Taymyra or Taimyra (both: tĪmēˈrə) [key], river, c.400 mi (640 km) long, rising in the center of the Taymyr Peninsula, N Siberian Russia. It flows NE through Lake Taymyr (c.2,700 sq mi/6,990 sq km) and into the Taymyr Gulf of the Kara Sea. Taymyr Island is near its mouth.
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