Gelmer
| Dam Name | Gelmer |
| River | Diechterbach |
| Near City | Innertkirchen |
| Administration City | Bern |
| Country | Switzerland |
| Year | 1929 |
| Dam Height | 35 |
| Dam Length | 370 |
| Area(Sqkm) | 0.3 |
| Area(Polygonal) | 0.3 |
| Capital Expenditure | 14 |
| Depth(M) | 46.7 |
| Avg Displacement Of Water | 731 |
| Catchment Area In Sqkm | 17 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 8.322083 |
| Latitude | 46.612083 |
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