Alpine Loop

The Alpine Loop Backcountry Byway, also known as the Alpine Triangle, spans approximately 65 miles of rugged dirt roads through Colorado's San Juan Mountains. Following historic mining routes, it connects alpine basins such as Cinnamon and Engineer Pass, reaching elevations over 12,800 feet. The terrain includes steep climbs, loose rock, tight switchbacks, off-camber ledges, and exposed ridgelines--offering moderate to expert-level technical challenges for seasoned dual-sport riders. Accessible only during summer through early fall, the route demands proper preparation for harsh,...