South Cascade Glacier

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South Cascade Glacier
USGS South Cascade Glacier.jpg
South Cascade Glacier, October 2000. Note how far the glacier has retreated since the 1965 photo below.
Location in Washington
Location in Washington
South Cascade Glacier
Location in Washington
Type Alpine glacier
Location North Cascades, Skagit County, Washington, USA
Coordinates 48°21′36″N 121°03′27″W / 48.36000°N 121.05750°W / 48.36000; -121.05750Coordinates: 48°21′36″N 121°03′27″W / 48.36000°N 121.05750°W / 48.36000; -121.05750[1]
Length 1.3 mi (2.1 km)
Terminus Talus/moraine
Status Retreating

South Cascade Glacier is a large alpine glacier in the North Cascades of Washington, USA.[2] It is bordered on the east by 8,261-foot (2,518 m) Sentinel Peak, and is about 17 mi (27 km) north of Glacier Peak in the Glacier Peak Wilderness. Meltwater from the glacier flows directly into South Cascade Lake, which feeds the South Fork Cascade River, which is a tributary of the Skagit River.

The South Cascade Glacier has been closely monitored by glaciologists studying the effects of climate on glaciers. Between 1958 and 2009 South Cascade Glacier lost nearly a half of its volume.[3]

South Cascade Glacier on September 23, 1965

See also[edit]


  1. ^ "South Cascade Glacier". Geographic Names Information System. United States Geological Survey. Retrieved 2012-10-20. 
  2. ^ Dome Peak, WA (Map). TopoQwest (United States Geological Survey Maps). Retrieved 2012-10-20. 
  3. ^ Josberger, Bidlake, March, O'Neel (2009), Fifty-Year Record of Glacier Change Reveals Shifting Climate in the Pacific Northwest and Alaska, USA: U.S. Geological Survey Fact Sheet 2009-3046