Length (1973) 23.95 km. Aspect: SSE. Surface area 1973: 86.63 km2.
Keywords: largest valley glacier of the Alps, medial moraines, ice avalanches from a hanging glacier on the Mönch. Photo below: October 2006.

Aerial photos
Panoramic photos
Large ice avalanche
Fallen ice block
At the glacier margin
Aletschwald
Comparison 1900-2004
Comparison (1), Comparison (2)
3D images
Various