Isosceles Peak is a mountain
summit
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topography, topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used ...
located in
British Columbia
British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...
, Canada.
Description
Isosceles Peak is set within
Garibaldi Provincial Park and is part of the
Garibaldi Ranges of the
Coast Mountains
The Coast Mountains (french: La chaîne Côtière) are a major mountain range in the Pacific Coast Ranges of western North America, extending from southwestern Yukon through the Alaska Panhandle and virtually all of the Coast of British Columbia ...
.
It is situated north of
Vancouver
Vancouver ( ) is a major city in western Canada, located in the Lower Mainland region of British Columbia. As the List of cities in British Columbia, most populous city in the province, the 2021 Canadian census recorded 662,248 people in the ...
and southeast of
Mount Carr
Mount Carr is a mountain summit located in British Columbia, Canada.
Description
Mount Carr is set within Garibaldi Provincial Park and is part of the Garibaldi Ranges of the Coast Mountains. It is situated north of Vancouver and south-southe ...
, the nearest higher neighbor.
Precipitation runoff and glacial
meltwater
Meltwater is water released by the melting of snow or ice, including glacial ice, tabular icebergs and ice shelves over oceans. Meltwater is often found in the ablation zone of glaciers, where the rate of snow cover is reducing. Meltwater can be ...
from the south side of the peak drains into headwaters of
Pitt River
The Pitt River in British Columbia, Canada is a large tributary of the Fraser River, entering it a few miles upstream from New Westminster and about 25 km ESE of Downtown Vancouver. The river, which begins in the Garibaldi Ranges of the Coas ...
, and the northern slope drains to
Cheakamus Lake
Cheakamus Lake is a lake in Garibaldi Provincial Park on the southeastern outskirts of the resort municipality of Whistler, British Columbia. It has an area of 5.7 km2 (2.2 mi2). It is an expansion of the upper Cheakamus River, with the ...
via Isosceles Creek.
Topographic relief is significant as the summit rises 1,700 meters (5,577 feet) above Pitt River in 4 kilometers (2.5 miles).
History
The
first ascent
In mountaineering, a first ascent (abbreviated to FA in guide books) is the first successful, documented attainment of the top of a mountain or the first to follow a particular climbing route. First mountain ascents are notable because they en ...
of Isosceles Peak was made in August 1922 by
Don Munday, his wife
Phyllis Munday,
Neal Carter
Neal Marshall Carter (December 12, 1902 – March 3, 1978) was a Canadian marine biologist, cartographer, photographer, mountaineer and surveyor. He is most famous for his explorations in British Columbia, especially in the Coast Mountains where ...
, Harold O'Connor, and Clausen Thompson.
[Dick Culbert (1969), ''A Climber's Guide to the Coastal Ranges of British Columbia'', Alpine Club of Canada, p. 137][Kathryn Bridge (2006), ''A Passion for Mountains: The Lives of Don and Phyllis Munday'', Rocky Mountain Books, , p. 92, 95, 224.]
The peak's descriptive name refers to its shape similar to an
isosceles triangle
In geometry, an isosceles triangle () is a triangle that has two sides of equal length. Sometimes it is specified as having ''exactly'' two sides of equal length, and sometimes as having ''at least'' two sides of equal length, the latter versio ...
.
The toponym was officially adopted September 2, 1930, by the
Geographical Names Board of Canada
The Geographical Names Board of Canada (GNBC) is a national committee with a secretariat in Natural Resources Canada, part of the Government of Canada, which authorizes the names used and name changes on official federal government maps of Canada ...
.
[
]
Climate
Based on the Köppen climate classification
The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
, Isosceles Peak is located in the marine west coast climate zone of western North America.
See also
*
* Geography of British Columbia
References
External links
* Isosceles Peak
Weather forecast
{{Pacific Ranges
Garibaldi Ranges
Two-thousanders of British Columbia
Sea-to-Sky Corridor
New Westminster Land District
Coast Mountains