Lake Viedma

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Lake Viedma
Lake Viedma - from space, October 1994
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. 1,088 km²
Surface elevation 250 m

Lake Viedma (Spanish: Lago Viedma), approximately 50 miles (80 kilometers) long in southern Patagonia near the border between 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 is a result of ice scouring, which left virtually no vegetation on the steep-walled valleys.

Although most of the lake lies in Argentine territory, the western shores of the lake reach the Southern Patagonian Ice Field in an area where the border remains undefined. Even if the Chilean territorial claims don't reach the shores, that could change as the glacial tongue in the lake melts.

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