| Quien Sabe Glacier | |
|---|---|
 Boston Peak above the Quien Sabe Glacier | |
  Quien Sabe GlacierLocation in Washington | |
| Type | Mountain glacier |
| Location | North Cascades National Park, Skagit County, Washington, U.S. |
| Coordinates | 48°29′41″N 121°02′42″W / 48.49472°N 121.04500°W / 48.49472; -121.04500 |
| Length | .60 mi (0.97 km) |
| Terminus | Icefall/barren rock |
| Status | Retreating |
Quien Sabe Glacier is a glacier located on the west slopes of Boston Peak, North Cascades National Park in the U.S. state of Washington. Quien Sabe Glacier retreated 1200 meters from its Little Ice Age maximum in approximately 1850 to 1950. The glacier then advanced 55 meters between 1955 and 1975. It then started to retreat again and has retreated 200 meters from its largest extent in the 1970s to 2010. The glacier is approximately .60 mi (0.97 km) in length, .70 mi (1.13 km) in width at its terminus and descends from 8,400 to 7,200 ft (2,600 to 2,200 m). The glacier is separated by ridges from Sahale Glacier to the south and the much larger Boston Glacier to the north.
See also
References
- "Quien Sabe Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2013-02-02.
- Cascade Pass, WA (Map). TopoQwest (United States Geological Survey Maps). Retrieved 2013-02-02.
- ^ mspelto (2010-10-07). "Quien Sabe Glacier Retreat". From a Glaciers Perspective. Retrieved 2022-03-06.
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