Lewis Glacier is in the U.S. state of Oregon. The glacier is situated in the Cascade Range at an elevation generally above 9,000 feet (2,700 m). Lewis Glacier is on the southeast slopes of South Sister, an inactive stratovolcano.[2] Since its last maximum extent during the Little Ice Age (1350–1850 A.D.) where it descended to an elevation of 6,447 ft (1,965 m), the glacier has been in a general state of retreat and the terminus of the glacier was reported in 2005 to be at approximately 8,790 ft (2,680 m).[3]
| Lewis Glacier | |
|---|---|
  Lewis Glacier Location in Oregon | |
| Type | Mountain glacier |
| Location | Cascade Range, Deschutes County, Oregon, U.S. |
| Coordinates | 44°05′42″N 121°46′00″W / 44.09500°N 121.76667°W[1] |
| Length | 3,000 ft (910 m) |
| Terminus | Barren rock |
| Status | Retreating |
See also
editReferences
edit- ^ "Lewis Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved July 29, 2012.
- ^ South Sister, OR (Map). TopoQwest (United States Geological Survey Maps). Retrieved July 15, 2012.
- ^ Demmer, David; Howard Mooers (2005). "Lewis Glacier, South Sister Mountain, Oregon: Farewell Old Friend?". Geological Society of America. Retrieved July 15, 2012.
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