O'Higgins Lake (Chile) / San Martín Lake (Argentina)

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The lake known as O'Higgins in Chile and San Martín in Argentina, is located around coordinates 48°50′S 72°36′W in the Patagonia, between the Aysén Region and the Santa Cruz Province.

Its surface is of 1,058 km² at 250 metres above mean sea level, and has a shoreline length of 525 km. The lake is the deepest in the Americas with a maximum depth of 836 metres near O'Higgins Glacier[1], and its characteristic milky light-blue color comes from rock flour suspended in its waters. It's mainly fed by the Mayer River and other streams, and its outlet Pascua River discharges water from the lake towards the Pacific Ocean at a rate of 510 m³/s. The Southern Patagonian Ice Sheet extend from the lake for 330 kilometres to the Viedma Lake and Argentino Lake. The O'Higgins Glacier flows eastwards towards the lake, as does the Chico Glacier.
Wikipedia article: http://en.wikipedia.org/wiki/San_Martín_Lake
Nearby cities:
Coordinates:   48°47'6"S   72°39'59"W

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