Pyramid Mountain is a
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
Pyramid Mountain is set on the east side of Mamquam Lake in the southwest section of
Garibaldi Provincial Park
Garibaldi Provincial Park, also called Garibaldi Park, is a wilderness park located on the coastal mainland of British Columbia, Canada, 70 kilometres (43.5 mi) north of Vancouver. It was established in 1920 and named a Class A Provincial ...
.
It is part of the
Garibaldi Ranges
The Garibaldi Ranges are the next-to-southwesternmost subdivision of the Pacific Ranges of the Coast Mountains; only the North Shore Mountains are farther southwest. They lie between the valley formed by the pass between the Cheakamus River and ...
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 southwest of
line parent Spire Peaks.
Topographic relief
Terrain or relief (also topographical relief) involves the vertical and horizontal dimensions of land surface. The term bathymetry is used to describe underwater relief, while hypsometry studies terrain relative to sea level. The Latin word ...
is significant as the summit rises 1,020 meters (3,346 feet) above Eanastick Meadows in 1.5 kilometer (0.9 mile). Precipitation
runoff
Runoff, run-off or RUNOFF may refer to:
* RUNOFF, the first computer text-formatting program
* Runoff or run-off, another name for bleed, printing that lies beyond the edges to which a printed sheet is trimmed
* Runoff or run-off, a stock market ...
from the peak drains to Skookum Creek, thence
Mamquam River
The Mamquam River is a c.35 km (c. 21 mi) tributary of the Squamish River.
Course
The Mamquam River originates at Mamquam Pass and starts off by flowing northwest for about 7.5 km. Shortly below its source, the river picks up t ...
. The toponym was officially adopted September 7, 1978, 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 ...
, Pyramid Mountain is located in the marine west coast
An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ( ...
climate zone of western North America.weather front
A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differences often arises along the boundary. For in ...
s originate in the Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
, and travel east toward the Coast Mountains where they are forced upward by the range (Orographic lift
Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and cr ...
), causing them to drop their moisture in the form of rain or snowfall. As a result, the Coast Mountains experience high precipitation, especially during the winter months in the form of snowfall. Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.
See also
*
* Geography of British Columbia
British Columbia is the westernmost province of Canada, bordered by the Pacific Ocean. With an area of it is Canada's third-largest province. The province is almost four times the size of the United Kingdom and larger than every United States ...
Gallery
File:Pyramid, Spire Peaks, Trick.jpg, Pyramid Mountain and Spire Peaks to left, Trick Peak (right). Southwest aspect.
File:Spire Peaks from Elfin Lake.jpg, Pyramid Mountain and Spire Peaks to left, Trick Peak (right). From Elfin Lake.
File:Pyramid, Spire Peaks, Trick Peak.jpg, Pyramid Mountain and Spire Peaks to left, Trick Peak (right). Southwest aspect.
File:Pyramid Mountain in Garibaldi Provincial Park.jpg, West aspect
References
External links
* Pyramid Mountain (photo, left)
Flickr
{{Pacific Ranges
Garibaldi Ranges
Two-thousanders of British Columbia
Sea-to-Sky Corridor
New Westminster Land District
Coast Mountains