Nooksack Cirque is in

North Cascades National Park North Cascades National Park is an American national park in the state of Washington. At more than , it is the largest of the three National Park Service units that comprise the North Cascades National Park Complex. North Cascades National Par ...

in the U.S. state of

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

, on the eastern slopes of

Mount Shuksan Mount Shuksan is a glaciated massif in the North Cascades National Park. Shuksan rises in Whatcom County, Washington immediately to the east of Mount Baker, and south of the Canada–US border. The mountain's name ''Shuksan'' is derived from th ...

. Nooksack Cirque was formed by

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...

s and the

East Nooksack Glacier East Nooksack Glacier is in North Cascades National Park in the U.S. state of Washington, on the eastern slopes of Mount Shuksan. East Nooksack Glacier is only , but fills the upper portions of the Nooksack Cirque, spanning more than . East Nooksa ...

is located in the

cirque A (; from the Latin word ') is an amphitheatre-like valley formed by glacial erosion. Alternative names for this landform are corrie (from Scottish Gaelic , meaning a pot or cauldron) and (; ). A cirque may also be a similarly shaped landform ...

below the headwall known as ''Jagged Ridge''. The cirque extends from a subpeak of Mount Shuksan called Nooksack Tower to

Seahpo Peak Seahpo Peak is a subsidiary peak of Mount Shuksan, which rises in the U.S. state of Washington. It is located about east of the main peak of Shuksan and rises to about . It is located in North Cascades National Park and is part of the North Cas ...

, a distance of over in width. Nooksack Cirque streams and meltwater from the East Nooksack Glacier form the headwaters for the

Nooksack River The Nooksack River is a river in western Whatcom County of the northwestern U.S. state of Washington, draining extensive valley systems within the North Cascades around Mount Shuksan, Mount Baker and the Twin Sisters, and a portion of Fraser Lo ...

References

{{Authority control Landforms of Whatcom County, Washington North Cascades National Park Cirques of the United States