Texas
Extreme
Chalk Bluff Park Technical Loop
Central Texas limestone technical playground
Trail Type: Technical 4x4
Colorado
Moderate
California Gulch Road
Gold rush ghosts and technical creek crossings
Colorado
Expert
Bill Moore Lake Trail
Alpine rock crawling to high mountain lake
Colorado
Moderate
Hermosa Creek Trail
Creek bed crawling through San Juan wilderness
Colorado
Difficult
Schofield Pass Road
Devil's Punchbowl technical challenge
Colorado
Expert
Black Bear Pass Road
Colorado's most terrifying shelf road descent
Colorado
Difficult
Saints John Trail
Ghost town access through serious high country
Colorado
Extreme
Argentine Pass Road
Colorado's most brutal high pass
Colorado
Difficult
Pearl Pass Road
Colorado's gnarliest high pass connection
Colorado
Expert
Ophir Pass Road
Death-defying shelf road over Continental Divide