Last updated September 23, 2026
Nanda Devi Climb Guide: Main Summit Closure, Historic Route & Nanda Devi East
Nanda Devi rises to about 7,816 metres in Uttarakhand, making it India’s second-highest mountain and the highest major summit located entirely inside the country. But the most important fact for climbers is simpler: the main summit sits inside a protected Sanctuary where normal mountaineering has been banned since 1983. Nanda Devi East is a separate technical expedition objective and remains the practical climbing question today.
Can You Climb Nanda Devi?
Not the 7,816 m main summit under normal expedition access. Nanda Devi lies inside Nanda Devi National Park, where mountaineering and adventure activities have been banned since 1983 to protect the Sanctuary’s fragile high-altitude ecosystem. Climbers researching a legal Nanda Devi objective should distinguish the closed main summit from Nanda Devi East, 7,434 m, which the Indian Mountaineering Foundation currently includes in its Open Peaks system. Nanda Devi East remains a serious technical Himalayan expedition—not an alternative trekking summit.
Two Summits, One Sanctuary—and Two Very Different Access Rules
The mountain is often discussed as one objective, but modern planning requires separating Nanda Devi Main from Nanda Devi East. The main summit is protected inside the closed Sanctuary. The East summit is approached from Kumaon and operates under a different expedition framework.
Nanda Devi Main Is Closed to Normal Mountaineering
This is not a temporary weather closure or a permit quota that can be solved by booking earlier. The protected status of the Sanctuary changes the entire planning question.
UNESCO’s current World Heritage documentation states that mountaineering and adventure-based activities inside Nanda Devi National Park have been banned since 1983. The restriction followed environmental degradation and garbage accumulation associated with earlier use of the Sanctuary.
Nanda Devi · 7,816 m
The historic summit climbed in 1936 lies inside the protected inner mountain wilderness. It is not part of the normal IMF open-peak expedition system.
Planning status: protected / closedNanda Devi East · 7,434 m
The eastern summit is approached from the Kumaon side rather than through the closed inner Sanctuary. IMF currently includes Nanda Devi East among its open peaks.
Planning status: expedition application requiredNanda Devi National Park
The park forms part of the UNESCO-listed Nanda Devi and Valley of Flowers National Parks and is intentionally managed with extremely low human pressure.
Priority: conservation before access
Nanda Devi Main vs Nanda Devi East
The shared name causes one of the biggest planning mistakes around the mountain. Elevation, access, route history and present legal status are different.
| Feature | Nanda Devi Main | Nanda Devi East |
|---|---|---|
| Elevation | About 7,816 m / 25,643 ft | 7,434 m / 24,390 ft |
| Current climbing status | Closed to normal mountaineering | Listed by IMF as an Open Peak |
| Primary geographic side | Inner Nanda Devi Sanctuary | Kumaon / eastern approach |
| Historic route | South Ridge | South Ridge via Longstaff Col |
| First ascent | Tilman & Odell · 1936 | Bujak & Klarner · 1939 |
| Modern trip type | Historical and conservation research | Technical Himalayan expedition |
| Technical character | High-altitude rock, snow and ice | Long technical ridge, snow, ice, rock and cornices |
Always verify the current expedition list and permission process directly with the Indian Mountaineering Foundation before committing money or travel arrangements.
Nanda Devi Map: Sanctuary, Main Summit & Eastern Approach
Nanda Devi rises behind a ring of high mountains that forms the Sanctuary. The geography explains both the mountain’s history and why modern access cannot be treated like a normal Himalayan base-camp trek.
A Mountain Hidden Behind a Mountain Wall
The isolation of Nanda Devi is one reason its climbing history developed so differently from many other high Himalayan peaks.
Map for regional orientation only. It is not an expedition route map or navigation tool.
Nanda Devi Is Protected Because Its Isolation Is Part of Its Value
The circle of peaks, glaciers and deep river gorges surrounding Nanda Devi once made the mountain extraordinarily difficult even to reach. Today that same landscape is protected as one of the most intact high-altitude wilderness areas in the western Himalaya.
How the Main Summit Was Climbed in 1936
The South Ridge remains central to Nanda Devi’s climbing history, but describing it does not imply that climbers can currently obtain ordinary access to repeat it.
First, Climbers Had to Enter the Sanctuary
Before anyone could seriously attempt Nanda Devi, climbers had to solve the approach. Eric Shipton and H.W. Tilman entered the Inner Sanctuary in 1934 after finding a way through the Rishi Ganga gorge.
During that exploration they reconnoitred the mountain’s South Ridge and concluded that it offered the practical route to the summit.
