extends SW from West Fork Glacier to junction of Canyon Creek and Nenana River, 50 mi. SE of Healy, Alaska Range
Named locally for George Monahan, prospector; name reported in 1913 by J. W. Bagley, U.S. Geological Survey (USGS).
Monahan Flat,
Butte Lake, Siksik Lake,
Nenana Mountain,
Canyon Creek, Monahan Creek, Thief Creek,