Incomplete Record. Flows SE to the S coast of Saint Lawrence Island, 1.3 mi NE of Southwest Cape, 34 mi. SE of Gambell.
Eskimo name reported in 1944 by Lawrence Kulukhan, of Gambell. Orth spelled the name "Kupangumak" as recorded at Gambell in 1965.
Iwoonut Point, Powooiliak Point, Singikpak Point, Southwest Cape,
Flats:Hills:Oklighiat Hill, Oongayuk Hill, Yaghmelngak Mountain,
Mountains:Mountain Ranges:Mamagnak Mountains, Poovoot Range,
Rivers:Boxer River, Kangeakhok River, Okok River,
Streams: