Atchuelinguk

The Atchuelinguk River (Yup'ik Ecuilnguq, literally "clear water")
Atchuelinguk is a 165-mile (266 km) tributary of the Yukon River in the U.S. state of Alaska. It flows southwest from the Nulato Hills through the Yukon Delta National Wildlife Refuge to meet the larger river near Pilot Station.

Source: Wikipedia https://en.wikipedia.org/wiki/Atchuelinguk_River