Pinnacle Glacier (Mount Adams)

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]

Pinnacle Glacier
Pinnacle Glacier in the large cirque on the right side of the mountain.
Map showing the location of Pinnacle Glacier
Map showing the location of Pinnacle Glacier
Pinnacle Glacier
Map showing the location of Pinnacle Glacier
Map showing the location of Pinnacle Glacier
Pinnacle Glacier
TypeMountain glacier
LocationMount Adams, Yakima and Skamania Counties, Washington, USA
Coordinates46°12′25″N 121°31′43″W[1]
Area1.41 km2 (0.54 sq mi) in 2006[2]
Length1.2 mi (1.9 km)
TerminusTalus
StatusRetreating

Pinnacle Glacier was named by Harry Fielding Reid during his survey of Mount Adams' glaciers with C. E. Rusk in 1901.[4]

See also

References

  1. "Pinnacle Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2012-11-11.
  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. Mount Adams West, WA (Map). TopoQwest (United States Geological Survey Maps). Retrieved 2012-11-11.
  4. Rusk, Claude Ewing (1978) [1924]. Tales of a Western Mountaineer (1st ed.). Seattle, Washington: The Mountaineers. ISBN 0-916890-62-7. LCCN 78054427. OCLC 4667368. OL 11004497M. Retrieved March 29, 2016.
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