Rook Mountain 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 topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used only for ...
in
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 ...
, United States.
Description
Rook Mountain is located east-southeast of
Anchorage
Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. The Anchorage metropolita ...
in the
Chugach Mountains
The Chugach Mountains of southern Alaska are the northernmost of the several mountain ranges that make up the Pacific Coast Ranges of the western edge of North America. The range is about long and wide, and extends from the Knik and Turnag ...
and
Chugach State Park
Chugach State Park covers 495,204 acres (2,004 square kilometers) covering a hilly region immediately east of Anchorage, in south-central Alaska.
Established by legislation signed into law on August 6, 1970, by Alaska Governor Keith Harvey Mi ...
.
[ It ranks as the 27th-highest peak within the park.][The "Chugach State Park 120"]
Mountaineering Club of Alaska, Retrieved 2023-12-30.[ Precipitation runoff from the mountain drains to Knik Arm via Raven Creek and the Eagle River. ]Topographic relief
Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...
is significant as the summit rises approximately 4,685 feet (1,428 m) above Raven Creek in . The mountain's toponym has not been officially adopted by the U.S. Board on Geographic Names.
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 ...
, Rook Mountain is located in a tundra climate
The tundra climate is a polar climate sub-type located in high latitudes and high mountains. It is classified as ET according to the Köppen climate classification. It is a climate which at least one month has an average temperature high enough ...
zone with long, cold, snowy winters, and cool summers.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 Chugach 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 −10 °F with wind chill factors below −20 °F. This climate supports the Raven Glacier to the south, Eagle Glacier to the east, and smaller unnamed glaciers on the north slope.
Gallery
File:Rook Mountain.jpg, Rook Mountain and Raven Glacier
File:Stitched shot of Raven Glacier from Crow Pass near Girdwood, Alaska (view on large) (3815722527).jpg, Rook Mountain and Raven Glacier
File:Stitched shot of Raven Glacier near Crow Pass, Girdwood, Alaska (view on large) (3815724385).jpg, Rook Mountain and Raven Glacier
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
{{Portal bar, Mountains, Geography, Alaska
Mountains of Anchorage, Alaska
Two-thousanders of the United States