| Number - Roads | Attributes | Location |
|---|---|---|
| 21 Road | Extreme | Fruita |
| BLM8380 | Easy, Trailheads | Eagle |
| FR416 | Easy | Gardner |
| Lake Cnty 10 | Easy | Leadville |
| Wolford Mountain OHV1, BLM29500 | Easy | Kremmling |
| Wolford Mountain OHV2, BLM29516 | Easy | Kremmling |
| Top A - Roads | Attributes | Location |
| Acme Creek | Easy | Red Feather Lakes |
| Alamosa Canyon | Easy, Scenic, Historic | Alamosa |
| Alder | Easy | South Fork |
| Alder Creek | Easy, Mining, Historic | Villa Grove |
| Alpine Plateau | Easy, Scenic | Lake City |
| Alpine Tunnel | Easy, Historic, Scenic | Buena Vista and Pitkin |
| Alta | Easy, Historic | Telluride |
| American Basin | ||
| American City | Central City | |
| American Flag Mountain | Easy, Scenic | Tincup / Almont |
| American Ridge | ||
| Animas Forks | Easy, Historic, Scenic | Silverton |
| Antelope Pass | Easy | Kremmling |
| Antelope Park | **CLOSED** | Lyons |
| Apex | Easy, Historic | Central City |
| Aqueduct | Easy | Winter Park |
| Arapaho Creek South Fork | Easy | Kremmling/Walden |
| Argentine Pass | Moderate, Scenic, Historic | Georgetown |
| Arrastra Gulch | Easy, Historic, Hike | Silverton |
| Aspen Mountain Road | Easy, Scenic | Aspen |
| Aspen Ridge | Easy, Scenic | Buena Vista |
| Top B - Roads | Attributes | Location |
| Bachelor Loop | Easy, Historic, Mines | Creede |
| Balarat Site | **CLOSED** | Jamestown |
| Bald Mountain | Easy, Scenic, Historic | Buena Vista |
| Baldwin Lake | Easy, Scenic | Buena Vista |
| Ball Gulch | **CLOSED** | Jamestown |
| Ballard Road | Easy, Trailhead | Rustic |
| Bangs Canyon | Moderate | Grand Junction |
| Barbour Fork | Easy | Idaho Springs |
| Bard Creek | Easy, Historic | Empire |
| Barking Dog | **CLOSED** | Jamestown |
| Battlement Mesa | Extreme | Parachute |
| Baxter Pass | Easy | Grand Junction |
| Bear Gulch | Easy | Westcliffe |
| Bear Town and Kite Lake | Moderate, Scenic, Historic | Silverton |
| Beaver Creek | Easy | Grant |
| Beaver Creek | Easy | Hot Sulphur Springs |
| Beaver Reservoir | Easy, Trailhead | Peaceful Valley |
| Benson's Cabin | Moderate | Minturn |
| Berry Creek | Difficult | Edwards |
| Biedell Creek | Easy | Del Norte |
| Big Meadows | Easy | Hot Sulphur Springs |
| Big Rock Creek | Easy | Kremmling |
| Bill Moore Lake | Difficult, Historic | Empire |
| Billings Canyon | Difficult | Grand Junction |
| Birdseye Gulch | Easy | Leadville |
| Black Bear Pass | Moderate, Scenic, Historic | Telluride |
| Black Ridge Road | Easy, Scenic | Fruita |
| Black Sage Pass | Easy | Wuanita and Pitkin |
| Blacktail Creek | Easy | Radium |
| Blair Mountain | Easy | Glenwood Springs |
| Blanca Peak | Difficult, Historic | Alamosa |
| Blue Lake | Graded | Cuchara |
| Blue Mesa Cutoff | Easy, Scenic, Historic | Gunnison |
| Bolam Pass | Easy, Scenic, Historic | Silverton / Rico |
| Bonis Creek | Easy | Jefferson |
| Boreas Pass | Easy, Scenic, Historic | Breckenridge |
| Boulder Cnty 126N | Easy | Nederland |
| Bow Ridge | Easy | Cowdrey |
| Boulder Mountain | Moderate, Scenic | Buena Vista |
| Breakneck Pass | Easy, Scenic | Fairplay |
| Bright Trail | Easy | Allenspark |
| Bristol Head | Easy, Scenic | Creede |
| Brown Mountain | Easy, Scenic | Ouray |
| Browns Gulch | Easy, Scenic | Silverton |
| Browns Lake Trail | Easy, Scenic | Buena Vista |
| Browns Pass | Easy, Scenic | Fairplay |
| Brush Creek | Easy, Scenic | Eagle |
| Buck Gulch | **CLOSED** | Meeker Park |
| Buffalo Boy Mine | Easy, Historic | Silverton |
| Buffalo Gulch | Jamestown | |
| Buffalo Pass | Easy, Scenic | Steamboat Springs |
| Buford / New Castle Road | Easy, Scenic | New Castle |
| Bull Gulch | Easy | Johnson Village, Salida |
| Bull Gulch Cutoff | Easy | Johnson Village, Salida |
| Bullion King Lake | Easy, Scenic | Silverton |
| Bunce School Road | Easy | Allenspark |
| Bunce School Cutoff | Easy | Allenspark |
