Arapaho and Roosevelt National Forests
Arapaho and Roosevelt National Forests in Colorado carries 2,736 miles of motorized routes from the U.S. Forest Service Motor Vehicle Use Map — 2,612.6 miles of roads and 123.4 miles of trails across 5 ranger districts. Open any district for its full per-vehicle access matrix (ATV, motorcycle, side-by-side, 4x4 and e-bike), seasons, a route-network map, and GPX downloads. These pages are informational; the controlling document is each district's official MVUM.
- Total motorized miles
- 2,736
- Ranger districts
- 5
- Roads
- 2,612.6 mi
- Trails
- 123.4 mi
2,612.6 mi of roads · 123.4 mi of trails · Forest code 0210.
Ranger districts in Colorado
The district is the grain — pick one for its full per-vehicle access matrix, seasons, a route-network map and GPX downloads.
| Access highlights | ||||
|---|---|---|---|---|
| Canyon Lakes Ranger District | 1,742.1 | 1,716.1 | 26 | ATV 1,198.9 mi · Motorcycle 1,221 mi |
| Sulphur Ranger District | 444.1 | 354.5 | 89.6 | ATV 385.6 mi · Motorcycle 408.6 mi |
| Boulder Ranger District | 210.8 | 203 | 7.8 | ATV 176.2 mi · Motorcycle 181.7 mi |
| Clear Creek Ranger District | 175.4 | 175.4 | 0 | ATV 158.2 mi · Motorcycle 158.2 mi |
| Pawnee Ranger District | 163.6 | 163.6 | 0 | Road-legal / licensed vehicles only |
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.
Forest-wide vehicle access
How many of this forest's ranger districts designate each vehicle class, and the total designated miles across the forest.
| Vehicle class | Districts | Open miles |
|---|---|---|
| ATV | 4 | 1,918.9 |
| Motorcycle / dirt bike | 4 | 1,969.5 |
| Other wheeled OHV | 4 | 1,916.6 |
| 4WD > 50" | 4 | 1,053.6 |
| 2WD > 50" | 4 | 1,051.3 |
| Tracked OHV > 50" | 4 | 1,846.1 |
| Other OHV > 50" | 4 | 1,846.1 |
| Tracked OHV < 50" | 4 | 1,916.6 |
| Other OHV < 50" | 4 | 1,916.6 |
| Passenger vehicle | 5 | 2,591.4 |
| High-clearance vehicle | 5 | 2,592.9 |
| Truck | 5 | 2,591.4 |
| Bus | 5 | 2,591.4 |
| Motorhome | 5 | 2,591.4 |
These pages summarise the Forest Service Motor Vehicle Use Map data; they are not the official MVUM and not legal documents. The controlling document is each district's official Motor Vehicle Use Map — carry it and follow posted signs.
Data vintage: USFS EDW MVUM, retrieved 2026-07-11.
Explore
Browse all Colorado national-forest routes, read the methodology, or learn what an MVUM is.