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|Viedma Lake / Lago Viedma|
from space, October 1994
|Location||Lago Argentino Department, Santa Cruz Province (Argentina) / [disputed] Última Esperanza Province, Magallanes and Antártica Chilena Region (Chile)|
|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|
Viedma Lake (Spanish: Lago Viedma, Spanish pronunciation: [laɣo ˈβjeðma]), 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.
The name of the lake comes from the Spanish explorer Antonio de Viedma, who in 1783 reached its shores, being the first European to do so.
Lake Viedma is fed primarily by the Viedma Glacier at its the western end. 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.
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