Montana
ModerateTaylor Fork to Hilgard Basin
Madison Range high country to historic lodge ruins
Trail Type: Overland Route
Idaho
ModerateNez Perce Trail – Camas Prairie Section
Chief Joseph's route across Idaho's high prairie
USA
ModerateTogwotee Pass to Brooks Lake Historic Freight Road
Historic freight route to Teton wilderness
USA
EasyThunder Basin Grassland Trail
High plains crossing through America's largest grassland
Idaho
ModerateBoise National Forest Scott Mountain Road
Remote mining district connector through Idaho timber
USA
ModerateCastle Divide Road
Wyoming's forgotten alpine mining country traverse
Montana
ModerateCentennial Valley to West Yellowstone Historic Route
Railroad grade through Montana's most remote valley
Idaho
ModerateYankee Fork Road
Gold rush relics and creek crossings in Idaho backcountry
USA
ModerateWind River Range Southern Access Road
Gateway to Wyoming's granite wilderness high country
USA
ModerateSeminoe Mountains Mining District Loop
Uranium boom ghosts in Wyoming's high desert.