Gelmersee

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Gelmersee
Gelmersee1.jpg
Location Grimsel, Bernese Oberland
Coordinates 46°36′58″N8°19′56″E / 46.61611°N 8.33222°E / 46.61611; 8.33222 Coordinates: 46°36′58″N8°19′56″E / 46.61611°N 8.33222°E / 46.61611; 8.33222
Type reservoir
Catchment area 16.0 km2 (6.2 sq mi)
Basin  countriesSwitzerland
Surface area0.645 km2 (0.249 sq mi)
Max. depth48 m (157 ft)
Water volume13 million cubic metres (11,000 acre⋅ft)
Surface elevation1,850 m (6,070 ft)

Gelmersee (or Lake Gelmer) is a reservoir in Bernese Oberland, Switzerland. The hydroelectric reservoir was completed in 1932, at about the same time as the Grimselsee reservoir, and both are operated by Kraftwerke Oberhasli. The reservoir's volume is 13 million m³ and its surface area 64.5 ha (159 acres).

The reservoir may be reached by the Gelmerbahn from Handegg, Guttannen at 1,412 m. The funicular's track with a length of 1,028 m has a maximum inclination of 106%.

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