Glacier Features: Icefalls

Icefalls often happen when glaciers flow over a steep drop. That portion of glacier ice flows faster and becomes heavily crevassed.

Cowlitz Glacier icefallThis 1960 photograph shows Cowlitz Glacier's icefall as it flows down the steep flank of Mount Rainier in Washington state. —Credit: Photograph by Austin Post. 1960. Cowlitz Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center.

Puyallup Glacier icefallPuyallup Glacier, located on the steep slopes of Mount Rainier in Washington state, features several icefalls. —Credit: Photograph by Austin Post. 1960. Puyallup Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center.

Last updated: 16 March 2020