California
ModerateBunny Flat to Sand Flat — Mount Shasta Volcanic Rim Road
Shasta's flanks, pumice, and zero mercy.
Surface: Gravel
Oregon
DifficultRogue River Back Road — Prospect to Agness via Wild Rogue Canyon Rim
Wild Rogue canyon. One lane. No room for error.
California
ModerateMendocino Pass Road — Eel River Divide to Covelo via Coast Range Crest
Coast Range crest. No crowds. No signal.
USA
EasyTranscontinental Railroad Grade Road — Promontory Summit to Golden Spike NHS
Where the golden spike met the great desert.
Oregon
ModerateNestucca River Road — Coast Range Corridor to Beaver via Pacific City Backroads
Oregon's quiet coast range river run.
USA
EasyWedge Overlook Road — San Rafael Swell Canyon Rim
Utah's Little Grand Canyon — no crowds, no guardrails.
Oregon
ModeratePainted Hills to Picture Gorge — John Day River Basin Backcountry Loop
Fossil beds, painted badlands, and empty Oregon rangeland.
California
DifficultCoyote Flat Road — Big Pine to Coyote Flat via Westgard Pass Divide
Owens Valley to alpine silence at 11,000 feet.
USA
ModerateCottonwood Canyon Road — Tooele County Salt Flats to Simpson Springs via Pony Circuit
Bryce to Kanab through empty mesa and canyon country.
Oregon
EasyAlvord Desert Playa to Fields Station — Steens Mountain East Escarpment Base
A mile-high fault wall and an alkali desert floor.