Grimselsee Lake Grimsel |
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Location | Guttannen, Canton of Berne |
Coordinates | 46°34′10.52″N 8°19′38.66″E / 46.5695889°N 8.3274056°ECoordinates: 46°34′10.52″N 8°19′38.66″E / 46.5695889°N 8.3274056°E |
Type | artificial lake, hydroelectric reservoir |
Primary inflows | Oberaarbach, Treibtenbach |
Primary outflows | Aare |
Catchment area | 74.4 km2 (28.7 sq mi) |
Basin countries | Switzerland |
Surface area | 2.63 km2 (1.02 sq mi) |
Water volume | 95 million cubic metres (77,000 acre·ft) |
Surface elevation | 1,908 m (6,260 ft) |
The Grimselsee or Lake Grimsel is an artificial lake near the Grimsel Pass in the Canton of Berne, Switzerland. With a volume of 95 mio m³, it is larger than other hydroelectric reservoirs in the region: Oberaarsee, Räterichsbodensee and Gelmersee. The dam was completed in 1932 and is operated by Kraftwerke Oberhasli AG (KWO). It is located in the municipality of Guttannen.