Lac de Mauvoisin, reservoir
Lac de Mauvoisin is a reservoir in Valais, Switzerland. The water body is contained by a high dam and spreads through a narrow valley flanked by steep mountain slopes.
The lake was created in 1957 with the construction of the dam. This work became a key part of the region's hydroelectric development and has shaped the landscape ever since.
The lake sits in a high valley and is reached by a mountain road. A walk around the basin or up to the dam itself offers views across the surrounding terrain and mountain ranges.
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Location
Elevation above the sea
1,975 m
GPS coordinates
45.97829,7.35426
Latest update
December 15, 2025 13:27
