The Grand lac de Laffrey (Great Laffrey lake) is the largest of the Laffrey lakes, located in Matheysine 23 km south of Grenoble, in the Isère département of France.
Grand Lac de Laffrey | |
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Location | Isère |
Coordinates | 45°0′40″N 5°46′40″E / 45.01111°N 5.77778°E |
Primary outflows | Laffrey |
Basin countries | France |
Max. length | 3 km (1.9 mi) |
Max. width | 0.5 km (0.31 mi) |
Surface area | 120 ha (300 acres) |
Average depth | 39 m (128 ft) |
Surface elevation | 911 m (2,989 ft) |