The Nushagak River is a river in southwest Alaska, United States. It begins in the Alaska Range and flows southwest 450 km (280 mi) to Nushagak Bay, an inlet of Bristol Bay, east of Dillingham, Alaska.
The Mulchatna River is a major tributary. Other navigable tributaries include the Nuyakuk River and the King Salmon River.
Jet-boats are commonly used to access these tributaries and the upper Nushagak. The Wood River, Iowithla River and the Kokwok River are smaller tributaries.
The villages of Portage Creek, Ekwok, Koliganek and New Stuyahok are on the river. The town of Dillingham is on Nushagak Bay.
Five species of Pacific salmon (Chinook, coho, sockeye, chum, and pink) spawn in the river or its tributaries. Commercial, subsistence and sport fishing are important in the area. Most notable is the annual run of king (Chinook) salmon which occurs from mid-June to mid-July. Rainbow trout, northern pike, grayling, burbot, whitefish and Arctic char are also present in the Nushagak. It is estimated that over 50% of the world's production of wild salmon is harvested in the Nushagak River and the Bristol Bay area.
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