heads in Lisburne Hills, flows SW to Kukpuk River, E of Kugirarok Creek, 18 mi. N of Cape Thompson, Arctic Slope. 10 miles long.
Eskimo name spelled "Igrouwowalik" in 1960 by D. C. Foote in connection with Project Chariot studies. U.S. Geological Survey (USGS) published the name as spelled in 1964.