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.
Trail Type: Technical 4x4
USA
DifficultCoyote Hills to Comb Ridge — Abajo Mountains Desert Spine via Bears Ears Corridor
Jurassic spine, zero crowds, zero mercy.
Alaska
ExtremeLonesome Highway — Noatak River Valley to Aniuk Lowlands via Baird Mountains Foothills
Six million acres. No road in.
Colorado
DifficultRims Road — Dinosaur National Monument Echo Park Desert Circuit
Two rivers. One brutal clay descent.
USA
DifficultCoyote Gulch Loop — Grand Staircase-Escalante Slickrock and Arch Circuit
Utah canyon country at its most raw.
USA
ExpertElephant Hill to Chesler Park — Needles District Canyon Country Loop
Canyonlands' hardest 4x4 loop, earned.
Colorado
ExpertRed Cone Road to Webster Pass — South Park High Country Circuit via Handcart Gulch
Colorado's highest drivable summit. No room for mistakes.
Tennessee
DifficultWilderness Road to Breaks of the Sandy — Big South Fork Rim Circuit via Station Camp Creek
Sandstone gorges and forgotten homesteads.
California
ModerateBorrego Mountain Wash to Arroyo Salado — Anza-Borrego Badlands Desert Circuit via Seventeen Palms
Badlands, palms, and painted clay at the edge.
Oregon
ExpertBoldt Road to Picket Corral — Hells Canyon Wilderness Rim via Imnaha River Bench
Deepest gorge in North America. Own it.