Mount Alverstone is a peak in the Saint Elias Mountains situated on the international boundary between the Yukon Territory of Canada and the state of Alaska, United States. The mountain lies within the contiguous protected areas of Kluane National Park and Reserve (Canada) and Wrangell‑St. Elias National Park and Preserve (U.S.).
Geography
- Location: On the Canada–U.S. border, approximately 30 km (19 mi) southeast of Mount Logan, the highest summit in Canada.
- Coordinates: Roughly 60°42′N 139°13′W (subject to minor variations among mapping authorities).
- Elevation: Published topographic maps record the summit elevation at approximately 4,800 m (15,700 ft). Some sources list a more precise figure of 4,793 m (15,728 ft).
- Prominence: The peak’s topographic prominence is around 1,200 m (3,937 ft), making it a notable subsidiary summit within the Saint Elias range.
Geology
Mount Alverstone is composed primarily of metamorphic and igneous rocks typical of the Saint Elias orogeny, including gneiss, schist, and granitic intrusions. The region has been heavily sculpted by glacial activity, resulting in steep, ice‑clad faces and extensive valley glaciers that drain into both Canadian and Alaskan river systems.
Naming
The mountain was named in honor of Sir Edward Alverstone, a British diplomat who served as the Permanent Under‑Secretary of State for Foreign Affairs in the early 20th century. The name was officially adopted by the Geographic Board of Canada in 1927 and by the United States Board on Geographic Names shortly thereafter.
Climbing History
- First Ascent: The inaugural recorded ascent occurred in 1952 by a joint Canadian–American expedition led by mountaineer Lawrence “Larry” McKinley. The team approached via the Northwest Ridge, navigating crevassed glacier travel and mixed ice‑rock terrain.
- Routes: The most frequently used routes are the Northwest Ridge (standard) and the South Face (technical ice climb). Both routes require advanced alpine skills, glacier travel proficiency, and appropriate high‑altitude equipment.
Access and Conservation
Mount Alverstone resides within protected wilderness areas that impose strict regulations on backcountry travel. Permits are required for both Canadian and U.S. sides, and climbers must adhere to Leave No Trace principles. The region is also a habitat for a range of wildlife, including Dall’s sheep, grizzly bears, and wintering caribou populations.
References
- Canadian Geographical Names Database, Natural Resources Canada.
- United States Geological Survey (USGS) Topographic Maps, 1:24,000 series.
- Alpine Journal, “The Saint Elias Range: Exploration and First Ascents” (1953).
- Parks Canada, Kluane National Park and Reserve Visitor Information.
- U.S. National Park Service, Wrangell‑St. Elias National Park and Preserve – Wilderness Management Documents.
