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Dewey Peak
Dewey Peak
	Dewey Peak seen from Dewey Lake
Highest point
Elevation	6,710 ft (2,045 m)
Prominence	1,390 ft (424 m)
Parent peak	Chinook Peak (6,904 ft)
Isolation	4.01 mi (6.45 km)
Coordinates	46°50′30″N 121°29′06″W / 46.841715°N 121.484986°W
Geography
	Dewey Peak Location of Dewey Peak in Washington Dewey Peak Dewey Peak (the United States)
Country	United States
State	Washington
County	Pierce / Yakima
Protected area	Mount Rainier National Park; William O. Douglas Wilderness
Parent range	Cascades
Topo map	USGS Cougar Lake
Climbing
Easiest route	Scrambling class 4

Dewey Peak is a 6,710-foot (2,045 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. The 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.

Climate

Dewey Peak is located in the marine west coast climate zone of western North America.^[3] Most weather fronts originating in the Pacific Ocean 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 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.^[3] Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger.^[3] 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.^[3]

References

^ ^a ^b ^c ^d "Dewey Peak, Washington". Peakbagger.com.
^ ^a ^b ""Dewey Peak" - 6,710' WA". listsofjohn.com. Retrieved July 8, 2020.
^ ^a ^b ^c ^d Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.