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Big Four Mountain

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Title: Big Four Mountain  
Author: World Heritage Encyclopedia
Language: English
Subject: Mountain Loop Highway, Cave
Collection: Cascade Range, Landforms of Snohomish County, Washington, Mountains of Washington (State)
Publisher: World Heritage Encyclopedia

Big Four Mountain

Big Four Mountain
Big Four Mountain
Elevation 6160+ feet (1878+ m)[1]
Prominence 1,080 ft (330 m)[1]
Location Snohomish County, Washington, U.S.
Range Cascade Range
Coordinates [2]
Topo map USGS Silverton

Big Four is a mountain in the Cascade Range, located about 20 miles (32 km) east of Granite Falls, Washington. Debris piles on the mountain's northern flank form as a result of avalanche activity. These fields of disturbed snow are able to remain year round in the shadow of the mountain. During the summer months snow-melt streams flow beneath the debris piles and cause caves to form in the ice. The caves vary in size from season to season and are unpredictably dangerous. The mountain is open to the public and a large snowfield can be reached by a short trail, but the snowfield itself is off-limits due to cave-ins and slides which have killed hikers in incidents in 1998 and in 2010.[3]

See also

One of Big Four's ice caves, ca. 1920.


  1. ^ a b "Big Four Mountain, Washington". Retrieved 2008-11-26. 
  2. ^ "Big Four Mountain".  
  3. ^ "Girl killed by falling ice at Big Four Ice Caves identified". Seattle Times. August 2, 2010. 

External links

  • "Big Four Mountain". Retrieved 2011-05-07.

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