Colorado
ModerateSlumgullion Pass to Spring Creek Pass — San Juan Skyway High Country Connector
Two passes, one living landslide, zero crowds.
Feature: Historic
Nevada
DifficultCalico Mountains Wilderness Loop — Black Rock Desert Rim to High Rock Canyon
Volcanic walls, playa dust, and zero cell bars.
Colorado
DifficultLonesome Lake Trail — Bob Marshall Wilderness South Fork Approach via Benchmark
Engineer Pass: where the shelf road gets serious.
Arizona
ModerateSchnebly Hill Road — Sedona’s Red Rock Rim to Interstate 17 via Munds Mountain
Sedona's red rock back door to the Rim.
Colorado
ModerateMineral Belt Trail — Leadville’s Historic Mining Loop via Iowa Gulch
Silver boom ruins at 10,200 feet.
Oregon
EasyBarlow Road — Mount Hood’s Historic Oregon Trail Bypass via Timberline
Oregon Trail wagon ruts you can still drive.
California
DifficultWaypoint to Wildrose Peak — Death Valley’s Charcoal Kilns and Panamint Crest Road
Kilns, crest, and Death Valley solitude.
Idaho
DifficultLolo Motorway — Lewis and Clark’s War Road Across the Bitterroots
100 miles on the ridge Lewis and Clark barely survived.
Colorado
DifficultCinnamon Pass Road — Lake City to Silverton via the Alpine Loop
12,620 feet of raw San Juan shelf road.
Colorado
ModerateBowen Gulch to Grand Ditch Road — Never Summer Mountains Wilderness Edge Traverse
Hand-dug canal road above 10,000 feet. Moose country.