Old Snowy (Alaska)

Old Snowy

Photo: Alaska Range viewed from Donnelly Dome by jcain.

🏔️ Overview

Old Snowy is a remote, glacier-covered mountain in the Delta Mountains of the eastern Alaska Range, near the Castner Glacier system in Alaska. Rising to approximately 9,700 feet (2,957 meters), the peak is part of a rugged concentration of glaciated summits east of the Delta River and Richardson Highway.

The mountain should not be confused with Old Snowy Mountain in Washington’s Goat Rocks, a completely different peak in the Cascade Range.

Old Snowy is closely associated with the Castner Glacier, one of the best-known glaciers along this section of the Richardson Highway. Unlike many mountains reached by maintained hiking trails, Old Snowy is a serious backcountry mountaineering objective. Reaching its upper slopes generally involves lengthy glacier travel, crevasse hazards, steep snow, and potentially avalanche-prone terrain.

The mountain also has an interesting place in Alaska mountaineering history. Members of the Alaska Alpine Club made the documented first ascent in March 1961, climbing the mountain from the south and reaching the summit by its south ridge.

⚡ Fast Facts

Feature	Details
Continent	North America
Country	United States
State	Alaska
Census Area	Southeast Fairbanks Census Area
Mountain Range	Delta Mountains, eastern Alaska Range
Parent Peak	Black Cap
Elevation	Approximately 9,700 ft (2,957 m); some databases list about 9,750 ft
Prominence	Approximately 1,300–1,400 ft (396–427 m), depending on elevation dataset
Isolation	Approximately 1.93 mi (3.1 km)
Nearest Higher Neighbor (NHN)	Black Cap
Coordinates	Approximately 63.4786° N, 145.3978° W
USGS Quadrangle	Mount Hayes B-3
First Documented Ascent	March 1961
Typical Terrain	Glacier, steep snow, ice, exposed alpine rock

Castner Glacier Ice Cave at mile marker 217 on Richardson Highway in Delta Junction, Alaska | Benz Travel Photography

📍 Location

Old Snowy lies in interior Alaska, within the eastern part of the Alaska Range. More specifically, it belongs to the mountainous region commonly called the Delta Mountains or Delta Range, east of the Delta River.

The summit is approximately at 63.4786° N, 145.3978° W in the Southeast Fairbanks Census Area.

This portion of the Alaska Range is considerably less visited than the great mountains surrounding Denali farther west. Nevertheless, the Delta Mountains contain an impressive collection of glaciated peaks, including Black Cap, White Princess, Little Princess, Mount Silvertip, M’Ladies Mountain, Institute Peak, and Mount Kimball.

The Richardson Highway provides comparatively convenient access to the western edge of the range, but the mountains themselves remain wild. Old Snowy’s summit is many miles from developed roads, and reaching it requires travel deep into glaciated terrain.

The Castner Glacier is one of the principal geographic features associated with the mountain. Branches and high icefields connected with the Castner Glacier provide approaches into the basins surrounding Old Snowy and neighboring peaks.

📏 Elevation & Prominence

Old Snowy’s elevation is commonly given historically as 9,700 feet (2,957 meters). This is the figure used in the American Alpine Journal’s account of the mountain’s first ascent and is also used by Peakbagger.

Other modern peak databases place the summit slightly higher. ListsOfJohn, for example, gives an elevation of approximately 9,750 feet.

This type of discrepancy is not unusual for remote Alaskan summits. Older topographic maps often relied on contours and photogrammetric measurements rather than the high-resolution elevation data available for more accessible parts of the United States.

Old Snowy’s topographic prominence is similarly dependent on the dataset used. Available peak databases place it at roughly 1,300 to 1,400 feet.

ListsOfJohn calculates a rise of about 1,400 feet, with a key saddle near 8,350 feet, and gives an isolation of approximately 1.93 miles.

Black Cap, a neighboring summit reaching roughly 9,800 feet, is identified as Old Snowy’s parent peak and nearest higher mountain.

Although Old Snowy is not among Alaska’s highest or most prominent summits, its steep glaciated surroundings give it a much more imposing appearance than its elevation alone might suggest.

Castner ice cave, a tunnel through an Alaskan glacier | Ross Ellet

🪨 Geology

Old Snowy is part of the Alaska Range, a major mountain system produced by continuing tectonic compression associated with interactions between the Pacific and North American plates.

The landscape visible today has also been profoundly modified by glaciers.

Repeated periods of glaciation excavated valleys, sharpened ridges, and created the extensive icefields surrounding the Delta Mountains. Old Snowy rises above this heavily glaciated landscape, with permanent or long-lasting snow and ice covering substantial portions of its upper terrain.

The Castner Glacier system is especially important in shaping the surrounding region. Tributary glaciers and smaller icefields occupy many of the valleys and basins between Old Snowy, Black Cap, White Princess, and their neighboring mountains.

