Lyman Glacier (Mount Adams)
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TypeMountain glacier
LocationMount Adams, Yakima County, Washington, USA
Area1.62 km2 (0.63 sq mi) in 2006[2]
| Lyman Glacier | |
|---|---|
_from_Devils_Garden.JPG) Lyman Glacier cascading down from the summit of Mount Adams | |
  Lyman Glacier  Lyman Glacier | |
| Type | Mountain glacier |
| Location | Mount Adams, Yakima County, Washington, USA |
| Coordinates | 46°12′58″N 121°29′03″W / 46.21611°N 121.48417°W[1] |
| Area | 1.62 km2 (0.63 sq mi) in 2006[2] |
| Length | 1.4 mi (2.3 km) |
| Terminus | Talus |
| Status | Retreating |
Lyman Glacier is located on the north slopes of Mount Adams a stratovolcano in Gifford Pinchot National Forest in the U.S. state of Washington.[3] The glacier is also within the Yakama Indian Reservation and descends from near the summit of Mount Adams at approximately 11,400 ft (3,500 m) to a terminus near 7,800 ft (2,400 m). Below 9,000 ft (2,700 m) the glacier splits into three distinct lobes.[3] Lyman Glacier has been in a general state of retreat for over 100 years and lost 34 percent of its surface area between 1904 and 2006.[2]
Lyman Glacier was named after William Denison Lyman by Claude Ewing Rusk because Lyman was one of the first to describe some of Mount Adams' features and history.[4]