| Burnett Gulch | **CLOSED** | Lyons |
| Burns Gulch | Moderate, Scenic, Historic | Silverton |
| Burnt Mountain | Easy | Basalt |
| Button Rock Loop | Easy | Lyons |
| Button Rock Reservoir | **CLOSED** | Lyons |
| Byers Park | Easy, Trailhead | Winterpark |
| Top C - Roads | Attributes | Location |
| Calamity Ridge | Easy | Rangely |
| California Gulch | Easy, Scenic, Historic | Silverton |
| Cameron Mountain Pass | Graded | Salida |
| Camp Bird Road | Graded | Ouray |
| Canyon Creek Road | Easy, Scenic, Historic | Ouray |
| Carbinero Mine | Moderate, Historic | Ophir |
| Caribou | Moderate, Historic, Scenic | Nederland |
| Carnage Canyon | Extreme | Jamestown |
| Carnero Creek | Easy, Scenic | Sagauche |
| Carson | Easy, Scenic, Historic | Lake City |
| Cascade Creek | Easy, Scenic | Idaho Springs |
| Castle Gulch | Easy, Historic, **Closed** | Jamestown |
| Castle Gulch Ridge | Moderate, **Closed** | Jamestown |
| Castle Rock Gulch | Easy | Johnson Village |
| Cathedral Bluffs | Easy, Scenic | Rangely |
| Cement Creek | Easy, Scenic | Crested Butte |
| Champion Mine | Easy | Leadville |
| Chicken Park | Easy | Red Feather Lakes |
| Chihuahua Gulch | Moderate | Montezuma |
| Chimney | Easy | Saguache/Gunnison |
| Chimney Gulch | Easy | Saguache/Gunnison |
| Chimney Rock | Easy | Kremmling/Walden |
| China Wall | Moderate | Tarryall |
| Chinaman Gulch (Yan Sing) | Difficult | Buena Vista |
| Chlober Hill | Easy | Leadville |
| Chubb Park | Easy | Johnson Village, Antero Junction |
| Cinnamon Gulch | Easy, Mines | Montezuma |
| Cinnamon Pass | Easy, Historic, Scenic | Lake City and Silverton |
| Clear Lake | Easy, Scenic, Lake | Silverton |
| Clinetops / Hiner Springs | Easy, Scenic | New Castle |
| Clohesy Lake | Moderate, Lakes | Granite |
| Clover Creek | Villa Grove | |
| Coal Ridge | Easy | Rangely |
| Cochetopa Pass | Easy, Scenic | Sargents / Saguache |
| Coffee Pot Road | Easy, Scenic | Dotsero |
| Como Lake | Moderate | Ouray |
| Conduit North | Easy | Leadville |
| Conduit South | Easy | Leadville |
| Coney Flats | Moderate, Scenic | Peaceful Valley |
| Cook Creek | Easy | Fraser |
| Cooper Loop | Easy | Leadville |
| Coral Creek | Easy | Deckers |
| Cordova Pass | Easy, Trailhead | Cuchara, Aguilar |
| Corkscrew Gulch | Easy, Historic, Scenic | Ouray |
| Corral Peak, aka Cabin Creek Divide | Easy | Parshall |
| Cottonwood | Easy, Color | State Bridge |
| Cottonwood Basin | Easy | State Bridge |
| Cottonwood Creek | Idaho Springs | |
| Cottonwood Creek | Moderate, Scenic | Paonia |
| Cottonwood Pass | Graded | Hot Sulphur Springs / Tabernash |
| Cottonwood Pass | Easy | Gypsum / Carbondale |
| Cottonwood Peak, aka McCord Pass | Easy | State Bridge |
| Creedmore Lakes | Easy, Lake | Red Feather Lakes |
| Crescent / Makinaw Lakes | Moderate, Lakes, Trailhead | Burns |
| Crooked Creek | Easy | Fairplay |
| Crooked Creek | Easy | Fraser |
| Crooked Creek Pass | Easy, Scenic | Meredith / Eagle |
| Cross Creek | Easy | South Fork |
| Cross Mountain | Easy, Scenic | Almont |
| Crystal City | Moderate, Historic, Scenic | Marble |
| Crystal Lake | Moderate | Breckenridge |
| Crystal Lake | Easy | Creede |
| Crystal Mountain | Moderate, Scenic | Masonville |
| Cumberland Gulch | Easy | Idaho Springs |
| Cumberland Pass | Easy, Scenic, Historic | Tin Cup, Pitkin |
| Cunningham Gulch | Easy, Scenic, Historic | Silverton |
| Top D - Roads | Attributes | Location |
| Dakan Mountain | Easy | Deckers |
| Dakota Hill | Easy | Rollinsville |
| Dead Horse / Long Park | Moderate | Meeker |
| Deadman | Easy | Jefferson |
| Deer Creek | Easy, Historic | Montezuma |
| Deer Creek | Easy | Saguache |
| Deer Peak | Easy | Westcliffe / Rye |
| Del Norte Peak | Easy | South Fork |
| Delonde | Easy | Nederland |
| Democrat Mountain | Moderate, Historic, Scenic | Georgetown |
| Denarious Mine | Moderate, Scenic | Georgetown |
| Denver Pass | **CLOSED** | Silverton |
| Depler Park | Easy | Pitkin |
| Devils Canyon | Easy | Idaho Springs |
| Devils Hole | Easy | Gardner |
| Difficult Pass | Easy | Aspen |
| Dinosaur Quarry | Easy, Scenic, Historic | Delta |
| Ditch Creek | Easy | Westcliffe / Rye |
| Divide Road | Easy, Scenic | Telluride |
| Doc's | Easy | Leadville |
| Dolores River | ||
| Dome Lakes | Easy, Scenic | Sargents |
| Dominguez Road | Easy, Scenic | Whitewater |
| Dry Fork, Minnesota Creek | Easy | Paonia |
| Dunckley Pass | Easy | Yampa / Oak Creek |
| Dyers Park | Easy | South Fork |
| Dyersville | Easy, Historic | Breckenridge |
| Top E - Roads | Attributes | Location |
| East Beaver / Sleepy Cat | Easy | Meeker |
| East Brush | Easy | Eagle |
| East Castle Peak (Coberly Gap) | Easy | Wolcott |
| East Goldenage | Easy | Jamestown |
| East Tennessee Creek | Easy | Leadville |
| East Willow Creek | Easy, Mines | Creede |
| Echo Park | Easy, Scenic, Historic | Dinosaur |
| Elkhorn Mountain | Easy | Hahns Peak |
| Ellis Jeep Trail | Moderate | Hahns Peak |
| Elwood Pass | Easy, Trailhead | Pagosa Springs / South Fork |
| Embargo Creek | Easy, Scenic | Del Norte |
| Empire Loop | Moderate | Empire |
| Engineer Pass | Easy, Historic, Scenic | Ouray / Lake City |
| English Valley | Easy, Scenic | Del Norte |
| Eureka Gulch | Easy, Historic | Silverton |
| Exclosure | Easy | Jefferson |
| Top F - Roads | Attributes | Location |
| Fairview View | Easy, Scenic | Jamestown |
| Fall Creek, Lizard Head Loop, Hermosa Creek | Easy, Scenic | Ophir |
| Farewell Gulch | Easy, Camping | Nederland |
| Farwell Mtn. | Moderate, Historic, Trailhead | Hahns Peak |
| Fawn Creek | Easy | Meeker |
| Findley Gulch | Easy | Saguache |
| Fire Box | Easy | Eagle |
| Fireman Hill | Difficult | Jamestown |
| Flag Divide | Easy | Crested Butte |
| Flat Tops | Easy, Scenic | Meeker |
| Flowers Road | Easy | Fort Collins |
| Four Mile Canyon | Easy, Scenic | Canon City |
| Fourmile Creek | Easy, Trailheads | Buena Vista |
| Four Mile Creek | Easy, Historic | Fairplay |
| Four Mile Road | Moderate | Saguache |
| Freedom (Independence Network) | Extreme | Canon City |
| Freeman Gulch | Easy | Idaho Springs / Central City |
| Top G - Roads | Attributes | Location |
| Galaconda Mine / Roses Cabin | Lake City | |
| Gardner Park | Easy, Reservoir | Yampa |
| Garibaldi Gulch | Moderate, Mines, Scenic | Breckenridge |
| Gateway | ||
| Geneva Basin | Easy, Historic | Grant |
| Georgia Pass | Easy, Historic, Scenic | Breckenridge |
| (Closed) Gillespie Gulch | Difficult, Historic | Jamestown / Ward |
| Glacier Ridge | Difficult, Historic, Scenic | Breckenridge |
| Glade Park | Grand Junction | |
| Gladstone | Easy, Historic | Silverton |
| Gold Camp Road | Easy, Historic | Colorado Springs |
| Gold Run | Easy | Breckenridge |
| Golden Horseshoe | Easy | Breckenridge |
| Goose Creek | Easy | Deckers, Tarryall |
| Gordon Gulch | Easy | Nederland |
| Gothic Road | Easy, Historic, Trailhead | Crested Butte |
| Government Creek | Easy | Cowdrey |
| Governor Basin | Easy, Historic, Scenic | Ouray |
| Granby Access Road | Moderate, Lakes | Cedaredge |
| Grand Junction Desert | Easy to Difficult | Grand Junction |
| Gray Copper | Easy | Silverton |
| Grayback Mountain | Easy | South Fork |
| Green Ridge Trail | Difficult | Red Feather Lakes |
| Greenhorn Mountain | Easy | Westcliffe / Rye |
| Guernsey | Easy | Jefferson/Grant |
| Gunnison Cnty 44 | Graded | Parlin |
| Gunsight Pass | Easy, Historic, Scenic | Crested Butte |
| Gunsight Pass | Easy | Kremmling |
| Gunsight Pass | Easy (does not cross) | Crested Butte |
| Guston and Ironton | Easy | Silverton |
| Top H - Roads | Attributes | Location |
| Hackett Gulch | Difficult, Scenic | Westcreek |
| Hagerman Pass | Easy, Historic, Scenic | Leadville |
| Hagerman Tunnel | Easy, Historic, Scenic | Basalt |
| Hahns Peak | Moderate, Historic | Hahns Peak |
