Montana
ModerateLonesome Highway — Centennial Road to Flint Creek Valley via the Anaconda Range Bench
Big sky bench. Old copper country. No company.
Feature: Scenic
Arizona
ModeratePinery Canyon Road — Chiricahua Mountains Sky Island Crest via Onion Saddle
Sky Island spine. Jaguar country. Zero crowds.
Oregon
ModerateSawmill Road to Breakneck Meadow — Siskiyou Mountains High Divide via Grayback Mountain
Siskiyou ridgeline. Elk. No cell service.
Colorado
DifficultCrooked Creek Road to Mount Evans Backcountry — Arapaho National Forest High Country Traverse via Georgia Pass
Quiet Divide crossing above South Park's big sky.
California
ModerateCoyote Canyon Road — Anza-Borrego Desert Spring Run via Collins Valley
Desert creek crossings through Anza's old canyon.
Oregon
ModerateLonesome Highway — Siskiyou Crest Road to Ashland via Mount Ashland Spine
Two states, one crest, zero crowds.
North Dakota
ModerateLonesome Highway — Little Missouri Badlands to Marmarth via Chalky Buttes Back Road
Fossil badlands on a road the maps almost forgot.
Oregon
ModerateLonesome Highway — Owyhee Uplands to Jordan Craters via the Duck Valley Back Road
Lava craters and open desert with zero company.
South Dakota
ModerateCuster Peak Road — Black Hills High Country Drive to Fire Lookout via Deadwood Backcountry
Northern Black Hills summit with 360-degree payoff.
Arizona
EasySitgreaves Pass Road — Oatman to Kingman via Black Mountains Historic Route 66 Spine
Route 66's meanest mountain crossing.