heads in Lisburne Hills, flows NE and NW to Chukchi Sea, 11 mi. E of Cape Lisburne, Arctic Slope. 14 miles long.
Eskimo name published by Archdeacon Stuck (1920, p.156) as Iyagatak. The present spelling appears to be based on that shown as "Aiaugatak" by D. C. Foote, of Project Chariot. The name is reported to refer to a "T-pole."