along W coast of Chichagof I., on E side of Slocum Arm, 11 mi. SE of Chichagof, Alex. Arch.
HistoryNamed in 1908 by E. F. Dickins, U.S. Coast and Geodetic Survey (USC&GS), for "the waterfall located on the outlet of Waterfall Lake." The name was published in the 1908 Coast Pilot (p. 172).
Black Rock, Fortuna Reefs, Guide Rock, Khaz Breakers, Middle Breaker, Morskoi Rock, Ninefoot Shoal, Olga Rock, Sea Rock, Vincent Reef,
Bays:Black Bay, Double Cove, Douglass Bay, Elf Cove, Falcon Arm, Flat Cove, Ford Arm, Hidden Cove, Island Cove, Kalinin Bay, Khaz Bay, Kimshan Cove, Klag Bay, Patterson Bay, Rocky Bay, Salisbury Sound, Sea Lion Bay, Sinitsin Cove, Slocum Arm, Waterfall Cove,
Capes:Point Kruzof, Point Leo, Cape Georgiana, Clearing Point, Copper Point, Fortuna Point, Fox Point, Kalinin Point, Khaz Head, Khaz Peninsula, Khaz Point, Klokachef Point, Maud Point, Quit Point, Reynard Point, Rose Point, Round Point, Scraggy Point, Point Slocum, Slope Point, Takeena Peninsula, Trap Point, Point Vincent,
Channels:Elbow Passage, Fortuna Strait, The Gate, North Arm Hoonah Sound, Piehle Passage, Rough Channel, Smooth Channel,
Islands:Baird Island, Breaker Number Two, Channel Island, Deuce Island, Dippy Island, Eagle Rock, Fitz Island, Goloi Islands, Gray Rock, Klag Island, Klokachef Island, Krugloi Islands, Leo Island, Paulina Island, Port Island, Ramp Island, Round Island, Rowe Island, Shale Island, Sinitsin Island, Twin Island, Vorota Island,
Lakes:Lake Anna, Black Lake, Lake Leo, Rust Lake, Sister Lake, Lake Suloia, Lake Surprise, Waterfall Lake,
Mine:Hirst-Chichagof Mine (historical),
Mountains:Doolth Mountain, Flat Top Mountain, Freeburn Mountain, Mount Georgiana, Hirst Mountain, Khaz Peak, Mount Lydonia, Pinnacle Peak, Rust Mountain, Whitestripe Mountain, Williams Hill,
Rivers:Streams: