4 mi. NW of Wild Lake and 42 mi. NW of Wiseman, Brooks Range
Named about 1930 by Robert Marshall, "because it lies at the head of the creek named for the prospector, Ben Sirr."
Mathews Dome, Sirr Mountain, Tobin Mountain,
Streams:Deadman Creek, Flat Creek, Lake Creek, Seward Creek, Sirr Creek, Spring Creek, Surprise Creek, Swamp Creek, Tobin Creek, Wolf Creek, Wolf Creek,