Conguillío Lake

Conguillío Lake
The lake with Sierra Nevada in the background.
Conguillío Lake
LocationLa Araucanía Region
Coordinates38°38′S 71°38′W / 38.633°S 71.633°W / -38.633; -71.633
Primary outflowsUnderground outflow
Basin countriesChile
Surface area7.8 km2 (1,900 acres)
Surface elevation1,122 m (3,681 ft) above sea level

Conguillío Lake is a lake located in the La Araucanía Region of Chile, within the Conguillío National Park. The lake was formed by the damming of the Trufultruful River caused by a lava flow from the Llaima volcano.