North Dakota
ModerateLonesome Highway — Little Missouri River Badlands to Medora via Burning Coal Vein Road
Badlands clay, wild horses, and a coal seam that won't quit.
Surface: Gravel
USA
DifficultLonesome Highway — Centennial Road to Tensleep Canyon via the Bighorn National Forest North Fork and Porcupine Creek Divide
Basin to canyon — Bighorn backcountry at its loneliest.
USA
ModerateSawmill Road to Bald Mountain — Uinta High Uinta Wilderness Subalpine Approach via Mirror Lake
Top of Utah's east-west range.
USA
ModerateLonesome Highway — Centennial Road to Meeteetse via the Wood River Bench and Oregon Basin
Badlands, oil fields, and forgotten Wyoming.
New Mexico
ModerateZuni-Acoma Trail Road to McGaffey Lookout — Cibola National Forest High Rim via Oso Ridge
Zuni Mountains high rim above Gallup.
Colorado
DifficultNellie Creek Road to Engineer Mountain — Uncompahgre Wilderness Subalpine Approach via Henson Creek
Shelf road to the San Juan subalpine — no room for second thoughts.
Texas
ModerateLonesome Highway — Centennial Road to Big Bend Basin via Persimmon Gap and the Dead Horse Mountains
Comanche country — 26 miles of Chihuahuan Desert solitude.
New Mexico
ModeratePoison Canyon Road to El Malpais — Zuni-Acoma Lava Field Desert Rim via Cebolita Mesa
Lava field rim run in the New Mexico badlands.
USA
ModerateLonesome Highway — Centennial Road to Meeteetse via the Absaroka Front and Greybull River Bench
Badlands, benchlands, and the Absaroka wall.
USA
DifficultLonesome Highway — Teton Pass Road to Victor via Coal Creek Summit Backdoor
The Tetons summit nobody's driving but you.