Eagle Peak (Washington)
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Eagle Peak is a mountain summit in Lewis County of
Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...
state. It is set on the west end of the
Tatoosh Range The Tatoosh Range is a mountain range located in Mount Rainier National Park and the adjacent Tatoosh Wilderness in the state of Washington (state), Washington, in the Pacific Northwest region of the United States.Mandrake"Tatoosh Range."SummitPo ...
which is a sub-range of the
Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington (state), Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as m ...
. It is located south of
Mount Rainier Mount Rainier ( ), also known as Tahoma, is a large active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about south-southeast of Seattle. With an off ...
, within
Mount Rainier National Park Mount Rainier National Park is a List of national parks of the United States, national park of the United States located in southeast Pierce County, Washington, Pierce County and northeast Lewis County, Washington, Lewis County in Washington (sta ...
, and immediately east of Longmire. Eagle Peak was originally known as ''Simlayshe'', a Native American word meaning ''eagle''. George Longmire
anglicized Anglicisation or anglicization is a form of cultural assimilation whereby something non-English becomes assimilated into or influenced by the culture of England. It can be sociocultural, in which a non-English place adopts the English language ...
the name to Eagle Peak. The four-mile Eagle Peak Trail leads to views of Mount Rainier. The summit of Eagle Peak requires scrambling. Precipitation runoff on the peak drains into the
Nisqually River The Nisqually River is a river in west central Washington in the United States, approximately long. It drains part of the Cascade Range southeast of Tacoma, including the southern slope of Mount Rainier, and empties into the southern end of ...
.


Climate

Eagle Peak is located in the
marine west coast An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring co ...
climate zone of western North America.Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008. Most
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 ins ...
s originating in the Pacific Ocean travel northeast toward the
Cascade Mountains The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as many of those in the ...
. As fronts approach, they are forced upward by the peaks of the Cascade 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 snow onto the Cascades. As a result, the west side of the Cascades experiences high precipitation, especially during the winter months in the form of snowfall. Because of maritime influence, snow tends to be wet and heavy, resulting in
avalanche An avalanche is a rapid flow of snow down a Grade (slope), slope, such as a hill or mountain. Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, othe ...
danger. During winter months, weather is usually cloudy, but due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer. The months July through September offer the most favorable weather for viewing or climbing this peak. Due to its temperate climate and proximity to the Pacific Ocean, areas west of the Cascade Crest very rarely experience temperatures below or above .


References

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External links

* National Park Service web site
Mount Rainier National Park
* Washington Trails Association web site
Eagle Peak Trail
* Eagle Peak hiking
YouTube
Cascade Range Mountains of Lewis County, Washington Mountains of Washington (state) Mount Rainier National Park One-thousanders of the United States