| Hamlin Gulch | Easy | Idaho Springs |
| Hancock | Graded, Historic, Scenic | Nathrup |
| Hancock Pass | Moderate, Historic, Scenic | Nathrup / Pitkin |
| Handcart Gulch | Moderate, Scenic, Historic | Grant |
| Hardscrabble Saddle | Easy | Eagle |
| Hat Creek | Easy | Eagle |
| Hayden Pass | Moderate, Scenic | Villa Grove / Coaldale |
| Haystack Mountain | Easy | Walden |
| Height Divide | Easy | Hayden |
| Hermit Lakes | Easy | Creede |
| Hermit Pass | Easy, Scenic | Westcliffe |
| Hermosa Creek | Easy | Telluride |
| Herring Park | Easy | Hartsel, Salida |
| Hidden Valley Gulch | Easy | Deckers |
| High Trail Gulch | Moderate | State Bridge |
| Hillside | Easy | Cowdrey |
| Holy Cross City | Difficult, Historic, Scenic | Minturn |
| Homestead | Easy | Gunnison/Saguache |
| Homestead Road | Easy | Gunnison/Saguache |
| Horse Canyon | Easy | Gunnison/Saguache |
| Horseshoe Basin | Moderate, Scenic, Historic | Montezuma |
| Hubbard Cave | Easy | Glenwood Springs |
| Hukill Gulch | Moderate, Scenic | Idaho Springs |
| Hull Creek | Easy | Fraser |
| Hunter Road | Easy | Kremmling |
| Hurricane Basin | Easy | Lake City |
| Hurricane Pass | Easy, Scenic, Historic | Silverton |
| Top I - Roads | Attributes | Location |
| Ice Caves | Easy, Historic | Silverton |
| Imogene Pass | Moderate, Historic, Scenic | Telluride / Ouray |
| Independance | Easy, Historic | Aspen |
| Independence | Easy | Hahns Peak |
| Independence Mountain | Easy | Cowdrey |
| Independance Network | Extreme | Canon City |
| Indiana Creek | Easy | Breckenridge |
| Inspiration Point | Easy, Camping | Gold Hill |
| Ironclads | Moderate | Allenspark |
| Iron Chest | Extreme, Historic, Scenic | Buena Vista |
| Iron Mike | Moderate, Historic | Leadville |
| Ironton | Easy, Historic | Silvterton / Ouray |
| Italian Creek | Easy | Tin Cup / Crested Butte |
| Top J - Roads | Attributes | Location |
| Jenny Creek Road | Difficult | Rollinsville |
| Jenny June Mine | Moderate, Historic | Leadville |
| Johnny Park | Easy, Scenic | Pinewood Springs / Meeker Park |
| Jones Pass | Easy, Historic, Trailhead | Empire |
| June Creek | Difficult | Edwards |
| Top K - Roads | Attributes | Location |
| Kawuneeche Road | Easy, Scenic, Trailhead | Granby |
| Kebler Pass | Easy, Trailhead | Crested Butte / Paonia |
| Kelly Flats | Difficult | Rustic |
| Kendall Gulch | Easy, Historic, Scenic | Silverton |
| Kenney Creek Reservoir | Moderate, Lakes | Grand Junction |
| Kenny Ridge, aka Cabin Creek Divide | Easy | Granby |
| King Solomon | Easy | Hahns Peak |
| Kingston Peak | Moderate, Historic, Scenic | Alice |
| Knob | Easy | Ward |
| Kobey Park | Aspen | |
| Top L - Roads | Attributes | Location |
| La Plata Canyon | Easy, Historic, Scenic, Trailhead | Durango |
| La Salle Pass | Easy | Hartsel / Tarryall |
| Lamartine | Easy, Historic | Idaho Springs |
| Lands End | Easy, Scenic | Grand Junction |
| Last Dollar | Easy, Scenic | Telluride |
| Lead King Basin | Moderate, Historic, Scenic | Marble |
| Leavenworth Creek | Easy, Historic, Ghost Town | Georgetown |
| Lefthand Canyon Main | Difficult, Scenic, **Closed** | Jamestown |
| Leland Creek | Easy, Trailhead | Fraser |
| Lenhard Cutoff | Easy, Historic, Trailheads | Buena Vista |
| Liberty (Independence Network) | Extreme | Canon City |
| Lime Creek | Easy, Scenic | Silverton |
| Lincoln Creek Road | Moderate, Scenic, Historic | Aspen |
| Ling | Easy | Breckenridge/Alma |
| Little Fourmile | Easy | Buena Vista |
| Little Froze | Easy | Westcliffe / Rye |
| Little Giant Basin | Easy, Historic | Silverton |
| Little James Creek | **CLOSED** | Jamestown |
| Little Kerber | Easy | Villa Grove/Saguache |
| Little Wolford Mountain | Easy | Kremmling |
| Lizard Head Loop/Fall Creek | Easy, Scenic | Ophir |
| Loch Lomond | Easy, Lakes | Alice |
| Locke Mountain | Easy | Westcliffe |
| Lodgepole Flats | Easy | Leadville |
| Lodgepole Flats North | Easy | Leadville |
| Lodgepole Flats South | Easy | Leadville |
| Lone Stare Mine | Moderate, Historic | Rollinsville |
| Long Gulch (Barking Dog) | **CLOSED** | Jamestown |
| Long Slough Reservoir | Difficult, Lakes | Grand Junction |
| Longwater Gulch | Difficult | Westcreek |
| Los Pinos / Cebolla Road | Easy, Scenic | Creede |
| Los Pinos Pass | Easy, Scenic | Cochetopa Dome / Lake City |
| Lost Canyon | Easy, Scenic, Mines | Leadville / Buena Vista |
| Lost Dog | Easy, Wilderness access | Clark |
| Lost Lake | Easy | Red Feather Lakes |
| Loveland | Easy | Alma |
| Lujan | Easy, Trailheak | Saguache / Gunnison |
| Lynx Pass | Easy, Scenic | Oak Creek / Toponas |
| Top M - Roads | Attributes | Location |
| McAllister Gulch | Moderate, Scenic | Redcliff |
| McClellan Mountain | Easy, Railroad, Scenic | Georgetown |
| McDonald Creek Canyon | Easy, Scenic | Fruita |
| McFerran | Easy | Fairplay |
| McNasser Gulch | Easy | Twin Lakes |
| Maggie Gulch | Easy, Scenic, Historic | Silverton |
| Marcott Road | Easy, Fishing | Cedaredge |
| Marshall Pass | Easy, Scenic, Historic | Poncha Springs, Sargents |
| Mason Creek | Easy | Creede |
| Matchless | Easy | Nederland |
| Mayflower Lake | Easy, Lakes | Breckenridge |
| Meadow Divide | Easy | Gardner / Westcliffe |
| Medano Pass | Easy, Scenic | Blanca / Westcliffe |
| Medicine Bow | Easy, Mine | Cowdrey |
| Mendenhall Road | Easy, Scenic | Walden |
| Mercury Mine | Easy | Gunnison/Saguache |
| Mexican Park | Easy, Grave | Hahns Peak |
| Metberry | Moderate, Rivers | Westcreek |
| Middle Bald Mountain | Moderate | Rustic / Red Feather Lakes |
| Middle Cunningham | Easy | Basalt |
| Middle Fork Swan River | Easy, Scenic, Historic | Breckenridge |
| Middle Mountain Road | Easy, Scenic, Historic | Durango |
| Middle Quartz Creek | Easy | Pitkin |
| Middle St. Vrain | Moderate, Scenic, Trailhead, Rivers | Raymond |
| Midnight Mine / Little Annie | Easy | Aspen |
| Milk Creek Road | Moderate | Sargents |
| Mill Creek Road | Easy, Scenic | Vail |
| Miller Creek | Easy | Empire |
| Miller Rock | Moderate | Riverside |
| Mine Sweep | Extreme | Salida |
| Mineral Creek | Easy, Mine | Silverton |
| Mineral Point | Easy, Scenic, Historic | Ouray |
| Miners Gulch | Easy | Idaho Springs |
| Minnie Gulch | Easy, Scenic, Historic | Silverton |
| Moeller Creek / Sleepy Cat | Moderate | Meeker |
| Molly Bawn | Easy | Idaho Springs |
| Montezuma Basin | Moderate | Aspen |
| Moon Gulch | Moderate | Rollinsville |
| Moody Hill | Moderate | Masonville |
| Morrison Creek, aka Lynx Pass | Easy | Toponas |
| Mosquito Creek | Easy | Apex |
| Mosquito Pass | Easy, Scenic, Historic | Leadville, Fairplay |
| Mother Hill | Difficult, **Closed** | Jamestown |
| Mount Alto | Easy | Gold Hill |
| Mount Antero | Moderate, Scenic | Buena Vista |
| Mount Baldy | Easy, Scenic, Trailhead | Cripple Creek |
| Mount Bross | Easy, Scenic, Historic | Alma |
| Mount Bross | Easy, View | Hot Sulphur Springs |
| Mount Herman Road | Easy, Scenic, Trailhead | Monument |
| Mount Lincoln | Easy, Scenic, Historic, Trailhead | Fairplay |
| Mount Princeton | Easy, Scenic | Buena Vista |
| Mount Zion | Easy, Scenic | Leadville |
| Muddy Creek | Easy, Scenic | Parshall |
| Muddy Pass | Easy, Scenic | Vail |
| Mulstay Road | Easy, Scenic, Trailhead | Granby |
| Mushroom Gulch | Easy | Buena Vista |
| Top N - Roads | Attributes | Location |
| Napoleon Pass | Moderate, Scenic, Mine | Tincup |
| Narrow Gauge | Easy | Alma |
| Nellie Creek | Easy, Scenic, Trailhead | Ouray |
| Nevadaville | Easy, Scenic | Central City |
| Ninety Four | Moderate | Idaho Springs |
| No Name | Easy | Leadville |
| No Name Creek | Easy | Gould |
| Nolan Creek | Easy | Eagle |
| North Clear Creek | Easy | Apex |
| North Clear Creek | Easy, Waterfall | Creede |
| North Fork Cutoff (Yvonne Pass) | Easy | Silverton |
| North Fork Swan River | Easy, Historic | Breckenridge |
| North Sand Hills | All, Scenic | Walden |
| North Supply Jeep Trail | Easy, Scenic, Trailhead | Grand Lake |
| North Twin Cone | Moderate, Scenic | Grant |
| Northrup Gulch | Easy | Westcreek |
| Nugget Hill | Difficult, Scenic, **Closed** | Jamestown |
| Nunn Creek Basin | Moderate, Scenic | Red Feather Lakes |
| Top O - Roads | Attributes | Location |
| Oh-Be-Joyful | **CLOSED** | Crested Butte |
| Ohio Pass | Easy | Crested Butte, Gunnison |
| Old Chalk Creek | Easy | Nathrop |
| Old Corral Peak | Easy | Parshall |
| Old Fall River Road | Easy, Scenic | Estes Park |
| Old Fulford | Easy | Eagle |
| Old Highway | Easy, Historic | Toponas |
| Old La Veta Pass | Easy | Walsenburg, Fort Garland |
| Old Monarch Pass | Easy, Scenic | Sargents |
| Old Roach | Easy | Cowdrey |
| Ophir Pass | Easy, Scenic, Historic | Telluride |
| Oregon Hill | Easy, Mine | Apex |
| Owl Creek | Easy, Camping | Gould |
| Owl Creek Pass | Easy, Fall Color, Trailhead, Fishing | Ridgway |
| Owl Mountain Lookout | Easy, Camping | Gould |
| Owl Mountain Road | Easy | Gould |
| Top P - Roads | Attributes | Location |
| Pagosa Junction | Easy, Scenic, Historic | Pagosa Springs |
| Paradise Divide | Easy, Scenic, Historic, Trailhead | Crested Butte |
| Park Creek | Easy | South Fork |
| Parkview Mountain | Easy, Scenic | Granby |
| Pass Creek Pass | Easy | Walsenburg, Fort Garland |
| Patriot (Independence Network) | Extreme | Canon City |
| Pawnee Grasslands | Easy | Greeley |
| Peak 10 | Easy, Scenic, Trailhead | Breckenridge |
| Pearl Pass | Moderate, Scenic | Crested Butte, Aspen |
| Peekaboo Gulch | Easy, Scenic | Twin Lakes |
| Peewink Mountain | Easy | Nederland |
| Pennsylvania Creek | Easy | Breckenridge |
| Perigo | Easy, Historic, Mine | Rollinsville |
| Peru Creek | Easy, Trailhead, Mines | Montezuma |
| Phantom Canyon | Easy, Scenic, Historic | Canon City |
| Phoenix | Easy, Historic, Mine | Rollinsville |
| Picayune Gulch | Easy, Historic, Scenic | Silverton |
| Pickle Gulch | Moderate | Rollinsville |
| Pieplant Creek | Easy, Historic, Mill | Tincup |
| Pierson Park | Easy, Scenic | Estes Park |
| Pindante Canyon | Easy, Historic | Rangely |
| Pinkham Creek (Parks) | Easy | Cowdrey |
| Pinkham Creek (Canyon Lakes) | Easy | Cowdrey |
| Placer Gulch | Easy, Historic | Silverton |
| Pole Hill | Easy, Challenge, Scenic | Estes Park |
| Pomeroy Lake (Mary Murphy Mine) | Easy, Historic, Scenic | Buena Vista |
| Pool Table | Easy, Scenic | South Fork / Creede |
| Porphyry | Easy, Scenic, Trailhead | Silverton |
| Poughkeepsie Gulch | Difficult, Scenic | Ouray |
| Poverty Gulch | Easy, Trailhead | Crested Butte |
| Powerline sec5 | Easy | Whitepine |
| Powerline-Cunningham | Easy | Basalt |
| Prairie Divide | Easy | Red Feather Lakes |
| Privateer | Easy | Alma |
| Prospect Gulch | Easy, Historic, Scenic | Silverton |
| Ptarmigan Pass S Ptarmigan Pass N |
Easy, Scenic | Camp Hail / Redcliff |
| Ptarmigan Peak | Easy | Fraser |
| Top R - Roads | Attributes | Location |
| Radical Hill | Moderate, Historic, Scenic | Montezuma |
| Radium | Easy, Scenic | Kremmling |
| Rainbow Lakes | Easy, Trailhead | Nederland |
| Rampart Range Road | Easy | Deckers |
| Ranch Creek | Difficult | Minturn |
| Rarus Triangle | Easy | Central City |
| Rat Creek | Easy, Scenic | Creede |
| Rattlesnake Canyon | Moderate, Trailhead | Grand Junction |
| Red Cone | Moderate, Scenic | Montezuma / Grant |
| Red Dirt Creek / Derby Mesa | Easy | Burns |
| Red Elephant Hill | Empire | |
| Red Park | Easy, Camping | Hahns Peak |
| Red Sandstone (Muddy Pass) | Easy | Wolcott and Vail |
| Red Table / Red Creek | Moderate, Scenic | Gypsum |
| Red View | Easy | Hahns Peak |
| Red and White Mountain | Easy | Vail |
| Reno Divide | Moderate, Secnic | Crested Butte |
| Resolution Peak | Moderate, Scenic | Camp Hale |
| Richmond Basin | Moderate, Scenic, Historic | Ouray |
