California
Moderate
Backcountry Discovery Route – California (CABDR)
Border-to-border California backcountry odyssey
Feature: High Altitude
Montana
Expert
Continental Divide Trail – Montana Section
High-altitude wilderness spine of the Rockies
California
Difficult
Sierras to Desert Trail
Alpine peaks to desert floor through mining history
USA
Moderate
Hell’s Backbone Road
Historic bridge spanning Utah's wildest canyon country
Colorado
Difficult
Imogene Pass Road
Mining road to Colorado's sky islands
USA
Easy
Chinook Pass Highway (SR 410)
Mountain highway when the snow gates open
Colombia
Expert
Nevado del Tolima Volcanic Circuit
Volcanic moonscape meets thermal hell
Cauca
Difficult
Puracé National Park Volcanic Circuit
Active volcano circuit through Colombia's geothermal zone
Colombia
Expert
Serranía de los Churumbelos Backcountry Route
Biodiversity corridor to untouched cloud forest
Colombia
Moderate
Sierra Nevada de Santa Marta Eastern Circuit
Eastern approach to Colombia's coastal peaks