USA
EasyThunder Basin Grassland Trail
High plains crossing through America's largest grassland
Trail Type: Overland Route
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.
Montana
ModerateBlackfoot River to Lincoln Backcountry Road
Follow miners' tracks along Montana's famous river.
Idaho
DifficultMiddle Fork Salmon River Mining District Road
Gold rush route into Idaho's deepest wilderness
Idaho
ModerateNez Perce Trail – Weippe to Kooskia Historic Route
Lewis and Clark's actual route through Nez Perce country