flows NW from Holmes Pass 4 mi. NW of Boreal Mtn., to North Fork Koyukuk River 39 mi. NW of Wiseman, Brooks Range
Named in 1929 by Robert Marshall (1956, p. 14) who wrote "it (the creek) cut into a deep gulch surrounded by a whole series of pyramid-shaped mountains . Consequently we called the stream 'Pyramid Creek'."
Als Mountain, Blackface Mountain, Boreal Mountain, Frigid Crags, Hanging Glacier Mountain, Katiktak Mountain, Maptigak Mountain, Moving Mountain, 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, Willow Creek,
Valleys: