Pyramid Peak is an 8,875-foot (2,705-meter) mountain summit located at the western edge of the
Saint Elias Mountains
The Saint Elias Mountains () are a subgroup of the Pacific Coast Ranges, located in southeastern Alaska in the United States, Southwestern Yukon and the very far northwestern part of British Columbia in Canada. The range spans Wrangell-St. Elias ...
, in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...
of
Alaska
Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
. The peak is situated in
Wrangell-St. Elias National Park and Preserve, southeast of
McCarthy, southeast of
Williams Peak, and south-southeast of
Joshua Green Peak
Joshua Green Peak is a 7,135-foot (2,175 meter) mountain summit located at the western edge of the Saint Elias Mountains, in the U.S. state of Alaska. The peak is situated in Wrangell-St. Elias National Park and Preserve at the head of Dan Cree ...
. The peak's descriptive local name was reported in 1908 by the
United States Geological Survey
The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on Mar ...
.
Precipitation runoff from the mountain drains into tributaries of the
Nizina River, which in turn is part of the
Copper River drainage basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
.
Climate
Based on the
Köppen climate classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...
, Pyramid Peak is located in a
subarctic climate
The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ...
zone with long, cold, snowy winters, and cool summers.
Weather systems coming off the
Gulf of Alaska
The Gulf of Alaska ( Tlingit: ''Yéil T'ooch’'') is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the ...
are forced upwards by the Saint Elias Mountains (
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 heavy precipitation in the form of rainfall and snowfall. Winter temperatures can drop below −20 °F with wind chill factors below −30 °F. This climate supports small unnamed glaciers on its north and south slopes. The months May through June offer the most favorable weather for viewing and climbing.
Gallery
File:Pyramid Mountain. Alaska. 1913.jpg, Pyramid Mountain in 1913
See also
*
List of mountain peaks of Alaska
This article comprises three sortable tables of major mountain peaks of the U.S. State of Alaska.
The summit of a mountain or hill may be measured in three principal ways:
#The topographic elevation of a summit measures the height of the summi ...
*
Geography of Alaska
Alaska occupies the northwestern portion of the North American continent and is bordered only by Canada on the east. It is one of two U.S. states not bordered by another state; Hawaii is the other. Alaska has more ocean coastline than all of the ...
References
{{reflist
External links
* Weather forecast
National Weather Service
Mountains of Alaska
Landforms of Copper River Census Area, Alaska
Wrangell–St. Elias National Park and Preserve
Saint Elias Mountains
Two-thousanders of the United States