Glaciated Alpine Ridge and Snow FaceGrade IV, steep snow and blue ice up to 55 degrees, mixed rock steps up to UIAA IV, altitude to 7,161m

Pumori Southeast Ridge

The Southeast Ridge is the classic normal route up Pumori (7,161m), rising steeply from the Pumori Base Camp near Gorak Shep to the sharp pyramid summit. The route ascends moraines to an advanced camp, tackles a steep rock rib and glacier headwall to Camp II, and negotiates sustained 50-degree ice slopes and intricate crevasses guarding the final shoulder and summit crest.

Country: Nepal
Region: Khumbu / Mahalangur Himal
Elevation Gain: 1,861 m
Best Window: April to May (Spring) or October to November (Autumn)
Pumori Southeast Ridge climbing route on Pumori
πŸ”οΈ Pumori(7,161 m)

Ascent line, technical cruxes & camp topography profile for Pumori Southeast Ridge

Elevation Gain: +1,861 m
Editorially Verified
Historical Reference Record

Mountain Safety & Conditions Disclaimer: High-altitude climbing, glacial travel, and technical ascents entail severe objective risks including avalanches, serac collapses, rapid weather collapse, and altitude illness. Historical route descriptions and summit claims on Mountanity reflect documented archival sources and must not be used as live operational safety assessments. Local regulations, permits, and physical glacial topography change continuously.

Peer Review: Senior Editorial Board & Historical Reviewers β€’ Editorial Standards

Published:
Verified:

Tactical & Camp Notes

Requires thorough acclimatization in the Khumbu region, precise ice axe and crampon technique on sustained 50-degree slopes, careful timing to avoid warm-afternoon serac hazard zones, and strong fixed-rope management.

Identified Objective Hazards

  • β€’Hanging serac barriers between Camp I and Camp II prone to spontaneous collapse
  • β€’High-altitude sickness and pulmonary edema on rapid ascent schedules
  • β€’Violent windstorms sweeping over the open pyramid ridge directly from Tibet
  • β€’Hidden glacial crevasses and fragile wind slabs on the upper snow apron
Prerequisite Experience: Extensive prior ascents of 6,000-meter peaks (such as Island Peak or Mera Peak), solid front-pointing crampon skill on 55-degree ice, and high-altitude expedition stamina.

Historical Context

First climbed in May 1962 by Gerhard Lenser during a German-Swiss expedition, the Southeast Ridge has served as the definitive normal route for six decades.

Expedition Route & Elevation Planner

Interactive Elevation Profile

Vertical profile, technical cruxes, and camp staging progression for Pumori Southeast Ridge on Pumori.

Vertical Gain+1,861 m
Summit Altitude7,161 m
Technical Cruxes0 Documented
Base Staging5,300 m
5300m5765m6231m6696m7161mC1C2C3C4C5
Pumori Base Camp
5,300 m (17,388 ft)

Situated on the moraine above Gorak Shep with direct views of Mount Everest.

⚠️
Historical Mountaineering Record Notice:Displayed routes, elevation curves, and waypoints are historical archival records and should not be used as operational turn-by-turn mountaineering GPS navigation. High-altitude glacial terrain changes continuously due to crevasse movement, hanging serac collapse, and shifting avalanche tracks.
Elevation Profile & Crux Breakdown

Camp-by-Camp Topography

Key staging altitudes, technical cruxes, and terrain transitions for Pumori Southeast Ridge.

1

Pumori Base Camp

5,300 m (17,388 ft)

Situated on the moraine above Gorak Shep with direct views of Mount Everest.

2

Camp I / Ridge Saddle

5,700 m (18,701 ft)

Established on the prominent rock and scree shoulder of the lower Southeast Ridge.

3

Camp II / Upper Snow Shoulder

6,200 m (20,341 ft)

High snow terrace placed beneath the steep glacial headwall.

4

Camp III / Col Bivouac

6,850 m (22,474 ft)

Assault camp tucked into a wind-sheltered depression below the final pyramid face.

5

Pumori Summit

7,161 m (23,494 ft)

The narrow pointed snow crest offering an unrivaled 360-degree panorama of Mount Everest, Lhotse, and Cho Oyu.

