Idaho
DifficultCuster Motorway Adventure Road — Challis to Patterson via the Salmon River Mountains Spine
CCC shelf road above the Salmon — narrow, raw, real.
Feature: High Altitude
Nevada
ModerateToiyabe Crest National Recreation Trail Road — Big Smoky Valley to Arc Dome via Kingston Canyon
Nevada's loneliest ridgeline, sky-high and wide open.
USA
DifficultGlacier Ridge Trail — Bighorn National Forest High Road via Tensleep Canyon Rim
Bighorn ridgeline above the cloud line.
Colorado
ModerateHalfmoon Road to Mount Elbert Trailhead — Sawatch Range Subalpine Approach
Base camp for Colorado's highest ground.
USA
DifficultKellner Canyon to Tensleep Canyon — Bighorn Mountains East Face Desert Road
Bighorn's eastern face, raw and unforgiving.
Montana
ModerateBeartooth Pass North Slope Road — Red Lodge to Cooke City via Gardner Lake Spur and Line Creek Plateau
Above the Beartooth pavement where the tundra takes over.
California
ModerateBrokeoff Mountain Road — Lassen Volcanic National Park Backcountry Approach via Mill Creek Summit
Volcanic weirdness on Lassen's forgotten south side.
Montana
DifficultLonesome Highway — Centennial Mountains Divide Road to Lima via Red Rock River Valley
The divide road nobody talks about — for good reason.
USA
ModerateLonesome Highway — Bighorn Basin to Cloud Peak via Shell Canyon Road and Medicine Wheel
Sacred plateau, limestone gorge, Wyoming sky.
Australia
DifficultLake Gairdner Road — Upper Derwent Valley to Florentine Plateau via Westerway Forestry Spine
Button grass and bog above the Derwent.