flows S from Ernie Pass to North Fork Koyukuk River, 28 mi. SE of Anaktuvuk Pass and 39 mi. NW of Wiseman, Brooks Range. 14 miles long.
Named about 1930 by Marshall (1956, p. 7, 8) for "Ernie Johnson of Bettles, the most famous trapper of the North Fork * * * ."
Als Mountain, Blackface Mountain, Boreal Mountain, Frigid Crags, Hanging Glacier Mountain, Katiktak Mountain, Limestack Mountain, Maptigak Mountain, North Peak, Redstar Mountain, Slatepile Mountain,
Mountain Passes:Ernie Pass, Gates of the Arctic, Holmes Pass, Peregrine Pass,
Streams:Bombardment Creek, Cladonia Creek, Ernie Creek, Fish Creek, Fishless Creek, Grizzly Creek, Irish Creek, Kachwona Creek, Kenunga Creek, Pyramid Creek, Saint Patricks Creek, Shushalluk Creek, Tributary Creek,
Valleys: