Wahpenayo Peak

Wahpenayo Peak is a 6,231-foot summit in the Tatoosh Range which is a sub-range of the Cascade Range.[1] It is located south of Mount Rainier within Mount Rainier National Park, in Lewis County of Washington state. The mountain is named for Wahpenayo, a native American chief who was the father-in-law of Indian Henry.[3] Precipitation runoff on the south and east side of the peak drains into tributaries of the Cowlitz River, whereas the north side drains into tributaries of the Nisqually River.

Wahpenayo Peak
Wahpenayo Peak (centered) seen from Denman Peak with Cliff Lake and Chutla Peak to far right
Highest point
Elevation6,231 ft (1,899 m)[1]
Prominence791 ft (241 m)[1]
Parent peakPlummer Peak (6,374 ft)[2]
Isolation1.37 mi (2.20 km)[2]
Coordinates46°44′49″N 121°46′01″W
Geography
Wahpenayo Peak is located in Washington (state)
Wahpenayo Peak
Wahpenayo Peak
Location in Washington
Wahpenayo Peak is located in the United States
Wahpenayo Peak
Wahpenayo Peak
Location in the United States
LocationMount Rainier National Park
Lewis County, Washington, U.S.
Parent rangeCascades
Topo mapUSGS Wahpenayo Peak
Climbing
Easiest routeScrambling class 3

Climate

Wahpenayo Peak is located in the marine west coast climate zone of western North America.[4] 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 North Cascades experiences high precipitation, especially during the winter months in the form of snowfall.[4] 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.[4] Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger.[4]

Left to rightː Lane Peak, Wahpenayo Peak (centered), Mount St. Helens, and Chutla Peak in winter.

References
  1. "Wahpenayo Peak, Washington". Peakbagger.com.
  2. "Wahpenayo Peak - 6,231' WA". listsofjohn.com. Retrieved 2021-11-04.
  3. "Wahpenayo Peak". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2018-08-25.
  4. Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
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