N of Iliamna Lake on Newhalen River, 4 mi. NW of Iliamna, Alaska Range
Named published as "Petroff Falls" by Osgood (1904, P. 11-12), U.S. Department of Agriculture (USDA).
Dog Island, Jackrabbit Island, Tenmile Island,
Lakes:Alexcy Lake, Negro Lake, Old Roadhouse Lake, Pike Lake, Schoolhouse Lake, Sixmile Lake,
Mountains:Rivers:Newhalen River, Tazimina River,
Streams:Bear Creek, Pete Andrews Creek, Roadhouse Creek,
Cities:Fish Village, Iliamna, Seversens,
Waterfalls: