A glacier bounded by the walls of a valley, and descending from high mountains, from an ice cap on a plateau, or from an ice sheet.
Grosser Aletschgletscher, the longest glacier in the Alps. Aerial photo J. Alean, 1980.
Updated 2006-10-20 · © Glaciers online · J. Alean · M. Hambrey
Hosted by Metanet