DescriptionAccording to local forester Merlin Stock, Hollowtop is named for the unusual shape of the mountain when viewed from the northeast. Located at the northern end of the Tobacco Root Mountains, Hollowtop is near several historic gold mines in the Pony area. Personal NamesStock, MerlinContributing InstitutionMontana Historical Society Library and ArchivesGeolocation[1] Elevation10,604 ft. CountyMadison County