Flows southeast to Yukon River, 1 mile north of Eagle Island and 45 miles southeast of Unalakleet, Nulato Hills.
Local name reported in 1949 by U.S. Coast and Geodetic Survey (USC&GS). Published as "Autokakat" and "Autokokakat" by Lieutenant Allen (USA, 1887); listed as "Auto River" by Baker (1906, p. 110).
Bullfrog Island, Eagle Island, Eagle Island, Hat Island,
Mine:Mountains:Rivers:Honeymoon Slough, Kinsell South,
Settlements:Streams:Streams:Bear Creek, Dugan Creek, Eagle Creek, Jenson Creek, Woods Creek,
Valleys: