Idaho
DifficultGrangeville to Riggins Backcountry Route
Deep wilderness route through Idaho's roadless heart
Trail Type: Backcountry
Montana
ModerateBoulder River Road to Natural Bridge
Limestone arch carved by mountain time
USA
ModerateMosquito Creek Road
Absaroka wilderness access to mining ghost camps
Montana
DifficultBitterroot Mountains Poker Creek Road
Abandoned gold camps and Continental Divide views
USA
DifficultChief Joseph Scenic Highway Backcountry Loop
Alpine mining roads above the tourist highway
USA
EasyOld Faithful to Shoshone Lake Backcountry Road
Restricted thermal road to Yellowstone's backcountry
Montana
ModerateGardiner to Cooke City High Route
Gold rush wagon road through grizzly country
USA
DifficultSierra Madre Range Road
Wyoming's forgotten mountain spine
Idaho
ModerateThunder Mountain Mining District Road
Gold rush ghost town in the Frank Church Wilderness
Montana
ModerateBlackfoot River to Helmville Mining Road
Gold rush wagon road through Montana mining country.