The 1936 South Ridge Expedition
The successful British-American expedition used the South Ridge discovered during the earlier reconnaissance. At the time, no mountain of comparable height had been successfully climbed.
Tilman and Noel Odell left their high bivouac on August 29 and reached the summit that afternoon. The climb combined major altitude with steep snow, ice and rock at a level that pushed Himalayan climbing beyond previous successful summits.
Why the Historical Route Still Matters
The South Ridge is useful today as climbing history, not as a normal itinerary. Understanding the route explains why the first ascent was such a major milestone and why Nanda Devi remains important even though most modern climbers will never stand on the main summit.
Nanda Devi East: The Summit Climbers Can Actually Research
Nanda Devi East should never be treated as a lesser or easy version of the main summit. Its classic South Ridge is one of the historically significant technical climbs of the Indian Himalaya.
South Ridge via Longstaff Col
The classic Nanda Devi East route approaches from the eastern side through Kumaon rather than entering the closed Inner Sanctuary.
Historically, expeditions have approached from the Munsiyari area, moved through the Gori Ganga and Lawan valleys and established a base below the mountain before climbing toward Longstaff Col.
Above the col, the South Ridge becomes the defining obstacle: long, exposed and technically demanding, with rock, snow, ice, strong wind and corniced ridge terrain.
- Major expedition altitude above 7,400 metres.
- Technical snow, ice and mixed climbing.
- Long, complex ridge terrain.
- Serious cornice and avalanche considerations.
- Multi-camp expedition logistics.
- Remote rescue and evacuation environment.
A Route That Was Exceptional Before World War II
The 1939 first ascent of Nanda Devi East deserves to be understood separately from the better-known 1936 ascent of the main summit.
Polish First Ascent
Jakub Bujak and Janusz Klarner reached the summit via the South Ridge during the first Polish Himalayan expedition.
Longstaff Col → South Ridge
The route uses Longstaff Col to gain the long southern ridge, then follows increasingly complex high-altitude terrain toward the 7,434 m summit.
A Himalayan Technical Benchmark
The Himalayan Club has described the 1939 ascent as one of the hardest Himalayan climbs achieved before World War II.
Two Summits Separated by More Than Elevation
This 1939 photograph looks from Nanda Devi East toward the main summit. Modern access rules mean the two peaks now occupy completely different places in an expedition plan: the East summit remains a mountaineering objective, while the main summit is protected inside the closed Sanctuary.
Nanda Devi East Requires an Expedition Application—not Just a Trek Permit
The Indian Mountaineering Foundation is India’s national mountaineering authority and operates the expedition application system for peaks under its jurisdiction.
Verify the Current Open-Peak Listing
Start by confirming that Nanda Devi East remains available in the IMF system for the dates and expedition structure you are considering.
Use the IMF Application Portal
The IMF process requires an account, expedition profile, team creation and a formal expedition application rather than a casual online trekking reservation.
Confirm Every Additional Permission
Forest, state, security, protected-area and local access requirements can change. Do not assume IMF peak availability is the only approval needed.
Being able to apply for the East summit does not open the Inner Sanctuary or create normal climbing access to the 7,816 m main summit.
When Do Expeditions Attempt Nanda Devi East?
The main summit has no normal climbing season because normal mountaineering remains closed. For Nanda Devi East, expedition timing revolves around the Himalayan pre-monsoon and post-monsoon weather patterns.
Early Approach
Useful for acclimatization and approach planning on some Himalayan expeditions, but snowpack and winter conditions may remain substantial at altitude.
Pre-Monsoon
A traditional Himalayan expedition window before the full summer monsoon. Snow stability, avalanche conditions and temperature still need route-specific evaluation.
Monsoon
Heavy precipitation and unstable weather can make the Kumaon Himalaya exceptionally difficult, although historical ascents and attempts have occurred near the monsoon period.
Post-Monsoon
Historically another expedition period, with potentially clearer weather but colder conditions, fresh snow and shorter daylight as autumn advances.
A 7,434 m technical ridge requires a usable weather cycle, safe snow conditions, sufficient acclimatization and enough time for a remote expedition. Treat season as a planning framework, not a promise.
What Experience Does Nanda Devi East Demand?
This is an experienced mountaineer’s objective. Its difficulty comes from the combination of altitude, technical ridge climbing, remoteness and multi-week expedition systems.
Previous 6,000–7,000 m Experience
A climber should already understand how his or her body responds to major altitude rather than discovering that above the high camps of Nanda Devi East.
