Swiss glaciers lost 3% of their total ice mass in 2024–25:
Swiss glaciers lost 3% of their total ice mass in 2024–25, marking the fourth-largest reduction on record, according to GLAMOS.About 1,400 glaciers in the Alps, but one-quarter of volume lost since 201. The largest glacier in Switzerland is the Aletsch Glacier (also known as the Great Aletsch Glacier or Grosser Aletschgletscher). Rivers – Source of Rhône (to Mediterranean) and Rhine (to North Sea), also Ticino (to Po) and Reuss (to Aare). Mountains – Alps dominate; major peaks include Dufourspitze (4,634 m), Matterhorn (4,478 m), Weisshorn, and Dom. Jura Mountains lie in northwest; Mittelland plateau in between.