌎 Formation of the Alps
The Alpine mountain-building process began much later.
Tectonic collision compressed the ancient marine rocks.
Sedimentary layers were uplifted, fractured, folded, and faulted.
Eventually they rose thousands of meters above sea level.
Erosion immediately began dismantling the rising mountains.
Rivers cut valleys.
Rainwater entered fractures.
Freeze-thaw cycles broke rock from cliffs.
Gravity transported the debris downward.
Glaciers later transformed the landscape even more dramatically.
Marmolada’s present shape is therefore the result of both tectonic uplift and millions of years of erosion.
🧊 Marmolada Glacier
The Marmolada Glacier spreads across the northern side of the massif.
It is the largest remaining glacier in the Dolomites.
Historically, the ice covered a much larger continuous area.
Today the glacier has become thinner, smaller, and increasingly fragmented.
Its retreat is especially visible from Passo Fedaia, Viel dal Pan, and the upper cable-car stations.
Dark rock that remained hidden beneath permanent ice within living memory is now exposed across substantial sections of the mountain.

📉 How Fast Is the Glacier Shrinking?
Modern scientific research shows severe long-term loss.
A 2025 study examining Marmolada, Antelao, and Fradusta found substantial reductions in both glacier surface elevation and total volume from the 1980s through 2023.
Across the glaciers studied, average surface elevation declined by nearly 29 meters.
About one-third of that decline occurred between 2010 and 2023 alone.
Marmolada accounted for approximately 66% of the total glacier-volume loss measured across the study sites.
Researchers concluded that these Dolomite glaciers are likely to fragment further or disappear within the coming decades.

🧊 Why Marmolada Glacier Is Vulnerable
Marmolada is high by Dolomite standards, but relatively low compared with the giant glacier-covered mountains of the western Alps.
Most of its accumulation area lies at elevations increasingly affected by warm summers.
Several factors accelerate loss:
- Rising temperatures
- Reduced persistent snow cover
- Earlier seasonal melting
- More frequent summer heat events
- Dust and debris darkening the ice
- Changing snowfall
- Glacier thinning and fragmentation
Once bare ice becomes exposed, it absorbs considerably more solar energy than fresh snow.
That creates a reinforcing cycle of accelerated melt.
💥 The July 3, 2022 Glacier Collapse
On July 3, 2022, Marmolada became the site of one of the worst modern mountain disasters in Italy.
A large section of glacier detached near Punta Rocca and accelerated down the northern slope.
Ice, water, and debris swept across a mountaineering route.
Eleven people were killed, and several others were seriously injured.
The event occurred during a period of extreme heat.
Later scientific analysis estimated that more than 70,000 cubic meters of ice detached during the initial collapse.
The disaster focused international attention on changing hazards in rapidly warming glacier environments.
🔬 What Caused the Collapse?
Detailed research published after the accident identified a complicated interaction of factors.
Extremely warm conditions contributed to substantial surface melting.
Water entered the glacier through fractures and accumulated at the bed.
The affected ice rested on steeply sloping rock.
The combination reduced friction and destabilized the glacier section.
Rather than being a simple block falling from a vertical cliff, the failure involved a rapidly accelerating mass of ice moving across steep bedrock.
The event demonstrated why old assumptions about glacier stability cannot automatically be applied to rapidly changing Alpine ice.
⚠️ Access After the 2022 Collapse
Authorities established a restricted zone following the disaster.
The broad emergency “red zone” was lifted in November 2022, though officials retained an area of attention where access can still be modified if monitoring indicates increased danger.
Modern mountaineers should therefore seek current local information rather than assuming historical routes remain unchanged or unrestricted.
The glacier continues to be monitored.
Conditions can vary greatly from year to year and even within a single summer.
🧗 The Normal Route to Punta Penia
The traditional normal route climbs the northern side across the Marmolada Glacier.
The general modern line begins near Lago di Fedaia.
Since the Pian dei Fiacconi basket lift stopped operating in 2019, climbers must now gain the approach elevation on foot.
The old Rifugio Pian dei Fiacconi was also made unusable by a destructive avalanche in December 2020.