Freeze-thaw weathering is also an important process in the Alaska Range. Water entering cracks in exposed bedrock can repeatedly freeze and expand, gradually breaking rock apart. Combined with glacial erosion and steep slopes, this process contributes to the loose and rugged terrain characteristic of many Alaska Range peaks.

🌿 Flora & Fauna

Old Snowy’s high elevations and extensive glaciation severely limit vegetation near the summit.

The upper mountain is dominated by snow, ice, exposed rock, and alpine debris. Lower non-glaciated slopes and valleys transition into alpine tundra and, eventually, the boreal environments typical of interior Alaska.

Wildlife is generally much more abundant in the lower valleys than on the heavily glaciated mountain itself.

The broader eastern Alaska Range provides habitat for animals including:

Dall sheep
Brown bears
Caribou
Moose
Snowshoe hares
Porcupines
Golden eagles and other birds

Dall sheep are particularly well adapted to mountainous terrain and occur throughout portions of the eastern Alaska Range. Bears and caribou are more commonly associated with river valleys, tundra, and less heavily glaciated terrain.

Anyone approaching Old Snowy from lower elevations should therefore follow normal Alaska backcountry precautions, including appropriate food storage and wildlife awareness.

Brown bear in arctic lupine, Alaska | Breck P. Kent

🥾 Hiking & Climbing Routes

Old Snowy is not a conventional hiking mountain. There is no maintained trail leading to its summit, and most approaches involve glacier travel.

Classic South Ridge Route

The mountain’s first documented ascent established the basic historical route.

In March 1961, eleven Alaska Alpine Club members led by Buck Wilson and Gene Wescott traveled into the Castner Glacier area. According to Wescott’s account in the American Alpine Journal, the group spent two days skiing to a base camp at approximately 7,200 feet southwest of Old Snowy.

On the third day, the climbers approached the mountain from the south.

Good snow conditions allowed them to climb using crampons, and the party ultimately reached the summit by the south ridge.

The expedition took place from March 23 to March 26, 1961.

Old Snowy Basin Approach

Modern mountaineers may approach the mountain through the glacial basin north and west of the summit, generally referred to as Old Snowy Basin.

This area is connected with the complicated network of glaciers surrounding the upper Castner Glacier. From the basin, climbers can approach Old Snowy’s western and southwestern slopes.

A prominent snow ramp provides access toward the upper mountain, although variations are possible depending on snow, ice, and crevasse conditions.

Conditions can change dramatically from year to year.

Glacier Hazards

The approach should not be underestimated simply because the mountain remains below 10,000 feet.

Potential hazards include:

Hidden crevasses
Bergschrunds
Weak snow bridges
Avalanches
Cornices
Steep snow and ice
Rockfall
Rapidly changing weather
Whiteout navigation
Difficult glacier crossings

Crevasses can be particularly deceptive when covered by spring snow.

🏔️ Field Guide Tip: Old Snowy should be treated as a technical Alaska mountaineering objective rather than a hiking summit. Parties traveling onto the glaciers should have appropriate glacier-travel equipment and know roped travel, crevasse rescue, avalanche assessment, navigation, and self-arrest techniques.

🧗 Mountaineering History

Old Snowy’s recorded climbing history is closely connected with the Alaska Alpine Club, which was founded in Fairbanks in the late 1950s.

The first documented ascent occurred during the club’s 1961 climbing season.

Eleven climbers traveled into the Castner Glacier region during spring vacation from March 23–26, 1961. Gene Wescott’s account states that the expedition was led by Wescott and Buck Wilson.

After two days of skiing to establish their 7,200-foot base camp, the team climbed from the south and followed the south ridge to the summit.

The ascent took place in favorable weather with good crampon snow.

The expedition illustrates an important characteristic of mountaineering in the Delta Mountains: although the peaks are significantly lower than giants such as Denali, accessing them can still require long glacier approaches and expedition-style travel.

The Castner Glacier area subsequently became an important climbing region for the Alaska Alpine Club. The organization established huts in the Delta Mountains to assist climbers traveling through these remote valleys.

The region has also seen tragedy. The Alaska Alpine Club records that club president Peter MacKeith died while climbing Old Snowy in April 1980. The club later renamed its Upper Canwell Glacier Hut the MacKeith Hut in his memory.

Design on ceiling of Castner Cave, an ice cave in Alaska on a winter day. | Kari Ahlers

🌤️ Best Time to Visit

There is no universally ideal season for climbing Old Snowy because conditions vary substantially from year to year.

Historically, late winter through spring has been an important mountaineering season in the Delta Mountains. Snow can provide comparatively efficient ski travel over otherwise difficult moraine and glacier terrain, while colder temperatures may improve snow bridges over crevasses.

The first ascent itself was completed in late March.

Spring can also offer long daylight hours as the season progresses, but avalanche conditions can deteriorate rapidly during warm weather.

Summer presents a different set of challenges. Retreating snow can expose crevasses and make route-finding across glaciers more complicated. Moraines can become unstable, streams grow larger, and travel across exposed ice may require additional care.

Regardless of season, climbers must be prepared for:

Sudden storms
High winds
Whiteout conditions
Freezing temperatures
Avalanche danger
Changing glacier conditions

Weather and snowpack conditions should always be evaluated immediately before an expedition.

🧭 Nearby Mountains & Attractions

Old Snowy occupies one of the most impressive clusters of mountains in the eastern Alaska Range.

Black Cap

Black Cap rises immediately south of Old Snowy and is slightly higher. Peak databases identify it as Old Snowy’s parent peak and nearest higher neighbor.

Its dark summit rocks give the mountain its distinctive name.

White Princess

One of the most recognizable mountains of the Castner Glacier region, White Princess rises farther south along the same general chain of glaciated peaks.

Its heavily snow-covered slopes and sharp summit make it one of the signature mountains of the Delta Range.

Little Princess

Little Princess stands near White Princess and Black Cap and forms part of the same impressive mountain group visible from Old Snowy.

Castner Glacier

The Castner Glacier is the dominant geographic feature west and southwest of Old Snowy.

Its lower reaches are comparatively accessible from the Richardson Highway, while its upper branches extend deep into the Alaska Range.

Mount Silvertip

Mount Silvertip is another notable Delta Mountains summit near the Castner Glacier system. It has long been a climbing objective for members of the Alaska Alpine Club.

Mount Kimball

Farther east, Mount Kimball rises to approximately 10,300 feet and is one of the most prominent mountains in this part of the Alaska Range.

Richardson Highway

The Richardson Highway follows the western side of the Delta Mountains and offers striking views into the Alaska Range.

The corridor provides access to several recreational sites and glacier approaches, although the interior mountains remain extremely remote once travelers leave the road.

Inside the Castner Glacier Ice Cave | Bui Le Manh Hung

💡 Fun Facts

Old Snowy was first documented as climbed in March 1961 by an eleven-member Alaska Alpine Club expedition.
The original ascent party used skis for much of the approach.
Their base camp was established at approximately 7,200 feet on the southwest side of the mountain.
The first ascent followed the mountain’s south ridge.
Old Snowy lies in the same Castner Glacier mountain complex as Black Cap, White Princess, and Little Princess.
Peak databases differ slightly on Old Snowy’s height, generally placing it between about 9,700 and 9,750 feet.
Black Cap is Old Snowy’s nearest higher neighbor.
Old Snowy’s summit area remains extensively covered by snow and glacial ice.
Despite its sub-10,000-foot elevation, reaching the mountain involves genuine Alaska glacier mountaineering.
The MacKeith Hut in the nearby Delta Mountains commemorates Alaska Alpine Club president Peter MacKeith, who died while climbing Old Snowy in 1980.

❓ Frequently Asked Questions

How high is Old Snowy in Alaska?

Old Snowy is approximately 9,700 feet (2,957 meters) high. Some modern peak databases give an elevation closer to 9,750 feet, reflecting differences in mapping and elevation datasets.

Where is Old Snowy?

Old Snowy is in the Delta Mountains of the eastern Alaska Range, in the Southeast Fairbanks Census Area of Alaska.

Is Old Snowy the same as Old Snowy Mountain in Washington?

No. Old Snowy, Alaska, and Old Snowy Mountain in Washington are completely separate mountains.

The Washington peak is located in the Goat Rocks region of the Cascade Range and reaches roughly 7,900 feet.

What is Old Snowy’s prominence?

Depending on the elevation dataset used, Old Snowy’s topographic prominence is approximately 1,300–1,400 feet.

What is Old Snowy’s nearest higher neighbor?

Black Cap, located nearby in the Delta Mountains, is Old Snowy’s nearest higher neighbor and parent peak.

Can you hike Old Snowy?

Old Snowy is not a conventional hiking peak. Reaching the summit normally involves remote backcountry travel and glacier mountaineering rather than a maintained hiking trail.

Who first climbed Old Snowy?

The first documented ascent was made by an eleven-member Alaska Alpine Club party in March 1961. Gene Wescott and Buck Wilson led the expedition.

What route did the first climbers use?

The 1961 expedition approached from the south and reached the summit using the south ridge.

Is there glacier travel on Old Snowy?

Yes. Old Snowy is surrounded by extensive glacial terrain, and climbing approaches can involve crevassed glaciers, snow bridges, bergschrunds, and steep snow or ice.

When is the best time to climb Old Snowy?

Late winter and spring have historically been popular for mountaineering in the Delta Mountains because snow can make ski approaches more practical. However, the safest period varies with snowpack, avalanche danger, glacier conditions, and weather.

Plants and trees in snow with mountains in the distance on a cold winter day near Castner Cave in Alaska. | Kari Ahlers

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