Texas
Difficult
Lost Maples State Natural Area Backcountry Roads
Technical Hill Country limestone maze
Surface: Rock
Texas
Moderate
Franklin Mountains Wilderness Loop
Urban wilderness desert loop with three-state views
Texas
Expert
Comanche Bluff Road
Hill Country's most technical limestone challenge
Texas
Difficult
Dolan Falls Ranch Road
Technical ranch road to pristine Hill Country falls
Texas
Difficult
Black Gap Wildlife Management Area Backcountry Roads
Chihuahuan Desert limestone ledges and washes
Texas
Extreme
Chalk Bluff Park Technical Loop
Central Texas limestone technical playground
Texas
Moderate
Longhorn Cavern State Park Backcountry Loop
Hill Country limestone maze through cedar breaks
Colorado
Moderate
Clear Creek Canyon Road
Old railroad grade to silver mining ruins
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