Vishera River, Komi Republic
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Vishera (Vyshera) River (Вишера (Вышера) in Russian) is a river in the Komi Republic in Russia, right tributary of the Vychegda River. It is 247 km in length. The area of its drainage basin is 8,780 km². The Vishera River freezes up in November and stays under the ice until April.