| Gelmersee | |
|---|---|
| Location | Grimsel, Bernese Oberland |
| Lake type | reservoir |
| Catchment area | 16.0 km² |
| Basin countries | Switzerland |
| Surface area | 0.645 km² |
| Max. depth | 48 m |
| Water volume | 13 mio m³ |
| Surface elevation | 1,850 m |
Gelmersee (or Lake Gelmer) is a lake in Bernese Oberland, Switzerland. The hydroelectric reservoir was built at the same time as Grimselsee. The reservoir's volume is 13 million m³ and its surface area 0.645 km².
The lake may be reached by 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%.
Media related to [//commons.wikimedia.org/wiki/Category:Gelmersee Gelmersee] at Wikimedia Commons