Heads on Alapah Mountain at 680750N, 1500500W, trends NNE to the Head of an unnamed tributary of the Nanushuk River 3 mi W of Cockedhat Mountain, Brooks Range.
East Alapah Glacier, West Alapah Glacier,
Mountains:Alapah Mountain, Als Mountain, Blackface Mountain, Cockedhat Mountain, Ear Peak, Katiktak Mountain, Limestack Mountain, Maptigak Mountain, Marshmallow Mountain, Slatepile Mountain, Twoprong Mountain, Mount Wachsmuth,
Mountain Passes:Streams:Alinement Creek, Bombardment Creek, Grizzly Creek, Irish Creek, Kayak Creek, Kenunga Creek, Tributary Creek,
Valleys: