Lac de Sanetsch
| Lac de Sanetsch | |
|---|---|
| Location | Gsteig, Valais |
| Coordinates | 46°21′27″N 7°17′44″E / 46.35750°N 7.29556°E |
| Type | reservoir |
| Catchment area | 10.7 km2 (4.1 sq mi) |
| Basin countries | Switzerland |
| Surface area | 29 ha (72 acres) |
| Surface elevation | 2,034 m (6,673 ft) |
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Lac de Sanetsch (also Lac de Sénin, German: Sanetsch See) is a reservoir below Sanetsch Pass in Valais, Switzerland. Its surface area is 29 ha (72 acres). The Sanetsch dam was built in 1965. The gravity dam has a height of 42 metres (138 ft).