Lyman Glacier (Mount Adams) facts for kids
Quick facts for kids Lyman Glacier |
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Lyman Glacier cascading down from the summit of Mount Adams
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 Lyman Glacier
Location in Washington (state)
Lyman Glacier
Location in the United States
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| Type | Mountain glacier |
| Coordinates | 46°12′58″N 121°29′03″W / 46.21611°N 121.48417°W |
| Area | 1.62 km2 (0.63 sq mi) in 2006 |
| Length | 1.4 mi (2.3 km) |
| Terminus | Talus |
| Status | Retreating |
The Lyman Glacier is a cool natural ice formation found on the north side of Mount Adams. Mount Adams is a huge stratovolcano, which is a tall, cone-shaped volcano made of many layers of hardened lava and ash. This glacier is located in the Gifford Pinchot National Forest in the state of Washington, USA.
The glacier is also part of the Yakama Indian Reservation. It starts very high up on Mount Adams, at about 11,400 feet (3,475 meters). It then flows down to about 7,800 feet (2,377 meters). Below 9,000 feet (2,743 meters), the Lyman Glacier splits into three different parts, like fingers spreading out.
About Lyman Glacier
Lyman Glacier has been getting smaller for more than 100 years. This process is called retreating. Between 1904 and 2006, the glacier lost about 34 percent of its surface area. This means a big part of its icy surface melted away.
Where is Lyman Glacier located?
Lyman Glacier is located on the northern slopes of Mount Adams. Mount Adams is a large volcano in the Gifford Pinchot National Forest. This area is in Yakima County, in the state of Washington.
The glacier also sits within the Yakama Indian Reservation. This is an important area for the Yakama people. The glacier starts high up near the top of the mountain. It then flows down the slopes.
How was Lyman Glacier named?
The Lyman Glacier was named after a person named William Denison Lyman. He was one of the first people to describe some of the special features and history of Mount Adams.
A person named Claude Ewing Rusk decided to name the glacier after William Denison Lyman. This was a way to honor Lyman's work in exploring and writing about the mountain.
