5 mi. NE of Fortress Mtn. and 42 mi. NW of Anaktuvuk Pass, Arctic Slope
So named by U.S. Geological Survey (USGS) geologists about 1950 "because of the characteristic horseshoe shape of the feature."
Castle Mountain, Fortress Mountain, Hatbox Mesa, Horseshoe Mountain,
Mountain Passes:Mountain Ranges:Streams:Aucella Creek, Canoe Creek, Castle Creek, Chert Creek, Fortress Creek, Notch Creek, Speedway Creek,