heads in Darby Mts., flows NE to Tubutulik River, 29 mi. N of Elim and 50 mi. SE of Imuruk Lake, Seward Peninsula High.
Prospectors' name reported in 1909 by Smith and Eakin (1911, pl. 1), U.S. Geological Survey (USGS).
Admiral Creek, Big Creek, Boulder Creek, Boulder Creek, Butte Creek, Carbon Creek, Caribou Creek, Chukajak Creek, Clear Creek, Granite Creek, Grouse Creek, Haven Creek, Jones Pup Creek, Lost Creek, Moonlight Creek, Otter Creek, Rock Creek, Vulcan Creek,
Valleys: