Located on west bank of Killik River 9 miles southwest of its junction with Okokmilaga River, Brooks Range.
Eskimo name recorded by Orth in 1956, at Anaktuvuk Pass, as "Imnaitchiak," meaning "young (Dall) sheep."
Imnatchiak Bluff, Kikakpak Bluff, Sivogakruak Bluff,
Rivers:Middle Fork Okpikruak River, Okokmilaga River,
Streams: