- Ruth Glacier
Infobox_Glacier | glacier_name = Ruth Glacier
caption = Ruth Glacier
type = Valley glacier
location =Matanuska-Susitna Borough, Alaska , U.S.
coordinates = coord|62|47|05|N|150|38|37|W|type:glacier
area =
length = 40 miles (64 km)
thickness = 3,800 feet (1,158 m) (1983)
terminus = moraine
status = unknownRuth Glacier is a
glacier inDenali National Park and Preserve in theU.S. state ofAlaska . [cite web| url = http://www.topozone.com/map.asp?lat=62.7847&lon=-150.64372&s=500&size=l&u=4&datum=nad27&layer=DRG| title = USGS Talkeetna D-2 (AK) Topo Map| publisher = Topozone| accessdate = 2007-01-25] Its upper reaches are almost three vertical miles (4.8 km) below the summit ofMount McKinley . The glacier's "Great Gorge" is one mile (1.6 km) wide, and drops almost 2,000 feet (600 m) over ten miles (16 km), withcrevasse s along the surface. Above the surface on both sides are 5,000-foot (1,500-m)granite cliffs. From the top of the cliffs to the bottom of the glacier is a height exceeding that of theGrand Canyon . Ruth Glacier moves at a rate of 3.3 feet (1 m) a day and was measured to be 3,800 feet (1,158 m) thick in 1983. [cite web| url =http://www.nps.gov/dena/naturescience/ruth_glacier.htm| title = Ruth Glacier|work=Denali National Park and Preserve| publisher = National Park Service| accessdate = 2007-01-25]Surrounding the Ruth Gorge are many mountains of the
Alaska Range , including theMooses Tooth , with highly technical ice and rock climbs on their faces.ee also
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List of glaciers Cited references
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