Lac Bleu d'Ilhéou is a lake in Hautes-Pyrénées, France. At an elevation of 1976 m, its surface area is 0.113 km².

Lac Bleu d'Ilhéou
Lac Bleu d'Ilhéou is located in Pyrenees
Lac Bleu d'Ilhéou
Lac Bleu d'Ilhéou
LocationHautes-Pyrénées
Coordinates42°51′48″N 0°10′39″W / 42.863234°N 0.177374°W / 42.863234; -0.177374
Primary outflowsGave d'Ilhéou
Basin countriesFrance
Surface area0.113 km2 (0.044 sq mi)
Max. depth20 m (66 ft)
Surface elevation1,976 m (6,483 ft)