| Richmond Hill | Easy | Aspen |
| Ripper | Easy | Jefferson |
| Ripple Creek Pass | Easy | Meeker |
| Road Hog | Easy | Pearl |
| Roan Cliffs | Easy, Scenic | Rifle |
| Roaring Creek | Easy | Red Feather Lakes |
| Rock Creek | Easy, Trailhead | Allenspark |
| Rock Creek Trail Pass | Easy, Trail head | Jefferson |
| Rocky Brook | Easy, Trailhead | Tincup, Almont |
| Rocky Point Road | Easy | Fraser |
| Rollins Pass East | Easy, Historic, Scenic | Rollinsville |
| Rollins Pass West | Easy, Historic, Scenic | Winter Park |
| Rose's Cabin | Lake City | |
| Round Hill | Easy, Mine | Fairplay |
| Ruby Gulch | Easy | Nederland |
| Rushmer | Easy | Westcliffe / Rye |
| Russell Gulch | Easy, Historic | Central City |
| Top S - Roads | Attributes | Location |
| Sage Draw | Easy | Leadville |
| Saguache Cnty 14PP | Graded | Doyleville |
| Saguache Park | Graded, Trailheads, Fishing | Saguache/Gunnison |
| Saguache Tie | Easy, Fishing | Saguache/Gunnison |
| Sts. John | Moderate, Ghost Towns | Montezuma |
| St. Kevin | Easy, Mines | Leadville |
| St. Louis Creek | Easy, Trailhead | Fraser |
| St. Mary's Glacier | Easy | Idaho Springs |
| Salt Creek | Easy, Trail head | Antero Junction |
| Salt Creek South | Easy, Trail head | Antero Junction |
| Samora Gulch | Easy | Saguache / Gunnison |
| Sand Creek Pass | Easy | Red Feather Lakes |
| Sand Wash Basin | Easy, Scenic | Maybell |
| Sanderson Gulch | Easy | Del Norte |
| Santa Fe Peak | Easy, Scenic | Montezuma |
| Santa Maria | Easy | Creede |
| Sapinero Mesa Road | Easy, Scenic | Gunnison |
| Sawmill | Easy | Eagle |
| Sawmill Gulch | Easy | Ward |
| Saxon Mountain | Moderate, Scenic, Historic | Georgetown |
| Sayres Gulch | Easy | Twin Lakes |
| Schofield Pass | Moderate, Scenic, Historic | Marble, Crested Butte |
| Schoolmarm Mountain | Easy | Hartsel |
| Schrader Creek | Easy | Del Norte |
| Scotch Creek Pass | Easy, Scenic, Historic | Rico |
| Seep Springs | Graded | Canon City |
| Seven Mile | Easy | Rustic |
| Sevenmile | Easy, Scenic | Buena Vista |
| Shavano | Easy, Scenic, Trailhead | Poncha Springs |
| Shawnee Mountain | Easy | Crow Hill |
| Sheephorn | Easy | State Bridge |
| Sheep Creek | Easy | Saguache |
| Shelf Road | Graded | Cripple Creek |
| Sheridan Hill | Easy | Idaho Springs |
| Shrine Pass | Easy, Scenic | Vail / Redcliff |
| Silver Creek Trailhead | Easy | Poncha Springs |
| Silverton Northern RR Grade | Easy, Historic | Silverton |
| Slane Gulch | Easy | Saguache / Gunnison |
| Slate Road | Easy, Historic, Trailhead | Crested Butte |
| Slaughterhouse Gulch | Moderate | Crow Hill |
| Slaughterhouse Gulch | Easy | Tincup |
| Sleepy Cat Peak | Easy | Meeker |
| Slide Lake | Easy | Leadville |
| Smith Mesa | Easy | Hot Sulphur Springs |
| Soap Creek Road | Easy, Scenic, Trailhead | Gunnison |
| South Carnero | Easy | Saguache |
| South Fork Lake Creek | Easy | Twin Lakes |
| Spraddle Creek | Easy, Scenic, Trailhead | Vail |
| Spring Creek | Easy, Lakes, Trailhead | Silverthorne |
| Spring Creek | Easy, Historic | Idaho Springs |
| Spring Creek / Silver Creek | Difficult, Scenic | Lawson |
| Spring Creek | Easy, Historic | Almont |
| Spring Creek | Easy | Villa Grove |
| Spruce Divide | Easy | Toponas |
| Spruce Mountain | Easy | Masonville |
| Stiletto | Easy | Clark |
| Stillwater Pass | Easy, Scenic | Granby |
| Stone Quarry | Easy to Extreme | Del Norte |
| Stoney Pass | Easy | Deckers |
| Stony Pass | Easy, Scenic, Historic, Trailhead | Silverton / Creede |
| Storm Mountain | Easy | Masonville / Drake |
| Storm King Mountain | Difficult | Glenwood Springs |
| Sugarloaf Mountain | **CLOSED** | Boulder |
| Summitville | Easy | South Fork / Del Norte |
| Swansea Gulch | Easy | Silverton |
| Switchback | Easy, Historic | Alma |
| Switzerland Trail | Easy, Historic | Boulder |
| Top T - Roads | Attributes | Location |
| T-Pit | Easy | Jefferson/Grant |
