Heads at 513052N, 1790156E, flows SW to the Pacific Ocean on the S coast of Amchitka Island, Aleutian Islands.
Named for the waterfall near its mouth.
Chapel Cove, Chitka Cove, Clam Bay, Cyril Cove, Duck Cove, Duk Cove, Fumarole Cove, Landslide Cove, Makarius Bay, Sand Beach Cove, Sandy Cove, Square Bay,
Capes:Andesite Point, Banjo Point, Buoy Point, Chitka Point, Clam Point, Crown Reefer Point, Low Bluff, Peregrine Point, Petrel Point, Rifle Range Point, Saint Makarius Point, Sea Otter Point,
Islands:Amchitka Island, Column Rocks, Mex Island, Tanasux,
Lakes:Emerald Lake, Hanitxux, Silver Salmon Lake,
Streams:Bridge Creek, Falls Creek, Limpet Creek, Teal Creek, Ultra Creek, White Alice Creek,
Valleys:Cities: