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).

Quick Facts Location, Coordinates ...

Gelmersee
Gelmersee Show map of Canton of Bern Gelmersee Show map of Switzerland Gelmersee Show map of Alps
Location	Grimsel, Bernese Oberland
Coordinates	46°36′58″N 8°19′56″E
Type	reservoir
Catchment area	16.0 km2 (6.2 sq mi)
Basin countries	Switzerland
Surface area	0.645 km2 (0.249 sq mi)
Max. depth	48 m (157 ft)
Water volume	13 million cubic metres (11,000 acre⋅ft)
Surface elevation	1,850 m (6,070 ft)

Close

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%.

• List of lakes of Switzerland
• List of mountain lakes of Switzerland

• Lake Gelmer
• Media related to Gelmersee at Wikimedia Commons

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