These changes have made the normal route longer and more committing than it was for many previous generations.
🥾 Approach From Fedaia
From Lago di Fedaia, climbers ascend toward the former Pian dei Fiacconi refuge area.
The approach crosses rock polished by the much larger historic glacier.
In early summer, snow may begin well below the modern ice margin.
Reaching the glacier can now take around two hours on foot.
From there, parties put on glacier equipment and rope together before continuing across the remaining ice.
The exact track must be chosen according to current crevasses and glacier conditions.
🧊 Crossing the Glacier
The glacier section requires standard glacier-travel skills.
Essential equipment typically includes:
- Harness
- Rope
- Crampons
- Ice axe
- Helmet
- Suitable mountaineering boots
Crevasses can be hidden by snow.
The glacier surface may also contain hard ice, meltwater channels, debris, and unstable areas.
The shrinking glacier means that a route described in an old guidebook may no longer cross the same terrain.
Current local knowledge is especially valuable.
🧗 Upper Via Ferrata Section
Above the glacier, the route reaches a rocky step leading toward the summit ridge.
A short via ferrata assists climbers through this section.
The equipped route was improved in the 2000s as glacier retreat exposed increasingly awkward rock between the ice and upper snow slopes.
Above the protected section, the route reaches the broad snowy or rocky upper ridge traditionally called Schiena de Mul.
The final approximately 150 vertical meters lead toward Punta Penia.
🏠 Capanna Punta Penia
Capanna Punta Penia stands close to the summit at approximately 3,340 meters.
It is often described as the highest refuge in the Dolomites.
The hut provides food and basic accommodation when open.
Its extraordinary position allows climbers to spend a night only a short distance from the highest point in the entire range.
Some guided itineraries divide the ascent into two days using the hut.
Strong climbers may complete the entire route from Fedaia and return in a single long day.

🧗 Normal-Route Difficulty
Modern guiding organizations generally classify the normal route around:
PD−
The climbing itself is not exceptionally difficult by Alpine standards.
The seriousness comes from the environment:
- Glacier travel
- Crevasses
- Rockfall
- Via ferrata terrain
- Altitude
- Rapid weather change
- Ice and hard snow
- Changing glacier conditions
- Long ascent and descent
The normal route should therefore never be treated as a conventional hike.
Independent parties need glacier-rescue and rope-management skills.
🧗 West Ridge Via Ferrata
Another classic way to reach Punta Penia is the West Ridge, or Cresta Ovest, via ferrata.
The route begins around Forcella Marmolada, at approximately 2,896 meters.
It follows the exposed western crest toward Punta Penia.
The route has a remarkable history extending back to the late nineteenth century.
The ridge line was first climbed in 1898, and the protected route was formally opened in the early twentieth century.
It is one of the oldest major via ferratas in the Dolomites.
🧗 A High-Alpine Ferrata
The West Ridge should not be judged only by the difficulty of its cables.
Reaching the ferrata can involve snow or glacier terrain.
The route climbs at high altitude.
Weather exposure is substantial.
Snow or verglas can remain on the ridge.
Many climbers combine the West Ridge with a descent over the normal glacier route, creating a complete traverse of the mountain.
That combination requires competence in both via ferrata climbing and glacier travel.
📜 Early Attempts on Marmolada
People explored Marmolada long before Punta Penia was definitively climbed.
Accounts describe parties reaching high terrain near Punta Rocca as early as the beginning of the nineteenth century.
In 1862, Paul Grohmann and Pellegrino Pellegrini reached Punta Rocca.
At the time, determining the exact highest point of the massif was not straightforward.
Grohmann eventually established that Punta Penia stood higher.
Two years later, he returned to attempt the true summit.
🏆 First Ascent of Punta Penia
On September 28, 1864, Paul Grohmann reached Punta Penia with the guides:
- Angelo Dimai
- Fulgenzio Dimai
They climbed from the northern side across the glacier.
Their general approach became the foundation of the modern normal route.
Grohmann apparently considered the climb surprisingly moderate compared with several other Dolomite peaks he had already explored.
The historical significance, however, was enormous.
