69 ° 46' 49.001" N,
151 ° 33' 16.999" W
North Slope
262 ft (79.86 m)
on W bank of Colville river, 31 mi. NE of Umiat, Arctic Plain.
HistoryEskimo name meaning "big end one /isukpak/" reported in 1956 by T. E. Tayor, U.S. Geological Survey (USGS).