heads at Ongivinuk Lake, flows SW to Togiak River, 66 mi. NE of Goodnews, Kilbuck=Kuskokwim Mts.
Eskimo name reported in 1898 by (1852, map 4), Imperial Russian Navy (IRN), published it as "R(eka) Anvanyk," meaning "Anvanyk River."
Kemuk River, Narogurum River, Ongivinuk River, Tshayagaguk River,
Streams:Bruin Creek, Jondik Creek, Kipnuktuli Creek, No Lake Creek, Truman Creek,