Vyg (vĭg) [key], Finn. Uikujärvi, Rus. Vygozero, lake, c.300 sq mi (780 sq km), NW European Russia, in Karelia, between Lake Onega and the White Sea. It is fed by the Vyg River, which also drains it into the White Sea. The lake is a part of the Baltic–White Sea Canal.
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