USA
ModerateLonesome Highway — Bighorn Mountains Powder River Country to Ten Sleep via the West Slope Bench
Wyoming's forgotten west slope, limestone and sage.
Surface: Mixed
Arizona
ModerateCoyote Ridge to Petrified Forest Backcountry — Painted Desert Rim Road via Blue Mesa
Ancient logs and alien badlands, no pavement.
USA
ModerateNaches Pass Road — Cascades Historic Wagon Road from Greenwater to Selah Creek via Naches River Divide
Wagon ruts to summit mud — the Cascades' oldest crossing.
Arizona
ModerateDipping Vat Road to Hannagan Meadow — Blue Range Primitive Area High Road via Centerfire Creek
Into Arizona's only undesignated roadless wild.
USA
ModerateLonesome Highway — Centennial Egg Mountains Road to Dubois via the Wind River Badlands (Wyoming)
Dinosaur badlands above the Wind River breaks.
New Mexico
ModerateOwl Bar Road to Tres Piedras — Rio Grande del Norte Rim Desert Traverse via Ute Mountain (New Mexico)
Volcanic rim above the Rio Grande gorge.
California
ModerateCoyote Wash to Squaw Tank — Joshua Tree Desert Backcountry Jeep Trail via Pinto Basin
Desert crawl to a Cahuilla waterhole.
Montana
ModerateLonesome Highway — Ruby Valley Road to Alder via the Tobacco Root Mountains Bench
Gold country dirt roads below the Tobacco Roots.
California
DifficultLonesome Highway — Owens Valley to White Mountain Peak via Barcroft Road
Highest drivable road in the lower 48.
Colorado
DifficultPoverty Flat Road to Idarado Mine — Uncompahgre Gorge Rim to Red Mountain Pass Backdoor
Mining ruins and shelf roads above Ouray's box canyon.