Lake Viedma

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Lake Viedma from space, October 1994
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Lake Viedma from space, October 1994

Lake Viedma, approximately 50 miles (80 kilometers) long in extreme southwestern Argentina, is 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.