flows SE from Blackface Mtn. to Ernie Creek, 25 mi. SE of Anaktuvuk Pass, Brooks Range. 2.5 miles long.
Named in 1930 by Rovert Marshall for a local long-time prospector, Charlie Irish, "who first explored this creek."
East Alapah Glacier, West Alapah Glacier,
Lakes:Mountains:Alapah Mountain, Als Mountain, Blackface Mountain, Boreal Mountain, Cockedhat Mountain, Mount Doonerak, Frigid Crags, Hanging Glacier Mountain, Katiktak Mountain, Limestack Mountain, Maptigak Mountain, North Peak, Slatepile Mountain,
Mountain Passes:Ernie Pass, Gates of the Arctic, Holmes Pass, Peregrine Pass,
Streams:Alinement Creek, Bombardment Creek, Ernie Creek, Fish Creek, Grizzly Creek, Irish Creek, Kachwona Creek, Kenunga Creek, Pyramid Creek, Saint Patricks Creek, Shushalluk Creek, Tributary Creek,
Valleys: