In the Romanzof Mts., Brooks Range at the head of the Okpilak River, 13 mi SW of Mount Hubley, 9 mi. S of Mount Michelson, Brooks Range.
Leffingwell does not list this as a geographic name, but his text (1919, pl. 18) includes photographs of Okpilak Glacier. Named for the stream that heads at its foot.