flows to Kala Slough, 34 mi. E of Nulato, Koyukuk Low. 17 miles long.
Local name reported in 1954 by U.S. Geological Survey (USGS).
Cat Island, Cook Island, Hen Island, Jimmy Island, Lark Island, Serpentine Islands,
Rivers:Bessy Slough, Kala Slough, Louden Slough,
Streams:Streams:Bear Creek, Beaver Creek, Cub Bear Creek, Galena Creek, Kala Creek, Kinkaid Creek, Whakatna Creek,