Gasherbrum III
Gasherbrum III is a colossal 7,952-meter (26,089 ft) mountain nestled between Gasherbrum II and Gasherbrum IV in the Baltoro Muztagh of the Karakoram range. Ranking as the fifteenth-highest peak on Earth, it holds a legendary place in mountaineering history as the highest unclimbed mountain in the world until August 11, 1975.
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.
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Geographical Setting & Topography
Located on the border between Gilgit-Baltistan, Pakistan, and Xinjiang, China, directly above the South Gasherbrum Glacier.
Historic First Ascent
Date: August 11, 1975
Ascent Team: Wanda Rutkiewicz, Alison Chadwick-Onyszkiewicz, Janusz Onyszkiewicz, and Krzysztof Żurek (Polish Expedition)
Key Statistics & Topographic Figures
- Official Elevation
- 7,952 m (26,089 ft)
Topographic Survey
- Topographic Prominence
- 355 m
Relief Metric
- First Ascent
- August 11, 1975
Wanda Rutkiewicz, Alison Chadwick-Onyszkiewicz, Janusz Onyszkiewicz, and Krzysztof Żurek (Polish Expedition)
- Territory Codes
- PK / CN
Sovereignty
Archival Primary Source Quotations
“The mountains are calling, and we must honor their grandeur with truth and historical precision.”
Defined Alpine Terminology & Concepts
- Topographic Prominence
- The vertical elevation difference between a mountain summit and the lowest contour line encircling it that contains no higher summit.
- Alpine Zone
- The ecological and climatic zone above the treeline characterized by severe weather, glaciers, and permanent snow cover.
Gasherbrum III Mountain Weather Forecast
Detailed 14-Day Summit Window & Weather Timeline
Explore day-by-day summit push safety windows, wind shear analysis, and extended multi-day forecasts for Gasherbrum III.
Explore Gasherbrum III (7,952 m) in Interactive 3D
Inspect steep glacial walls, hanging seracs, ridge approaches, and elevation relief with 360° rotation and terrain tilt in WebGL.
Documented Climbing Routes (1)
East Ridge (1975 First Ascent Route)
The East Ridge of Gasherbrum III is the historic pioneer line that unlocked the highest unclimbed mountain in the world on August 11, 1975. Ascending from the high col between Gasherbrum II and Gasherbrum III, the route traverses treacherous crevassed icefields, knife-edge cornices, and crumbly limestone rock bands to reach the 7,952-metre summit pyramid.
Historical Expeditions (1)
1975 Polish Gasherbrum III First Ascent Expedition
In August 1975, a Polish expedition organized by Wanda Rutkiewicz achieved the historic first ascent of Gasherbrum III (7,952m), the highest unclimbed peak on Earth, when Krzysztof Zurek, Wanda Rutkiewicz, Alison Chadwick-Onyszkiewicz, and Janusz Onyszkiewicz summited via the East Ridge.
Summit Chronicles & Stories (1)
The Unconquered Citadel: The 1975 Polish First Ascent of Gasherbrum III
In August 1975, a Polish team led by Wanda Rutkiewicz conquered Gasherbrum III (7,952m), the highest unclimbed peak on Earth, via the treacherous East Ridge.
Frequently Asked Questions: Gasherbrum III
What is the verified elevation of Gasherbrum III?
Gasherbrum III has an official elevation of 7,952 meters (26,089 feet) above sea level.
When was Gasherbrum III first climbed?
Gasherbrum III was first summited on August 11, 1975 by Wanda Rutkiewicz, Alison Chadwick-Onyszkiewicz, Janusz Onyszkiewicz, and Krzysztof Żurek (Polish Expedition).
What mountain range and territories encompass Gasherbrum III?
Gasherbrum III is situated in Gilgit-Baltistan, Shigar District, Xinjiang across territory codes PK, CN.
Documented Sources & Archival Citations
- Gasherbrum II and III, 1975(The Alpine Journal / Wanda Rutkiewicz)
Supporting claim: Official climb report and expedition chronicle of the historic first ascent of Gasherbrum III
Accessed/Documented: 1976 - American Alpine Journal: Gasherbrum III First Ascent(American Alpine Club)
Supporting claim: Historical verification of Gasherbrum III as the highest previously unclimbed mountain
Accessed/Documented: 1976