The highest mountain in the Dolomites had finally been definitively climbed.
🧭 Paul Grohmann’s Extraordinary 1864 Season
The Marmolada ascent came at the end of one of the most remarkable seasons in early Dolomite mountaineering.
Grohmann had climbed Tofana di Rozes on August 29.
He reached Sorapiss on September 16.
Only twelve days later, he stood on Punta Penia.
His exploration helped transform the Dolomites from a little-known mountain region into one of Europe’s major climbing destinations.
Local Ampezzo guides were essential partners in that process.
🧱 The South Face
Marmolada’s northern glacier creates one image of the mountain.
The south face creates another entirely.
Above Val Ombretta rises an extraordinary rock wall measuring approximately 600 to 1,000 meters high and extending for several kilometers.
It is often called the Parete d’Argento — Silver Wall.
The huge slabs and vertical cliffs form one of the most important climbing arenas in the Alps.
For generations, new routes on this wall have marked advances in climbing technique and difficulty.
👩 Beatrice Tomasson and the South Face
One of the greatest breakthroughs came in 1901.
British mountaineer Beatrice Tomasson climbed the south face with the Primiero guides:
- Michele Bettega
- Bortolo Zagonel
Their route reached Punta Penia through the giant wall.
Today it is generally known as the Bettega–Tomasson Route.
The climb was an exceptional achievement for the period and one of the major milestones in early Dolomite rock climbing.
Tomasson’s role also makes Marmolada an important mountain in the history of women in alpinism.
🧗 The Bettega–Tomasson Route
The classic line climbs approximately 800–900 meters of the south face.
Modern grading places its hardest sections around UIAA IV+.
That grade is moderate by contemporary standards.
The historical achievement was anything but moderate.
The climbers had limited protection, hemp ropes, no modern climbing shoes, no detailed topo, and no established route.
They had to discover the only viable line through an immense unexplored wall while climbing it.
🧗 The Vinatzer Route
The south face became progressively more important during the twentieth century.
In 1936, Giovanni Battista Vinatzer and Ettore Castiglioni opened another landmark route.
The Vinatzer line attacked a much more direct section of the wall.
In 1969, Reinhold Messner completed a celebrated direct finish, creating what became known as the Vinatzer–Messner.
The route became another major milestone in the evolution of free climbing in the Dolomites.
🐟 The Fish Route
One of the most famous modern Marmolada climbs is Via Attraverso il Pesce — the Fish Route.
Jindřich Šustr and Igor Koller established it from August 2–4, 1981.
The route crosses roughly 900 meters of the Marmolada d’Ombretta wall.
Its famous fish-shaped rock niche gives the climb its name.
Modern free-climbing difficulty reaches approximately 7b+.
The Fish became an international benchmark for hard big-wall free climbing.
🧗 An Entire History of Rock Climbing
Few mountain faces record climbing history as clearly as Marmolada’s south wall.
Routes established during different eras show the evolution from:
- Early guided exploration
- Classical Grade IV climbing
- Grade VI mountaineering
- Aid climbing
- Free climbing
- Modern high-grade big-wall routes
Names associated with the wall include Beatrice Tomasson, Michele Bettega, Bortolo Zagonel, Giovanni Battista Vinatzer, Reinhold Messner, Heinz Mariacher, Maurizio Zanolla “Manolo,” Igor Koller, and many others.
For serious climbers, the south face is effectively an open-air museum of Alpine climbing history.
⚔️ Marmolada During World War I
Marmolada became a battlefield when Italy entered World War I against Austria-Hungary in 1915.
The frontline ran directly through the high Dolomites.
Italian troops occupied important positions around Punta Serauta.
Austro-Hungarian soldiers controlled parts of the glacier and northern mountain.
Living and fighting at nearly 3,000 meters created extraordinary logistical problems.
Snow, ice, avalanches, cold, and storms could be as dangerous as enemy fire.
🧊 The City of Ice
The Austro-Hungarian forces created one of the most astonishing engineering projects of the entire Alpine war.
Beginning in 1916, soldiers excavated tunnels inside the Marmolada Glacier.
The network eventually extended for approximately:
12 kilometers / 7.5 miles
It became known as the City of Ice.
The underground complex included:
- Barracks
- Kitchens
- Storage rooms
- Chapels
- Medical facilities
- Communication corridors
- Supply areas
More than 200 soldiers could live within portions of the glacier complex.
🪖 Why Build Inside a Glacier?
The surface of the glacier was exposed to Italian observation and artillery from Serauta.
Moving supplies across open ice was dangerous.
The glacier itself provided a solution.
Inside the ice, troops were shielded from enemy observation.
Temperatures remained close to freezing but were more stable than the brutal weather outside.
Avalanches passed above rather than through the tunnels.
The system gradually evolved from a transport tunnel into an underground military settlement.
Nothing comparable had previously been built on such a scale within a glacier.
🧊 What Happened to the Ice City?
The City of Ice did not survive.
Glaciers are constantly moving and deforming.
After the war, tunnels collapsed as the ice flowed and melted.
Today virtually none of the original underground complex can be entered.
However, retreating ice continues to reveal wartime artifacts.
Objects recovered from the glacier have been preserved in the Marmolada Great War Museum at Serauta.
The melting glacier is therefore simultaneously destroying and revealing part of the mountain’s history.
🏛️ Marmolada Great War Museum
The Marmolada Grande Guerra 3000 m Museum stands at the Serauta cable-car station.
It documents the extraordinary experience of Italian and Austro-Hungarian soldiers fighting on the mountain.
Exhibits include:
- Weapons
- Uniforms
- Personal belongings
- Photographs
- Documents
- Recovered glacier artifacts
- Models of the Ice City
Its location at nearly 3,000 meters makes the museum especially powerful.
Visitors are standing within the same mountain environment where the events occurred.
🌍 UNESCO World Heritage Site
Marmolada forms its own component of The Dolomites UNESCO World Heritage Site.
The Marmolada system contains approximately 2,207 hectares within the World Heritage core area.
Its inclusion reflects both exceptional scenic value and geological significance.
The contrast between glacier-covered northern slopes and vertical southern rock walls creates one of the most dramatic landscapes in the Dolomites.
Marmolada also preserves important evidence of the geological evolution of the region.

🌿 Flora and Fauna
The summit and glacier support almost no conventional vegetation.
Conditions are simply too severe.
Lower elevations are much richer.
Alpine grasslands develop around Passo Fedaia and Val Ombretta.
Conifer forests cover lower slopes.
Typical wildlife of the Marmolada region includes:
- Chamois
- Marmots
- Red deer
- Roe deer
- Golden eagles
- Alpine choughs
- Ptarmigan
- Mountain hares
The enormous elevation range between valley bottoms and Punta Penia creates multiple ecological zones within a relatively compact area.

🐐 Chamois
Chamois are particularly well adapted to Marmolada’s rocky terrain.
They can move across steep cliffs and scree with remarkable ease.
Their hooves combine hard edges with softer inner pads, providing grip on both rock and grass.
Animals move between elevations as seasons change.
Summer may take them high onto rocky slopes.
Winter often pushes them toward lower or sunnier terrain where food remains accessible.
Disturbing wildlife during winter can force animals to spend energy they cannot easily replace.
🦅 Golden Eagles
Golden eagles range across the central Dolomites.
Marmolada provides enormous areas of cliff and open alpine habitat.
Thermal currents develop when sunlight warms the mountain’s rock walls.
These rising air masses allow eagles to soar efficiently for long distances.
From viewpoints such as Passo Fedaia and Viel dal Pan, patient observers may occasionally see large raptors circling against the summit or glacier.
🌄 Enrosadira
Marmolada displays spectacular enrosadira.
At sunrise and sunset, the pale rock can glow yellow, orange, rose, red, and purple.
Snow and glacier ice intensify the effect.
The broad summit may remain illuminated long after valleys have entered shadow.
The phenomenon is especially striking from:
- Passo Fedaia
- Viel dal Pan
- Arabba
- Passo Pordoi
- Val di Fassa
The changing evening light reinforces Marmolada’s identity as the Queen of the Dolomites.
