heads at 694500N1604500W, flows NE 78 miles to Kuk River, 18 mi. S of Wainwright, Arctic Plain.
Eskimo Name reported in 1923 as "Ivisaurk" by Sidney Paige, U.S. Geological Survey (USGS); probably the same as the Eskimo "ivishaq," meaning "red paint" or "iron oxide. "
Agiak Point, Karmuk Point, Keo Point, Kilich Point, Kupluruak Point, Sigeakruk Point,
Islands:Kikikausgruak Island, Neakok Island,
Rivers:Alatakrok River, Aulatauruk River, Ivisaruk River, Omalik River,
Streams: