Dewey Peak

Dewey Peak is a 6,710 feet (2,050 m) summit located on the shared border of Mount Rainier National Park and William O. Douglas Wilderness. It is also on the shared border of Pierce County and Yakima County in Washington state. Dewey Peak is situated on the crest of the Cascade Range southeast of Chinook Pass, east of Seymour Peak, and northeast of Shriner Peak. Its nearest higher peak is Chinook Peak, 3.97 mi (6.39 km) to the north.[1] Dewey Peak is named in association with Dewey Lake which is set below its north aspect. Precipitation runoff from Dewey Peak drains into tributaries of the Cowlitz River and Yakima River.

Dewey Peak
Dewey Peak seen from Dewey Lake
Highest point
Elevation6,710 ft (2,050 m)[1]
Prominence1,390 ft (420 m)[1]
Parent peakChinook Peak (6,904 ft)[2]
Isolation4.01 mi (6.45 km)[2]
Coordinates46°50′30″N 121°29′06″W
Geography
Dewey Peak is located in Washington (state)
Dewey Peak
Dewey Peak
Location of Dewey Peak in Washington
Dewey Peak is located in the United States
Dewey Peak
Dewey Peak
Dewey Peak (the United States)
LocationPierce County / Yakima County
Washington, U.S.
Parent rangeCascades
Topo mapUSGS Cougar Lake
Climbing
Easiest routeScrambling class 4

Climate
Dewey Peak in late autumn, from Naches Peak loop trail

Dewey Peak is located in the marine west coast climate zone of western North America.[3] Most weather fronts originate in the Pacific Ocean, and travel northeast toward the Cascade Mountains. As fronts approach, they are forced upward by the peaks of the Cascade Range (Orographic lift), causing them to drop their moisture in the form of rain or snowfall 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. 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. Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger.

References
  1. "Dewey Peak, Washington". Peakbagger.com.
  2. ""Dewey Peak" - 6,710' WA". listsofjohn.com. Retrieved 2020-07-08.
  3. Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
  • Dewey Peak seen from northwest
    Dewey Peak seen from northwest
  • Dewey Peak seen from Naches Peak Loop Trail
    Dewey Peak seen from Naches Peak Loop Trail
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