heads at Bonanza Hills, flows SW to Mulchatna River, 50 mi. NW of Nondalton, Alaska Range; 28 miles long.
Local name reported in 1954 by U.S. Geological Survey (USGS); derived from the Bonanza hills at the head of the stream.
Marys Mountain,
Big Bonanza Creek, Bonanza Creek, Summit Creek,
Whitefish Lake,