at head of Iowithla River, in Muklung Hills, 24 mi. NE of Dillingham, Kilbuck-Kuskokwim Mts.
Name applied in 1910 by H. C. Fassett, U.S. Bureau of Fisheries (USBF), to a lake at the head of the Iowithla River, which lake is not shown on present-day maps.
Aiuwathlok Kagati, Ka-ki-ak-tu-dli-ok, KanukaNanyvuk Lake, Oiluluk Lake, Okstukuk Lake, Oksuguokok Lake,
Mountain Ranges:Muklung Hills, Okstukuk Hills,
Streams:Ahguhlerok Creek, Kemamguyguok Creek, Kenakuchuk Creek, Ku-gat-gui-gut,