- Cowlitz Glacier
Upper Cowlitz Glacier (right center)
Type Mountain glacier Location Mount Rainier National Park, Pierce County, Washington, USA Coordinates  Area 1.3 square miles (3.4 km2), 1983 Status Retreating
The Cowlitz Glacier is a large glacier on the southeast flank of Mount Rainier in Washington. The body of ice covers 1.3 square miles (3.4 km2) and has a volume of 6 billion ft3 (170 million m3). The glacier starts at an elevation of 10,700 feet (3,300 m) and flows southeast downhill. An adjacent glacier, the Paradise Glacier, is connected to this glacier. As it flows heads down the slopes of Rainier, another glacier, the Ingraham Glacier contributes ice to this glacier. The joined glaciers flow together as a valley glacier until their terminus at around 5,500 ft (1,700 m). Meltwater from the glacier drains into the Cowlitz River.
About 35,000 years ago, the combined Cowlitz and Ingraham glaciers terminated some 65 mi (105 km) from Mount Rainier near present-day Mossyrock. As the Ice Age ended the glacier retreated north back to Mount Rainier. In recent times, the glacier has thinned, except for the period between the mid-1970s and mid-1980s, during which the glacier made a notable advance.
- ^ Google Earth images.
- ^ a b c d e "USGS Mount Rainier Glaciers Description". USGS. http://vulcan.wr.usgs.gov/Volcanoes/Rainier/Glaciers/description_rainier_glaciers.html. Retrieved 2007-10-07.
- ^ a b "Cowlitz Glacier, USGS Mount Rainier East (WA) Topo Map". USGS Quad maps. TopoQuest.com. http://www.topoquest.com/map.php?lat=46.83231&lon=-121.71544&datum=nad27&zoom=8. Retrieved 2008-05-15.
Glaciers of Mount Rainier Mount RainierCarbon Glacier · Cowlitz Glacier · Edmunds Glacier · Emmons Glacier · Flett Glacier · Fryingpan Glacier · Ingraham Glacier · Inter Glacier · Kautz Glacier · Liberty Cap Glacier · Nisqually Glacier · North Mowich Glacier · Ohanapecosh Glacier · Paradise Glacier · Puyallup Glacier · Pyramid Glacier · Russell Glacier · South Mowich Glacier · South Tahoma Glacier · Success Glacier · Tahoma Glacier · Van Trump Glacier · Whitman Glacier · Wilson Glacier · Williwakas Glacier · Winthrop Glacier See alsoGlaciers of Mount Adams · Glaciers of Mount Baker · Glaciers of Glacier Peak · Glaciers of the Olympic Mountains · Glaciers of other Washington mountains
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