Guides / Regions / United States / Colorado
Colorado.
Last verified May 2026
Overland routes
Alpine Loop – Colorado Overland Route
difficult · 65 mi
Boreas Pass
easy · 22 mi
Buffalo Pass
moderate · 32 mi
Cache la Poudre / North Park Scenic Byway
easy · 101 mi
Cinnamon Pass
moderate · 25 mi
Collegiate Peaks Scenic Byway
easy · 57 mi
Cottonwood Pass (Colorado)
easy · 57 mi
Engineer Pass
difficult · 17 mi
Frontier Pathways Scenic and Historic Byway
easy · 103 mi
Grand Mesa Scenic Byway
easy · 63 mi
Guanella Pass Scenic Byway
easy · 22 mi
Last Dollar Road
easy · 21 mi
Ophir Pass
moderate · 9 mi
Phantom Canyon Road (Gold Belt Tour)
easy · 35 mi
Pikes Peak Highway
easy · 19 mi
Shelf Road (Gold Belt Tour)
moderate · 12 mi
Silver Thread National Scenic Byway
easy · 117 mi
Top of the Rockies National Scenic Byway
easy · 115 mi
Off-road trails
Cinnamon Pass
moderate · 25 mi
Engineer Pass
difficult · 17 mi
Hagerman Pass
difficult · 11.7 mi
Hancock Pass
moderate · 12 mi
Imogene Pass
difficult · 17.5 mi
Lead King Basin Loop (Crystal Mill)
difficult · 23 mi
Mosquito Pass
difficult · 9.5 mi
Mount Antero 4WD Road
difficult · 16 mi
Pearl Pass
difficult · 22 mi
Stony Pass
difficult · 27 mi
Tincup Pass
difficult · 13 mi
Black Bear Pass
difficult · 8.5 mi