Kuskokwim

Kuskokwim (kŭs`kōkwĭm), river, c.650 mi (1,046 km) long, rising on the northwest slopes of the Alaska Range, central Alaska, and flowing SW to the Bering Sea. The shores of the river are mostly forested or uninhabited. Fur trapping and fishing are the principal activities along the Kuskokwim River.

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Kuskokwim

a river in SW Alaska, rising in the Alaska Range and flowing generally southwest to Kuskokwim Bay an inlet of the Bering Sea. Length: about 970 km (600 miles)

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Kuskokwim 

a river in western Alaska, USA, second in size to the Yukon. Length, 1,300 km; basin area, 130,000 sq km. It is formed by the confluence of the North Fork (the main branch), originating in the northern spurs of the Kuskokwim Mountains, and the South Fork, flowing down from the Alaska Range.

The Kuskokwim River flows through sparsely populated tundra in a broad floodplain valley that is submerged during summer high water; as it cuts through the Kuskokwim Mountains, it becomes full of rapids. The river falls into Kuskokwim Bay in the Bering Sea, forming an estuary. It is fed primarily by snow. The average water discharge at Crooked Creek is 1,280 cu m per sec. For six months of the year, the Kuskokwim is covered with ice. It is navigable by riverboat for 800 km from the mouth.