| Tabor | Easy, Mine | Alma |
| Taylor Canyon Trail | Easy, Scenic | Saguache |
| Taylor Pass | Moderate, Scenic | Aspen, Taylor Park |
| Teller Divide | Easy, Ghost Town | Gould |
| Third Park | Easy | Hot Sulphur Springs |
| Thompson Creek | Easy | Carbondale |
| Tigiwon Road | Easy, Trailhead | Minturn |
| Tincup Gulch | Moderate, Scenic, History | Tin Cup |
| Tincup Pass | Moderate, Scenic, History | Tin Cup / St. Elmo |
| Tipperary Creek | **CLOSED** | Fraser |
| Toll Road Gulch | Easy, Historic | Poncha Springs |
| Tomichi Pass | Easy, Scenic | Pitkin / Whitepine |
| Top-of-the-World | **CLOSED** | Deckers |
| Topaz Mountain | Easy | Jefferson |
| Trail Creek | Easy, Historic | Idaho Springs |
| Transfer Trail | Moderate | Glenwood Springs |
| Tree Digger | Easy | Jefferson |
| Trinchera | Easy | Cuchara |
| Trough Road Pass | Easy | Kremmling |
| Tunnel Hill | Easy | Winter Park |
| Turkey Creek | Easy | Westcreek |
| Turret | Easy, Historic | Salida |
| Tuscarora Cutoff | Easy | Ward |
| Twin Mountain | Easy | Hahns Peak |
| Twin Saddle | Easy | Hahns Peak |
| Twisty Beaver | Easy | Pearl |
| Top U - Roads | Attributes | Location |
| Uncompahgre Plateau | Easy, Scenic | Montrose |
| Union Canyon | Moderate, Scenic | Tincup/Almont |
| Union Park | Easy, Camping | Tincup/Almont |
| Upham Gulch | Easy | Nederland |
| (Closed) Upper Carnage | Difficult | Jamestown |
| Upper Spanish Creek | Easy, Pass | Saguache |
| US Basin | Easy, Scenic | Silverton / Ouray |
| Utah Hill | Easy | Apex |
| Ute Creek | Easy | Idaho Springs |
| Ute Pass | Easy, Scenic | Villa Grove / Saguache |
| Top V - Roads | Attributes | Location |
| Van Tassel | Easy, Pass | Saguache/Gunnison |
| Vassar | Easy, Trailhead | Pearl |
| Village Belle | Easy | Cowdrey |
| Top W - Roads | Attributes | Location |
| Wager Gulch | Easy, Scenic, Historic | Lake City |
| Wahl | Easy | Jefferson |
| Waldorf | Moderate, Historic, Ghost Town | Georgetown |
| Wallace Gulch | Easy | Jefferson |
| Walters Lake | Easy | State Bridge |
| Warden Gulch | Easy | Montezuma |
| Washington Gulch | Easy, Historic | Crested Butte |
| Washoe Gulch | Moderate | Idaho Springs |
| Watson Park Loop | Moderate | Deckers |
| Waunita Pass | Easy, Scenic | Pitkin / Doyleville |
| Wearyman Creek | Moderate, Scenic | Redcliff |
| Weber Gulch | Easy | Jefferson |
| Webster Pass | Easy, Scenic | Montezuma / Grant |
| West Deep Creek Rim | Moderate, Scenic | Dotsero |
| West Lake Creek | Easy, Trailhead | Edwards |
| West Mountain | Easy | Ohio City / Pitkin |
| West Pinos | Easy | South Fork |
| Weston Pass | Easy, Historic, Trailhead | Leadville / Fairplay |
| Whale Hill | Easy, Mining, View | Bonanza |
| Wheeler Geologic Area | Moderate, Scenic | Creede |
| Wheeler Lake | Difficult, Scenic, Historic, Lakes | Alma/Breckenridge |
| Whiskey Park | Easy | Hahns Peak |
| Wild Horse Trail | Easy, Scenic | DeBeque |
| Williams Creek | Easy | Gardner |
| Williams Pass | Difficult (open for August only) | St. Elmo / Pitkin |
| Wills Reservoir Connector | Easy | Cowdrey |
| Willow Creek | Easy | Parlin |
| Willow Creek | Easy | South Fork |
| Winfield | Easy, Scenic, Ghost Town | Granite |
| Wolford Mountain | Easy | Kremmling |
| Wolford Mountain Reservoir | Easy | Kremmling |
| Wood Gulch | Easy, Scenic | Doyleville |
| Woods Lake | Easy | Basalt |
| Wurts Ditch | Easy, Trailheads | Leadville |
| Wylie Gulch | Easy | Gardner |
| Top Y - Roads | Attributes | Location |
| Yampa Bench | Easy, Scenic | Dinosaur |
| Yankee Boy Basin | Easy, Scenic, Historic, Trailhead | Ouray |
| Yankee Hill | Easy, Scenic | Central City |
| Yellowjacket - East Beaver Creek | Easy | Meeker |
| Yellowjacket Pass | Easy | Meeker |
| York Gulch | Easy | Idaho Springs |
| Yvonne Pass | Easy, Scenic | Ouray / Silverton |
| Top Z - Roads | Attributes | Location |
| Zapata Falls | Easy, Waterfall | Alamosa |