Goal: proven high-altitude systemsConfident Crampon Technique
Steep snow, ice and exposed ridge terrain require secure movement in crampons and practiced use of an axe in consequential terrain.
Goal: efficiency under loadTechnical Alpine Movement
The South Ridge is not a walk-up expedition route. Climbers need experience combining rock, snow and ice skills at altitude.
Goal: technical competenceHigh-Camp Efficiency
Fixed lines, anchors, belays and load movement become harder as altitude increases. Rope systems need to be familiar before the expedition.
Goal: practiced systemsMulti-Week Expedition Fitness
The challenge includes repeated load carries, camp rotations and recovery at altitude—not only one summit push.
Goal: durabilityRemote Himalayan Decision-Making
Weather, avalanche exposure, ridge cornices and limited rescue options make conservative expedition judgment as important as technical ability.
Goal: preserve marginWhat Should an Experienced Climber Do Instead?
Nanda Devi does not need to be replaced by a mountain of identical height. The more useful question is which Indian Himalayan objective develops the skill or expedition experience you wanted from Nanda Devi.
Kamet · 7,756 m
A major high-altitude expedition in Uttarakhand with a long climbing history and more conventional modern expedition access than Nanda Devi Main.
Changabang · 6,864 m
A dramatically technical objective where steep climbing, route choice and serious Alpine-style skills matter more than maximum altitude.
Shivling · 6,543 m
A world-famous technical peak above the Gangotri Glacier that offers steep Himalayan climbing without pretending to be a substitute for Nanda Devi.
Why Nanda Devi Became One of Himalayan Mountaineering’s Defining Mountains
1934: Eric Shipton and H.W. Tilman finally found a practical passage through the Rishi Ganga gorge into the Inner Sanctuary, solving an exploration problem that had frustrated earlier parties.
1936: Tilman and Noel Odell reached the main summit by the South Ridge on August 29. At 7,816 m, Nanda Devi became the highest mountain yet successfully climbed.
1939: Jakub Bujak and Janusz Klarner made the first ascent of Nanda Devi East by the South Ridge.
1983: mountaineering and adventure activity inside Nanda Devi National Park was banned after environmental damage associated with earlier activity.
1988: Nanda Devi National Park was inscribed on UNESCO’s World Heritage List. The World Heritage property was expanded in 2005 to include Valley of Flowers National Park.
Verify These Sources Before Planning Anything Around Nanda Devi
The main summit’s protected status, Nanda Devi East expedition availability and local access should all be checked against current official information rather than copied from old expedition reports.
Nanda Devi FAQ
The biggest source of confusion is the difference between the protected main summit and Nanda Devi East. Start there before researching routes or permits.
Can you climb Nanda Devi today?
The 7,816 m main summit is not open to normal mountaineering. UNESCO states that mountaineering and adventure activity inside Nanda Devi National Park has been banned since 1983. Nanda Devi East is a separate summit and is currently included on the IMF Open Peaks list.
Why is Nanda Devi closed?
The Sanctuary experienced environmental degradation from earlier climbing and trekking activity, including garbage accumulation. The 1983 ban sharply reduced human pressure and the park is now managed as a highly protected wilderness.
How high is Nanda Devi?
The main summit is commonly listed as 7,816 m, while UNESCO uses 7,817 m. The one-metre difference reflects published elevation conventions rather than two different summits.
Is Nanda Devi the highest mountain in India?
Kangchenjunga is higher, but it stands on the India–Nepal border. Nanda Devi is the highest major mountain located entirely within India.
Who first climbed Nanda Devi?
H.W. Tilman and Noel Odell reached the main summit on August 29, 1936. Their expedition used the South Ridge that Tilman and Eric Shipton had reconnoitred after entering the Sanctuary in 1934.
Is Nanda Devi East the same mountain?
It is part of the same massif but is a separate 7,434 m summit east of the 7,816 m main peak. Its modern access situation is different and it should be researched as its own expedition objective.
Can you climb Nanda Devi East?
The Indian Mountaineering Foundation currently includes Nanda Devi East in its Open Peaks system. That does not eliminate the need for expedition approval or any additional current local, forest, security or access permissions.
What is the normal route on Nanda Devi East?
The classic route follows the South Ridge from Longstaff Col. It was first climbed by the Polish expedition in 1939 and remains a serious technical high-altitude ridge involving rock, snow, ice and corniced terrain.
What is the best season for Nanda Devi East?
Traditional expedition periods are the Himalayan pre-monsoon and post-monsoon windows. Exact timing should be based on current route condition, forecast, snowpack, permit dates and operator guidance rather than a fixed month.
Can tourists enter Nanda Devi National Park?
