S of Alaska Penin, 4 mi. E of Cape Kumliun and 27 mi. SW of Cape Kunmik, Aleutian Range
Eskimo name published as "I(le) Ouna-nighmack" by von Krusenstern (1827, map 20), Imperial Russian Navy (IRN), and as "O(strov) Unavikhshak" by the Russian Hydrographic Dept. (1847, Chart 1379).
Flat Top Rock, Kak Island, Nakchamik Island, Unavikshak Island,
Rivers:Streams: