flows SW 16 mi. to Black Lake, 28 mi. NW of Chignik, on Alaska Penin; Bristol Bay Low.
name reported in 1923 by R. H. Sargent, U.S. Geological Survey (USGS); so called because the creek heads in Purple Crater.
Alec River, West Fork Chignik River,
Streams:Ash Creek, Bearskin Creek, Blueberry Creek, Chiaktuak Creek, Crater Creek, Cucumber Creek, Fan Creek, Fireweed Creek, Milk Creek, Rapid Creek,
Valleys: