Lac d'Oô
France · Europe
About
The Lac d'Oô (Occitan: Lac d'Òu) is a glacial lake, artificially expanded through the construction of a dam in 1918-1921, in the French Pyrenees with an area of 4.2 hectares, located at an altitude of 1507 m in the commune of Oô.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.