Ibón de Truchas is a lake at the winter resort of Astún in the Province of Huesca, northeastern Spain. It lies at an elevation of 2,144 metres (7,034 ft) and has a maximum depth of 4.7 metres (15 ft). It is a popular place for fishing and hiking.
Coordinates: 42°48′52″N 0°29′18″W / 42.8144°N 0.4883°W