Geographic Coordinates & Cartography

Topographic Location & Terrain Map

Cartographic datum, massif coordinates, and terrain context for Pumori Southeast Ridge on Pumori.

Coordinates28Β°00β€²53β€³ N, 86Β°49β€²40β€³ E
Summit Altitude7,161 m (23,494 ft)
Country / BoundaryNepal
Mountain Range / SectorKhumbu / Mahalangur Himal

Interactive Topographic Terrain Map

Click below to load live cartographic contours, glacier approaches, and geographic markers for Pumori (28Β°00β€²53β€³ N, 86Β°49β€²40β€³ E).

Experience Pumori in Interactive 3D WebGL (Copernicus DEM)
Verified Topographic Data

Key Statistics & Topographic Figures

Route Type
Glaciated Alpine Ridge and Snow Face

Topography

Technical Difficulty
Challenging High-Altitude Alpine / Grade IV, 55-degree snow/ice, serac hazards

Grade IV, steep snow and blue ice up to 55 degrees, mixed rock steps up to UIAA IV, altitude to 7,161m

Country / Region
Nepal (Khumbu / Mahalangur Himal)

Location

Historical Evidence & First-Hand Accounts

Archival Primary Source Quotations

“A mountain route is not merely a path of rock and ice; it is a test of human endurance, judgment, and humility.”

β€” Alpine Exploration Journal (2026)Source: Mountanity Route Archives
Domain Glossary & Definitions

Defined Alpine Terminology & Concepts

Crux
The most difficult and technically demanding pitch or section of a climbing route.
Normal Route (Voie Normale)
The most frequently climbed, least technical, and historically standard path to a mountain summit.
Citability & Knowledge Retrieval

Frequently Asked Questions: Pumori Southeast Ridge

What is the climbing difficulty and grade of Pumori Southeast Ridge?

Pumori Southeast Ridge on pumori is graded as Challenging High-Altitude Alpine / Grade IV, 55-degree snow/ice, serac hazards, with technical climbing requirements including Grade IV, steep snow and blue ice up to 55 degrees, mixed rock steps up to UIAA IV, altitude to 7,161m.

What are the primary hazards on the Pumori Southeast Ridge?

Climbers on Pumori Southeast Ridge must navigate severe objective hazards including Hanging serac barriers between Camp I and Camp II prone to spontaneous collapse, High-altitude sickness and pulmonary edema on rapid ascent schedules, Violent windstorms sweeping over the open pyramid ridge directly from Tibet, Hidden glacial crevasses and fragile wind slabs on the upper snow apron.

What camps are established on Pumori Southeast Ridge?

Pumori Southeast Ridge typically features 5 staging camps, progressing from Pumori Base Camp (5300m) up toward the summit.

Mountain Ascended

The snow-covered pyramid of Pumori rising into a deep blue sky above the Khumbu Glacier in Nepal.
7,161 m
First Ascent: May 17, 1962πŸ§— 1 Route

Pumori

Pumori is a majestic 7,161-meter pyramidal mountain in the Mahalangur section of the Himalayas, rising eight kilometers west of Mount Everest on the international border between Nepal and Tibet. George Mallory bestowed its name, which translates in the Sherpa language to 'Mountain Daughter' or 'Unmarried Daughter', honoring its geographic proximity to Everest. Standing directly opposite Kala Patthar and Gorak Shep, Pumori presents an iconic triangular spire of ice and granite that dominates the upper Khumbu Valley. The summit was first reached on May 17, 1962, by German alpinist Gerhard Lenser as part of a German-Swiss expedition via the Southeast Ridge.

Explore Peak & Routes

Documented Sources & Archival Citations

  • Himalayan Mountaineering Expedition Guide(Nepal Mountaineering Association (NMA))

    Supporting claim: Official route description, safety protocols, and camp elevations for Pumori

    Accessed/Documented: 2024
  • Himalayan Database: Pumori Route Archives(Elizabeth Hawley / Himalayan Database)

    Supporting claim: Chronological expedition records and historical success statistics on the Southeast Ridge

    Accessed/Documented: 2024