Anvik River
The Anvik River () (Yup'ik: Tuilnguq) is a 140-mile (230 km) tributary of the Yukon River in the U.S. state of Alaska. It
flows southeast from the Nulato Hills to its mouth on the larger river 1.5 miles (2.4 km) north of Anvik.
The watershed is classified is characterized by seasonal flooding, high sediment loads, and permafrost influence. Geological surveys describe the Anvik-Andreafski region as dominated by schist, quartzite, and alluvial deposits, which contribute to the river's sediment load and seasonal flow variations. The river's annual discharge patterns significantly impact fish ...
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Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.