Limited, regulated community-based ecotourism has been allowed in portions of the protected landscape, but this should not be confused with open access to the Inner Sanctuary or permission to climb Nanda Devi Main. Current visitor rules should be confirmed with the responsible state authorities.
Place Nanda Devi Inside the Indian & Greater Himalayan System
Use the main mountain architecture first, then move through the regional and planning clusters that explain where Nanda Devi sits—and which legal climbing objectives remain available.
Explore All Mountains
Return to the main Global Summit Guide mountain architecture and browse the complete 500-peak system.
Cluster 1 · IndiaIndian Himalaya & Ladakh
Compare Garhwal, Kumaon, Ladakh, Himachal and Sikkim along with India’s permit and access system.
Cluster 2 · AsiaBest Mountains in Asia
Place Nanda Devi within the larger Asian mountain landscape from trekking objectives to major technical expeditions.
Cluster 3 · CollectionsMountain Collections
Browse regional and challenge-based mountain systems rather than choosing a summit in isolation.
Cluster 4 · RoutesMountain Route Comparisons
Understand how access, objective hazards, technical terrain and route choice change an expedition.
Cluster 5 · WeatherMountain Weather for Climbers
Build a framework for wind, precipitation, freezing level, storms and usable summit windows.
Deep recovery 1 · Indian HimalayaKamet Climbing Guide
Research a 7,756 m Uttarakhand expedition where major altitude and multi-camp Himalayan systems remain part of an attainable planning pathway.
Deep recovery 2 · GarhwalChangabang Climbing Guide
Explore one of the technical peaks on the wider Nanda Devi Sanctuary rim and a major name in Himalayan big-wall history.
Deep recovery 3 · GarhwalShivling Climbing Guide
Compare Nanda Devi with another celebrated Indian Himalayan mountain where steep technical climbing defines the objective.
Respect the Closure. Understand the Mountain. Choose the Legal Objective.
Nanda Devi’s 7,816 m main summit remains one of the great achievements of Himalayan climbing history, but modern planning starts by respecting the Sanctuary that now protects it. Climbers seeking a real expedition in the massif should verify Nanda Devi East with the Indian Mountaineering Foundation—or choose another open Indian Himalayan peak whose access matches the experience they want to build.
Was this helpful?
🏔Related peaks nearby
🧭Explore & compare
Global Summit Guide is an independent mountaineering resource founded in 2026. The team combines first-hand trekking and climbing experience with in-depth research and professional health and nutrition review to help climbers choose objectives, prepare properly, and stay safe.
Health, altitude, and nutrition content is reviewed by Taylor Ludlow (Registered Nurse) and Brigg Hoopes (Nutritionist).
What We Don't Know Yet
Mountain information changes quickly. This box explains the limits of what this page can responsibly promise.
- Route conditions, trailhead access, crevasse exposure, stream crossings, and rescue access may vary from published planning guidance.
- Visa, passport, vaccination, border, insurance, and local transportation rules may change before your trip.
- Route conditions, snowpack, closures, and weather can change quickly after this page is updated.
- Permit rules, fees, quotas, and reservation windows may change between review cycles.
- Operator availability, pricing, guide ratios, and cancellation terms can change by season.
Verify current conditions with official land managers, guide services, local forecasts, and current route reports before booking or climbing.
Mountaineering, rock and ice climbing, glacier travel, and high-altitude activity are inherently dangerous and can result in serious injury or death. The information on Global Summit Guide is provided for general informational and educational purposes only and is not a substitute for professional instruction, qualified guiding, proper equipment, or your own judgment and experience.
Route conditions, weather, snowpack, permits, regulations, and hazards change constantly and may differ from what is described here. Details may be incomplete, out of date, or contain errors. Always verify current information with local authorities, certified guides, and official sources before making any decision in the mountains.
Nothing on this site is medical, legal, or financial advice. Our fitness, acclimatization, altitude, and nutrition content is general in nature; consult a qualified physician before beginning any strenuous exercise program or exposing yourself to high altitude.
You are solely responsible for your own safety and decisions. To the fullest extent permitted by law, Global Summit Guide and its team accept no liability for any loss, injury, damage, or expense arising from use of, or reliance on, this information. By using this site you acknowledge these risks and accept these terms.
Some links on this site may be affiliate links. If you buy through them we may earn a small commission at no extra cost to you; this never affects our recommendations.
Global Summit Guide recommendation path
Next Best Mountain to Research
Use these recommendations to continue the right planning path instead of stopping on one page.
Use current permit, weather, route, and operator information before booking or climbing.