Pinnacle Glacier (Mount Adams)

Pinnacle Glacier
Pinnacle Glacier on the far left of the photo, starting at around halfway up the rocky portion of the mountain.
Map showing the location of Pinnacle Glacier
Pinnacle Glacier
Type Mountain glacier
Coordinates 46°12′25″N 121°31′43″W / 46.20694°N 121.52861°W / 46.20694; -121.52861Coordinates: 46°12′25″N 121°31′43″W / 46.20694°N 121.52861°W / 46.20694; -121.52861[1]
Area 1.41 km2 (0.54 sq mi) in 2006[2]
Length 1.2 mi (1.9 km)
Terminus Talus
Status Retreating

Pinnacle Glacier is located on the west slopes of Mount Adams a stratovolcano in Gifford Pinchot National Forest in the U.S. state of Washington.[3] The glacier descends from approximately 10,000 ft (3,000 m) to a terminus near 7,200 ft (2,200 m).[3] Pinnacle Glacier lost 7 percent of its surface area between 1904 and 2006.[2]

See also

References

  1. ↑ "Pinnacle Glacier". Geographic Names Information System. United States Geological Survey. Retrieved 2012-11-11.
  2. 1 2 Sitts, Danielle; Andrew G. Fountain; Matthew J. Hoffman (2010). "Twentieth Century Glacier Change on Mount Adams, Washington, USA" (pdf). Northwest Science. Northwest Scientific Association. 84 (4): 378–385. doi:10.3955/046.084.0407. Retrieved 2012-11-11.
  3. 1 2 Mount Adams West, WA (Map). TopoQwest (United States Geological Survey Maps). Retrieved 2012-11-11.
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