3-102-023 - Ware in the World/Heritage Images

The Rhône Glacier, Switzerland, c1955. The Rhône Glacier, the largest glacier in the Urner Alps, is the source of the river Rhône and one of the primary contributors to Lake Geneva. It has become a prominent example of Alpine glacier retreat. According to a 2025 report by Swissinfo, since 1850, the glacier has lost about 60% of its volume. Between 2023 and 2024, the melt rate was recorded at 2.5%, exceeding the average of the previous decade.