Lácar Lake

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Lácar Lake
Lacar desde bandurrias.JPG
Location Lácar Department, Neuquén Province
Coordinates 40°11′S 71°32′W / 40.183°S 71.533°W / -40.183; -71.533Coordinates: 40°11′S 71°32′W / 40.183°S 71.533°W / -40.183; -71.533
Type glacial lake
Primary outflows Huahum River
Catchment area 1,048 km2 (405 sq mi)
Basin countries Argentina
Surface area 55 km2 (21 sq mi)
Average depth 167 m (548 ft)
Max. depth 277 m (909 ft)
Surface elevation 630 m (2,070 ft)
Settlements San Martín de los Andes

The Lácar Lake (Spanish: Lago Lácar) is a lake of glacial origin in Neuquén Province, Argentina. It is enclosed in a mountain range of the Andes, at 630 m above mean sea level, approximately at 40°11′S 71°32′W / 40.183°S 71.533°W / -40.183; -71.533. The area around the lake is mostly uninhabited, except for the small city of San Martín de los Andes on its northeastern coast.

The lake has a surface area of 55 km² and a mean depth of 167 m, with a maximum of 277 m. Its catchment basin comprises 1,048 km². Like many Andean Argentine lakes, it drains across Chile and into the Pacific Ocean, in this case via the Huahum River that flows through Huahum Pass in the Andes.

As the northernmost lake on the eastern side of Andes that drains to the Pacific the lake and his catchment basin was claimed by Chile until 1902 based on an interpretation of the Boundary treaty of 1881 between Chile and Argentina.

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