Grand Maison
| Dam Name | Grand Maison |
| River | Eau d'Olle |
| Near City | Grenoble |
| Administration City | Isere |
| Country | France |
| Year | 1984 |
| Dam Height | 160 |
| Dam Length | 550 |
| Area(Sqkm) | 1 |
| Area(Polygonal) | 1 |
| Capital Expenditure | 137 |
| Depth(M) | 137 |
| Avg Displacement Of Water | 870 |
| Catchment Area In Sqkm | 43 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | 6.119583 |
| Latitude | 45.207083 |
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