Colorado
ExpertBlack Bear Pass Road — Silverton to Telluride via the San Juan High Loop
The switchbacks above Telluride eat rigs for breakfast.
Trail Type: Technical 4x4
Idaho
DifficultBunker Hill to Strawberry Creek — Hells Canyon Wilderness Rim via Imnaha Gorge
Basalt rim above North America's deepest gorge.
Arizona
DifficultCentennial Wash Road to Harquahala Peak — Hassayampa Desert Basin High Traverse
Smithsonian ruins at 5,681 feet above the Sonoran floor.
Oregon
DifficultSawmill Road to Cornucopia Ghost Town — Wallowa Mountains Mining Spine via Pine Creek Canyon
Oregon's ghost town the canyon wants to keep.
California
ExpertWaucoba-Saline Valley Road South — Inyo Mountains to Saline Valley Floor via Steel Pass
Steel Pass down to warm springs in Death Valley's loneliest valley.
Colorado
DifficultTincup Pass Road — St. Elmo to Tincup via the Sawatch-Elk Range Divide
Two ghost towns, one brutal alpine divide.
Montana
ExpertSchafer Meadows Road — Bob Marshall Wilderness South Fork Flathead River Drive
The Bob Marshall's back door — river fords and grizzlies.
Colorado
ExpertCorkscrew Pass to Animas Forks — Silverton High Country Loop via Picayne Gulch
Ghost towns and 13k shelf roads above Silverton.
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.
California
ModerateCoyote Wash to Squaw Tank — Joshua Tree Desert Backcountry Jeep Trail via Pinto Basin
Desert crawl to a Cahuilla waterhole.