Lyman Glacier (Mount Adams)
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Lyman Glacier is located on the north slopes of Mount Adams a
stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...
in
Gifford Pinchot National Forest Gifford Pinchot National Forest is a National Forest located in southern Washington, managed by the United States Forest Service. With an area of , it extends along the western slopes of Cascade Range from Mount Rainier National Park to the C ...
in the
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...
of
Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...
. The glacier is also within the
Yakama Indian Reservation The Yakama Indian Reservation (spelled Yakima until 1994) is a Native American reservation in Washington state of the federally recognized tribe known as the Confederated Tribes and Bands of the Yakama Nation. The tribe is made up of Klikitat ...
and descends from near the summit of Mount Adams at approximately to a terminus near . Below the glacier splits into three distinct lobes. 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. 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.


See also

*
List of glaciers in the United States Glaciers are located in ten states, with the vast majority in Alaska. The southernmost named glacier is the Lilliput Glacier in Tulare County, California, Tulare County, east of the Central Valley (California), Central Valley of California. Apa ...


References

{{Glaciers of Mount Adams Glaciers of Mount Adams (Washington) Mount Adams (Washington) Gifford Pinchot National Forest Glaciers of Yakima County, Washington Glaciers of Washington (state)