Nushagak River
 The Nushagak River (Iilgayaq in Central Alaskan Yup'ik) is a river in southwest Alaska USA. 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.