Flows SW 1.7 miles to the Chukchi Sea, 2.9 mi NW of Cape Thompson, Arctic Slope.
Eskimo name meaning "end " or "last one" reported in 1950 by U.S. Coast and Geodetic Survey (USC&GS) as "Es=sook."
Cape Thompson, Crowbill Point,
Cliffs:Agate Rock, Artigotrat, Imnakpak Cliff,
Hills:Akoviknak Mountain, Angayukak Hill, Inukpak Rock,
Lakes:Akoviknak Lagoon, Kemegrak Lagoon, Lake Makpik,
Mountain Ranges:Streams:Agarak Creek, Amaktusak Creek, Angayukak Creek, Ibrulikorak Creek, Ikijaktusak Creek, Ilyirak Creek, Imikrak Creek, Isuk Creek, Kunuk Creek, Nalakachak Creek, Nasorak Creek, Ogsachak Creek,