207 passes
- Argentine Pass Unknown
- Imogene Pass Unknown
- Trimble Pass Unknown
- Black Bear Pass Unknown
- Engineer Pass Unknown
- Hurricane Pass Unknown
- Pearl Pass Unknown
- Columbine Pass Unknown
- Cinnamon Pass Unknown
- Pawnee Pass Unknown
- Hunchback Pass Unknown
- Buckskin Pass Unknown
- Jones Pass Unknown
- Storm Pass Unknown
- Cony Pass Unknown
- Frigid Air Pass Unknown
- Trail Rider Pass Unknown
- West Maroon Pass Unknown
- (unnamed pass) Unknown
- Gunsight Pass Unknown
- Cottonwood Pass Unknown
- Independence Pass Seasonal
- Granite Pass Unknown
- Boulder-Grand Pass Unknown
- French Pass Unknown
- Kokomo Pass Unknown
- Cumberland Pass Unknown
- Loveland Pass Closed
- Sharkstooth Pass Unknown
- Hagerman Pass Unknown
- Arapaho Pass Unknown
- Rogers Pass Unknown
- Buchanan Pass Unknown
- Iceberg Pass Unknown
- Caribou Pass Unknown
- Fall River Pass Unknown
- Ophir Pass Unknown
- Ptarmigan Pass Unknown
- Devils Thumb Pass Unknown
- Rollins Pass Unknown
- Guanella Pass Unknown
- Stormy Peaks Pass Unknown
- Georgia Pass Unknown
- Hoosier Pass Unknown
- Slumgullion Pass Unknown
- Timberline Pass Unknown
- Boreas Pass Unknown
- (unnamed pass) Unknown
- Old Monarch Pass Unknown
- Fremont Pass Unknown
- Berthoud Pass Unknown
- Monarch Pass Unknown
- Cordova Pass Unknown
- Cordova Pass Unknown
- Shrine Pass Unknown
- Castle Pass Unknown
- Juniper Pass Unknown
- Red Mountain Pass Unknown
- Montgomery Pass Unknown
- Molas Pass Unknown
- Spring Creek Pass Unknown
- Wolf Creek Pass Unknown
- Marshall Pass Unknown
- (unnamed pass) Unknown
- Milner Pass Unknown
- Schofield Pass Unknown
- Vail Pass Unknown
- Stillwater Pass Unknown
- Coal Bank Pass Unknown
- Los Pinos Pass Unknown
- Tennessee Pass Unknown
- Ripple Creek Pass Unknown
- Buffalo Pass Unknown
- Anthracite Pass Unknown
- Storm Pass Unknown
- Cameron Pass Unknown
- La Manga Pass Unknown
- Lizard Head Pass Unknown
- Tenderfoot Pass Unknown
- La Poudre Pass Unknown
- Carnero Pass Unknown
- North Pass Unknown
- Owl Creek Pass Unknown
- Ohio Pass Unknown
- Red Hill Pass Unknown
- Cochetopa Pass Unknown
- Cumbres Pass Unknown
- Kebler Pass Unknown
- Kenosha Pass Unknown
- Hankins Pass Unknown
- Elk Basin Pass Unknown
- Minnesota Pass Unknown
- Medano Pass Unknown
- Medano Pass Unknown
- Cucharas Pass Unknown
- Dunckley Pass Unknown
- Willow Creek Pass Unknown
- Old Rabbit Ears Pass Unknown
- Gore Pass Unknown
- Wilkerson Pass Unknown
- Currant Creek Pass Unknown
- Rabbit Ears Pass Unknown
- Pass Creek Pass Unknown
- La Veta Pass Unknown
- Trout Creek Pass Unknown
- Ute Pass Unknown
- Columbine Pass Unknown
- Wind River Pass Unknown
- Hardscrabble Pass Unknown
- Poncha Pass Unknown
- Arapaho Pass Unknown
- Cottonwood Pass Unknown
- McClure Pass Unknown
- Muddy Pass Unknown
- Promontory Divide Unknown
- Baxter Pass Unknown
- Jones Summit Unknown
- Douglas Pass Unknown
- Cerro Summit Unknown
- Yellowjacket Pass Unknown
- Chukar Pass Unknown
- Tennessee Pass Unknown
- Milner Pass Unknown
- La Poudre Pass Unknown
- Baker Pass Unknown
- Bowen Pass Unknown
- Illinois Pass Unknown
- Troublesome Pass Unknown
- Union Pass Unknown
- Missouri Pass Unknown
- Andrews Pass Unknown
- Indiana Pass Unknown
- The Notch Unknown
- (unnamed pass) Unknown
- Ute Pass Unknown
- Gunsight Pass Unknown
- Mandall Pass Unknown
- Williams Pass Unknown
- Taylor Pass Unknown
- Knee Knocker Saddle Unknown
- Vasquez Pass Unknown
- California Pass Unknown
- Corkscrew Pass Unknown
- Halfmoon Pass Unknown
- Weston Pass Unknown
- Icefield Pass Unknown
- Sprague Pass Unknown
- Dallas Divide Unknown
- Fancy Pass Unknown
- Red Dirt Pass Unknown
- Thunder Pass Unknown
- Denver Pass Unknown
- East Maroon Pass Unknown
- Copper Pass Unknown
- Conundrum Pass Unknown
- Coffeepot Pass Unknown
- Paradise Divide Unknown
- Oh-Be-Joyful Pass Unknown
- Angel Pass Unknown
- Sams Divide Unknown
- Hoodoo Gap Unknown
- The Loft Unknown
- Swampy Pass Unknown
- Gill Creek Divide Unknown
- Unaweep Divide Unknown
- Black Sage Pass Unknown
- Napoleon Pass Unknown
- Inter-Ocean Pass Unknown
- Beckwith Pass Unknown
- Mosquito Pass Unknown
- Meadow Pass Unknown
- (unnamed pass) Unknown
- Broken Hand Pass Unknown
- Triangle Pass Unknown
- Blue Lakes Pass Unknown
- Grizzly Pass Unknown
- (unnamed pass) Unknown
- Crooked Creek Pass Unknown
- Yule Pass Unknown
- Daisy Pass Unknown
- Bolam Pass Unknown
- Kennebec Pass Unknown
- Calamity Pass Unknown
- Chalk Creek Pass Unknown
- San Fransisco Pass (East) Unknown
- Black Powder Pass Unknown
- Trinchera Pass Unknown
- Red Buffalo Pass Unknown
- Tomichi Pass Unknown
- San Luis Pass Unknown
- Fall Creek Pass Unknown
- Devils Thumb Pass Unknown
- Eccles Pass Unknown
- The Keyhole Unknown
- Gates of Lodore Unknown
- Webster Pass Unknown
- Lujan Pass Unknown
- Moon Pass Unknown
- Ute Pass Unknown
- San Francisco Pass Unknown
- Mosca Pass Unknown
- Blue Mesa Summit Unknown
- Waunita Pass Unknown
- Mestaa’ėhehe Pass Unknown
- Hancock Pass Unknown
- Tin Cup Pass Unknown
- Donner Pass Unknown