Colorado
DifficultAlpine Loop — Animas Forks to Engineer Pass via the San Juan High Country
Four passes, three ghost towns, one brutal San Juan circuit.
Surface: Rock
Montana
ModerateBeartooth Highway North Slope Road — Red Lodge to Cooke City via Beartooth Pass Summit
America's highest paved road with gravel teeth.
USA
DifficultComb Wash to Grand Gulch — Cedar Mesa Plateau Rim via Kane Gulch Trailhead
Ruins, slickrock, and a canyon full of ghosts.
Colorado
ModerateCoyote Wash to Pinyon Mesa — Gunnison Country High Bench via Transfer Road
Forgotten mesa top between two canyon systems.
USA
DifficultCoyote Gulch to Muley Twist Canyon — Capitol Reef South Desert Circuit via Strike Valley
Strike Valley walls and Burr Trail switchbacks.
Tennessee
DifficultBreaks of the Cumberland — Big South Fork Rim Road via Station Camp Ford and No Business Creek
Appalachian gorge ford country — remote and unforgiving.
USA
ModerateNebo Loop to Bear Canyon — Uinta National Forest Wasatch Plateau Backdoor via Birdseye Pass
Nebo's raw east face — shelves, shale, and desert views.
Montana
DifficultGates of the Mountains Road to Meriwether Canyon — Helena National Forest Missouri River Backcountry via Mann Gulch
Lewis and Clark country — above the limestone gate.
California
DifficultCoyote Hills to Trap Spring — Owens Peak Wilderness Desert Bench via Indian Wells Canyon
Sierra desert canyon — no pavement, no mercy.
California
ModerateLonesome Highway — Tioga Pass to Mono Lake via Saddlebag Lake Road and Lee Vining Canyon
Sierra crest to ancient sea in 75 miles.