Mother Mountain (Washington)

Mother Mountain is a 6,480+ ft (1,980+ m) multi-summit, 3-mile long ridge-like mountain located in Mount Rainier National Park, in Pierce County of Washington state.[4] It is part of the Cascade Range, and lies 7 mi (11 km) northwest of the summit of Mount Rainier. The Wonderland Trail provides one approach option to this mountain, and the summit offers views of Mount Rainier. East Fay Peak is its nearest higher neighbor, 0.42 mi (0.68 km) to the south.[1] Precipitation runoff from Mother Mountain is drained by Cataract Creek on the south side of the mountain, and Ipsut Creek drains the north side of it, and both are tributaries of the Carbon River. The west side drains into Mowich Lake, and thence Mowich River.

Mother Mountain
Mother Mountain, south aspect
Highest point
Elevation6,480 ft (1,980 m) [1]
Prominence280 ft (85 m) [1]
Parent peakEast Fay Peak (6520+ ft)[2]
Isolation0.43 mi (0.69 km) [2]
Coordinates46°56′19″N 121°50′32″W 
Geography
Mother Mountain
Location of Mother Mountain in Washington
Mother Mountain
Mother Mountain (the United States)
LocationMount Rainier National Park
Pierce County, Washington, U.S.
Parent rangeCascades
Topo mapUSGS Mowich Lake
Climbing
Easiest routescrambling[3]

History

The name Mother Mountain derives from the figure of a woman which can be seen silhouetted along the northeast summit of the ridge.[5] The name was officially adopted in 1913 by the United States Board on Geographic Names.[4] The first ascent of Second Mother Mountain (6,375-ft) was made in 1938 by Maynard Miller and H. Kinzner.[3]

Geology

This geological formation was formed by successive lava flows erupting from broad, low volcanos less than 25 million years ago. Large cirques on the north aspect once held voluminous glaciers during the Pleistocene.[3]

Climate

Mother Mountain 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. The months July through September offer the most favorable weather for viewing or climbing this peak.

See also
  • First Mother Mountain
  • Second Mother Mountain centered, Third Mother to right
  • Mother Mountain
  • from Spray Park

References
  1. "First Mother Mountain, Washington". Peakbagger.com.
  2. "Mother Mountain - 6,500' WA". listsofjohn.com. Retrieved 2020-07-15.
  3. Beckey, Fred W. Cascade Alpine Guide, Climbing and High Routes. Seattle, WA: Mountaineers Books, 2008.
  4. "Mother Mountain". Geographic Names Information System. United States Geological Survey. Retrieved 2020-07-15.
  5. Mount Rainier National Park Place Names. Gary Fuller Reese (author), 2009.
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