Grand lac de Laffrey
Lake in France
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The Grand lac de Laffrey is the largest of the Laffrey lakes, located in Matheysine 23 km south of Grenoble, in the Isère département of France. Wikipedia
Surface elevation: 2,989′
Length: 1.864 mi
Average depth: 39 m (128 ft)
Width: 1,640′