on Alaska Peninsula, flows SW to Alec River, 18 mi. NW of Chignik, Aleutian Range. 9 miles long.
Name shown on a 1923 fieldsheet by R. H. Sargent, U.S. Geological Survey (USGS); "so named because of the steepsided valley bounded by castellated ridges."
Boomers Cove, Mallard Duck Bay, Schooner Bay,
Capes:Green Point, Hume Point, Mensis Point, Pilerack Point, Rocky Point,
Dams:Columbia Wards Fisheries Incorporated Dam,
Islands:Chignik Island, Three Sisters Rock,
Lakes:Mountains:Rivers:Alec River, Chignik River, Clark River, West Fork Chignik River,
Streams:Ash Creek, Bearskin Creek, Boulevard Creek, Broad Creek, Cathedral Creek, Chiaktuak Creek, Conglomerate Creek, Cucumber Creek, Fan Creek, Home Creek, Marshinlak Creek, Metrofania Creek, Milk Creek, Parallel Creek, Whalers Creek,
Cities: