Heads in the N slopes of the Mount Igikpak in Schwatka Mountains at 672500N 1545300W, flowing W and then S 425 mi. to enter Kotzebue Sound at Hotham Inlet opposite the end of Baldwin Peninsula, 7 mi. N of Kotzebue, Brooks Range
The early English name "Inland River" published by surgeon John Simpson, Royal Navy (RN), on his 1853 "Native Map," appears to be a general translation of the Eskimo name "Nunulak" which he also recorded. The name "Nunatak" could also mean "new land" or "belong to the land."