flows NW to Bonanza Creek, 11 mi. E of Flat and 53 mi. NW of Sleetmute, Kilbuck-Kuskokwim Mts.
Prospectors' name reported in 1933 by J. B. Mertie, U.S. Geological Survey (USGS).
Alder Creek, Doherty Creek, Little Creek, Long Creek, Moose Creek, Murray Creek, North Fork Otter Creek, Ruby Creek, South Fork Otter Creek,