Anadyr (ənədĭrˈ) [key], river, c.695 mi (1,120 km) long, rising on the Anadyr Plateau, NE Russian Far East, and flowing S then E into Anadyr Bay, an inlet of the Bering Sea. The Anadyr basin, a lowland between the Anadyr and Koryak ranges, is mostly covered by tundra. There are gold deposits near the river's mouth. The city of Anadyr (1989 pop. 17,000), capital of Chukotka Autonomous Area, is a port on the bay.
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