🏔️ Marmolada and Antelao
Antelao is the second-highest mountain in the Dolomites at approximately 3,264 meters.
It is nearly 80 meters lower than Marmolada.
Antelao has roughly 1,735 meters of prominence.
Marmolada exceeds 2,100 meters.
Their forms differ dramatically.
Antelao rises as a relatively isolated pyramid.
Marmolada is a broad high massif containing multiple summits and a large glacier.
Their traditional titles—King and Queen—remain one of the best-known pairings in Dolomite geography.
🏔️ Marmolada and Monte Civetta
Monte Civetta rises east of Marmolada to approximately 3,220 meters.
Higher terrain for Civetta is first reached on the Marmolada massif.
The two mountains are among the most prominent in the Dolomites.
Civetta is famous for its enormous northwest Wall of Walls.
Marmolada answers with the equally legendary Silver Wall on its southern side.
Together, they form one of the greatest concentrations of historic big-wall climbing in Europe.
🏔️ Marmolada and Tofana di Mezzo
Tofana di Mezzo reaches approximately 3,244 meters.
It is traditionally the third-highest summit in the Dolomites.
Marmolada stands about 100 meters higher.
Both mountains have cable-car access reaching extraordinary altitudes.
Neither cable car, however, should be confused with the actual traditional mountaineering route to the highest summit.
The comparison shows how modern infrastructure and genuine high-mountain terrain can exist side by side in the Dolomites.
🏔️ Marmolada and Vezzana
Vezzana is the highest mountain in the Pale di San Martino at approximately 3,192–3,193 meters.
Marmolada is its broader topographic parent and provides the first substantially higher terrain north of the Pale.
The two groups look dramatically different.
The Pale contain huge plateaus and isolated rock towers.
Marmolada combines a broad glacier-covered north slope with a gigantic southern rock wall.
Both are among the most important landscapes within the UNESCO Dolomites.
🏔️ Marmolada and the Sella Group
The Sella massif rises immediately north of Marmolada.
Peaks including Piz Boè and Sass Pordoi belong to its broad plateau-like mountain system.
Marmolada rises substantially higher.
From Sass Pordoi and Passo Pordoi, the Queen of the Dolomites dominates the southern horizon.
The view is especially valuable because the broad northern glacier is fully visible across the intervening valley.
🏔️ Marmolada and Sassolungo
The Langkofel, or Sassolungo, group lies northwest of Marmolada.
Its narrow towers provide an extraordinary visual contrast with Marmolada’s broad summit.
Both mountains belong to the central Dolomites but represent completely different styles of mountain architecture.
Sassolungo is characterized by towers and deep notches.
Marmolada resembles an elevated fortress topped by ice.
The shared Triassic geological history produced remarkably different modern forms.

❓ Frequently Asked Questions
How high is Marmolada?
Marmolada’s highest summit, Punta Penia, reaches approximately 3,343 meters (10,968 feet).
Modern LiDAR gives about 3,343.1 meters.
Is Marmolada the highest mountain in the Dolomites?
Yes.
Marmolada is the highest mountain in the Dolomites.
Antelao is second.
What is Marmolada’s prominence?
Its modern topographic prominence is approximately 2,131 meters (6,991 feet).
What is its isolation?
Approximately 57.34 kilometers (35.63 miles).
What is the Nearest Higher Neighbor?
Peakbagger identifies Monte Nevoso / Schneebiger Nock to the north-northeast as the nearest higher summit.
Is Marmolada an Ultra?
Yes.
With more than 2,100 meters of prominence, Marmolada easily exceeds the 1,500-meter threshold used for an ultra-prominent mountain.
Who first climbed Marmolada?
Paul Grohmann, Angelo Dimai, and Fulgenzio Dimai made the first documented ascent of Punta Penia on September 28, 1864.
Grohmann and Pellegrino Pellegrini had already reached Punta Rocca in 1862.
Does Marmolada still have a glacier?
Yes.
The Marmolada Glacier is still the largest glacier in the Dolomites, but it is shrinking rapidly and is expected to fragment or disappear within the coming decades.
What happened on Marmolada in 2022?
On July 3, 2022, a large glacier section collapsed near Punta Rocca.
The resulting ice-and-debris avalanche killed 11 people.
Can you take a cable car to the summit?
The cable car reaches Punta Rocca, not Punta Penia.
Reaching the true summit at Punta Penia requires mountaineering.
How difficult is the normal route?
The north-side glacier route is commonly rated around PD−.
It requires glacier equipment and the ability to travel roped across crevassed ice.
Is Capanna Punta Penia really on the summit?
The small refuge stands at approximately 3,340 meters, only a few meters below Punta Penia.
It is among the highest refuges in the Dolomites.
🌄 Why Marmolada Stands Out
Marmolada sits at the top of the Dolomite hierarchy in almost every meaningful way.
At 3,343 meters, Punta Penia is the highest summit in the range.
Its 2,131 meters of prominence make it the most topographically dominant major mountain in the Dolomites, and its 57.34 kilometers of isolation show just how far a traveler must go before finding higher terrain.
Yet numbers only begin to explain Marmolada.
Its northern side carries the largest surviving glacier in the Dolomites. That glacier once spread much farther across the mountain but is now thinning and retreating at a remarkable rate. A 2025 scientific study showed that Marmolada alone accounted for roughly two-thirds of the total volume loss recorded among several major Dolomite glaciers studied over recent decades.
The consequences are visible.
Routes are changing. Rock is emerging from beneath ice. World War I objects reappear after a century of burial. In July 2022, an enormous glacier collapse killed 11 people and demonstrated how rapidly changing conditions can create new high-mountain hazards.
Its human history reaches far beyond that tragedy.
Paul Grohmann, Angelo Dimai, and Fulgenzio Dimai reached Punta Penia in 1864. Beatrice Tomasson, Michele Bettega, and Bortolo Zagonel climbed the enormous south wall in 1901. Later generations transformed the Silver Wall into one of the world’s great laboratories of rock climbing, eventually producing routes such as the Vinatzer–Messner and legendary Fish Route.
During World War I, soldiers transformed the glacier itself into a military installation. Austro-Hungarian troops excavated approximately 12 kilometers of tunnels through the ice, creating the extraordinary City of Ice while Italian forces occupied the rocks around Serauta.
Modern Marmolada therefore contains several mountains at once.
It is a glacier mountain.
It is one of Europe’s great rock-climbing mountains.
It is a battlefield preserved in ice.
It is a major scientific site for studying climate change.
It is an accessible panoramic destination reached by cable car.
And Punta Penia remains a genuine mountaineering summit where glacier travel, weather, altitude, crevasses, rockfall, and rapidly changing conditions demand real skill.
For anyone exploring the mountains of Italy, Marmolada truly deserves its title Queen of the Dolomites—a mountain where exceptional topography, disappearing ice, Triassic geology, mountaineering history, wartime archaeology, and extraordinary Alpine scenery converge at the highest point of the entire range.
🔗 Related Articles
- Antelao
- Monte Civetta
- Tofana di Mezzo
- Tofana di Dentro
- Tofana di Rozes
- Vezzana
- Piz Boè
- Sass Pordoi
- Langkofel
- Cristallo
- Sorapiss
- Mountains in Italy
📚 Sources
- Peakbagger — Marmolada
- Treccani — Marmolada
- Dolomites UNESCO — Marmolada
- UNESCO World Heritage Centre — The Dolomites
- CNR — The Glaciers of the Dolomites Are Disappearing
- Guide Alpine Cortina — Marmolada Normal Route
- Val di Fassa — Rifugio Castiglioni Marmolada
- Funivie Marmolada — Opening & Prices
- Funivie Marmolada — Marmolada Cable Car
- Marmolada Grande Guerra — Museum of the Great War
- Marmolada Grande Guerra — The Ice City
- Province of Trento — Marmolada Access After the 2022 Collapse
- PlanetMountain — Marmolada South Face
- PlanetMountain — The Fish Route
- Dolomiti.it — Marmolada: Queen of the Dolomites
