Colorado
Moderate
Tincup Pass Road
Continental Divide crossing via ghost town
Trail Type: High Clearance
Colorado
Moderate
Webster Pass Road
Silver boom mining road above 12,000 feet
Colorado
Moderate
Chinaman Gulch Trail
Gold rush shelf road with serious exposure
Alberta
Moderate
Porcupine Hills Trail Network
Cowboy country with Rocky Mountain views
Canada
Moderate
Cabot Trail Backcountry Extension
Maritime highlands beyond the tourist trail
Canada
Moderate
Humber Valley Heritage Road
Historic logging road through pristine river valley
Arizona
Moderate
Chinle Wash to Canyon de Chelly
Sacred Navajo canyon country and ancient ruins
Colorado
Expert
Cinnamon Pass Road
High-altitude shelf road through mining history
Colombia
Moderate
Chicamocha Canyon Rim Drive
Colombia's Grand Canyon rim adventure
Caldas
Difficult
Nevado del Ruiz Volcano Circuit
Coffee country to active volcano crater