extends E 20 mi. from junction of Portage Arm and Mirror Bay to Tikchik Lake, 65 mi. N of Dillingham; Kilbuck-Kuskokwim Mts.
Eskimo name shown as "Nu-ya-kok" on a 1910 manuscript map by H. C. Fassett, U.S. Bureau of Fisheries (USBF); called "Second Nuyakuk Lake" in 1925 by U.S. Bureau of Fisheries (USBF).
Lake Chauekuktuli, Grant Lake, Lake Kulik, Mikchalk Lake, Nuyakuk Lake,
Mountains:Agenuk Mountain, Mount Chaufchivak, Ongutvak Mountain,
Rivers:Streams:Waterfalls: