Idaho
DifficultGrave Peak Lookout Road — Selway-Bitterroot Wilderness Edge via Elk Summit
Idaho's loneliest fire lookout road.
Surface: Dirt
Idaho
DifficultCuster Motorway Adventure Road — Challis to Patterson via the Salmon River Mountains Spine
CCC shelf road above the Salmon — narrow, raw, real.
Arizona
EasyDome Rock to Quartzsite — Kofa Mountain Bajada Desert Traverse via Palm Canyon Road
Kofa's palm canyon buried in Arizona's hardest desert.
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.
Arizona
DifficultLonesome Highway — Centennial Wash to Harquahala Mountain via Hassayampa River Plain
Sonoran Desert sky island — no crowd, no mercy.
South Carolina
ModerateSwamp Fox Passage to Hellhole Bay — Francis Marion National Forest Pineland Loop
Swamp roads where the Swamp Fox once hid.
USA
DifficultGlacier Ridge Trail — Bighorn National Forest High Road via Tensleep Canyon Rim
Bighorn ridgeline above the cloud line.
Nevada
DifficultTobin Range Road — Battle Mountain to Unionville via the Humboldt Basin Desert Spine
Twain country, sagebrush, and total silence.
Texas
DifficultBig Bend River Road West — Presidio to Santa Elena Canyon via Rancherias Loop
Rio Grande borderland. No pavement, no crowds.
Colorado
ModerateChimney Rock to Dolores River Canyon — McPhee Reservoir to Cahone via Disappointment Valley
Colorado canyon country with zero crowds.