Lake Viedma

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Lake Viedma
from space, October 1994
Location	Santa Cruz Province (Argentina), Magallanes Region (Chile)
Coordinates	49°35′S 72°30′WCoordinates: 49°35′S 72°30′W
Lake type	periglacial lake
Primary outflows	Santa Cruz River
Basin countries	Argentina, Chile
Max length	80 km
Max width	15 km
Surface area	c. 1,500 km²
Surface elevation	250 m

Tourism map of the Southern Patagonian Ice Field, note the undefined part near Viedma Lake

Lake Viedma (Spanish: Lago Viedma), approximately 50 miles (80 kilometers) long in southern Patagonia near the border beetwen Chile and Argentina. It's a major elongated trough lake formed from melting glacial ice (lake is located at 49°35′S, 72°30′W). The lake is fed primarily by the Viedma Glacier at the western end of the lake. The Viedma Glacier measures 3 miles (5 kilometers) wide at its terminus at Lake Viedma. The brown landscape resulted from ice scouring, which left virtually no vegetation on the steep-walled valleys.

Even if most of the lake lies in Argentine territory, the western shores of the lake reaches the Southern Patagonian Ice Field in an area where the border remains undifened. Even if the Chilean claims dont reaches the shores that could change as the glacier tounges in the lake melts.

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