Grosse Dhunn
| Dam Name | Grosse Dhunn |
| River | Grosse Dhunn |
| Near City | Wermelskirch |
| Administration City | North Rhine-Westphalia |
| Country | Germany |
| Year | 1984 |
| Dam Height | 63 |
| Dam Length | 380 |
| Area(Sqkm) | 4 |
| Area(Polygonal) | 4 |
| Capital Expenditure | 81 |
| Depth(M) | 20.3 |
| Avg Displacement Of Water | 587 |
| Catchment Area In Sqkm | 63 |
| Main Usage | Water supply |
| Status | 3: Fair |
| Longitude | 7.187083 |
| Latitude | 51.067917 |
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