Colorado OHV trails & MVUM routes

16,413.3 mi of motorized routes · 33 ranger districts · 7 national forests · U.S. Forest Service MVUM

Colorado has 16,413.3 miles of motorized national-forest routes on the U.S. Forest Service Motor Vehicle Use Map, spread across 33 ranger districts in 7 national forests — 13,468.6 miles of roads and 2,944.7 miles of trails. ATV routes are designated across 32 of them. Filter by vehicle type to find where you can legally ride an ATV, dirt bike, side-by-side, 4x4 or e-bike, then open a district for miles, seasons, a route map and GPX. Informational only — always follow the official MVUM.

Statewide totals Colorado · U.S. Forest Service MVUM
Total motorized miles
16,413.3

13,468.6 mi of roads · 2,944.7 mi of trails across 33 ranger districts.

National forests
7
Ranger districts
33
ATV districts
32

National forests in Colorado

National forests in Colorado, most motorized miles first.
Grand Mesa, Uncompahgre and Gunnison National Forests 5 3,856.1 2,766.5 1,089.6
Pike and San Isabel National Forests 7 3,275.1 2,642 633.1
Arapaho and Roosevelt National Forests 5 2,736 2,612.6 123.4
Rio Grande National Forest 3 1,958.4 1,604.8 353.6
San Juan National Forest 3 1,956.5 1,497.3 459.2
White River National Forest 7 1,416.3 1,410.9 5.4
Medicine Bow-Routt National Forest 3 1,214.9 934.5 280.4

Ranger districts by vehicle & miles

Every ranger district in Colorado, ranked by motorized miles. Choose a vehicle to show only districts that designate it, or type to filter. Each district page has the full access matrix, seasons, a map and GPX.

33 districts

Colorado ranger districts by motorized miles (highest first).
Canyon Lakes Ranger District Arapaho and Roosevelt National Forests 1,742.1 1,198.9 1,221
Gunnison Ranger District Grand Mesa, Uncompahgre and Gunnison National Forests 1,677.5 1,336.9 1,662.2
Mancos/Dolores Ranger District San Juan National Forest 1,000.7 851.1 974.1
Divide Ranger District Rio Grande National Forest 986.6 803.4 899.9
Comanche Ranger District Pike and San Isabel National Forests 870.7 870.7 870.7
Grand Valley Ranger District Grand Mesa, Uncompahgre and Gunnison National Forests 827.5 712.6 758
Saguache Ranger District Rio Grande National Forest 590.7 545.8 573.2
Ouray Ranger District Grand Mesa, Uncompahgre and Gunnison National Forests 569.3 516.9 564.5
Parks Ranger District Medicine Bow-Routt National Forest 548.5 442 548.6
South Park Ranger District Pike and San Isabel National Forests 526.8 410.4 425.5
Pagosa Ranger District San Juan National Forest 492.8 468.7 489.3
Salida Ranger District Pike and San Isabel National Forests 480.5 397 473.1
Hahns Peak-Bears Ears Ranger District Medicine Bow-Routt National Forest 467.6 416 460.3
Columbine Ranger District San Juan National Forest 463 387.1 430.6
Norwood Ranger District Grand Mesa, Uncompahgre and Gunnison National Forests 457.8 379.3 441.9
San Carlos Ranger District Pike and San Isabel National Forests 456.9 356.2 400.9
Sulphur Ranger District Arapaho and Roosevelt National Forests 444.1 385.6 408.6
Pikes Peak Ranger District Pike and San Isabel National Forests 425 292.5 307
Conejos Peak Ranger District Rio Grande National Forest 381.1 233.7 284.2
South Platte Ranger District Pike and San Isabel National Forests 365.5 194.6 303.2
Paonia Ranger District Grand Mesa, Uncompahgre and Gunnison National Forests 324 322.6 322.6
Rifle Ranger District White River National Forest 280.8 230.7 230.7
Eagle Ranger District White River National Forest 255.7 145.2 145.2
Holy Cross Ranger District White River National Forest 247.8 100.5 100.5
Blanco Ranger District White River National Forest 217.1 184.4 184.4
Boulder Ranger District Arapaho and Roosevelt National Forests 210.8 176.2 181.7
Sopris Ranger District White River National Forest 201.7 116.4 116.4
Yampa Ranger District Medicine Bow-Routt National Forest 198.8 187.3 187.3
Clear Creek Ranger District Arapaho and Roosevelt National Forests 175.4 158.2 158.2
Dillon Ranger District White River National Forest 163.8 103.9 103.9
Pawnee Ranger District Arapaho and Roosevelt National Forests 163.6
Leadville Ranger District Pike and San Isabel National Forests 149.7 148.8 148.8
Aspen Ranger District White River National Forest 49.4 35.6 35.6

Data: U.S. Forest Service, Enterprise Data Warehouse (EDW) Motor Vehicle Use Map — Roads (layer 1) and Trails (layer 2), retrieved 2026-07-11. A work of the U.S. Government, public domain (17 U.S.C. §105). State assignment: U.S. Census Bureau TIGERweb state boundaries.

Frequently asked questions

Where can you ride an ATV on national-forest land in Colorado?
Colorado has ATV-designated MVUM routes across 32 ranger districts (about 13,109.2 designated miles). Use the vehicle filter above to see them, then open a district for its routes, seasons and GPX.
How many miles of national-forest OHV routes are in Colorado?
16,413.3 miles of motorized routes on the Forest Service MVUM — 13,468.6 miles of roads and 2,944.7 miles of trails — across 33 ranger districts.
Are these Motor Vehicle Use Maps legal documents?
No. Every figure here is an informational summary of the MVUM route data. The legal document is each district's official Motor Vehicle Use Map, which you must carry and follow.

Explore

New to Motor Vehicle Use Maps? Read what an MVUM is or the methodology. Every figure here is informational, from the U.S. Forest Service MVUM — always carry and follow the official map when you ride.