Texas
Moderate
Longhorn Cavern State Park Backcountry Loop
Hill Country limestone maze through cedar breaks
Feature: Remote
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
Moderate
Webster Pass Road
Silver boom mining road above 12,000 feet
Colorado
Difficult
Saints John Trail
Ghost town access through serious high country
Colorado
Moderate
Chinaman Gulch Trail
Gold rush shelf road with serious exposure
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