heads near Sids Pass, flows NW to Lower Ugashik Lake, 25 mi. SE of Ugashik, Aleutian Range. 18 miles long.
Descriptive name given in 1922 by R. H. Sargent, U.S. Geological Survey (USGS), because of "the black walls of the canyon at its head."
Elizabeth Lake, Lenora Lake, Lower Ugashik Lake, Upper Ugashik Lake,
Mountains:Streams:Alai Creek, Black Creek, Crooked Creek, Deer Creek, Goblet Creek, Kialagvik Creek,