Flathead National Forest
Flathead National Forest in Montana carries 1,631 miles of motorized routes from the U.S. Forest Service Motor Vehicle Use Map — 1,421.9 miles of roads and 209.1 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
- 1,631
- Ranger districts
- 5
- Roads
- 1,421.9 mi
- Trails
- 209.1 mi
1,421.9 mi of roads · 209.1 mi of trails · Forest code 0110.
Ranger districts in Montana
The district is the grain — pick one for its full per-vehicle access matrix, seasons, a route-network map and GPX downloads.
| Access highlights | ||||
|---|---|---|---|---|
| Tally Lake Ranger District | 562 | 493.3 | 68.7 | ATV 0.5 mi · Motorcycle 69 mi · E-bike routes |
| Swan Lake Ranger District | 455.6 | 388.8 | 66.8 | ATV 32.1 mi · Motorcycle 67 mi · E-bike routes |
| Hungry Horse Ranger District | 278.7 | 225.4 | 53.3 | ATV 14.4 mi · Motorcycle 53.3 mi · E-bike routes |
| Glacier View Ranger District | 228.5 | 219.2 | 9.3 | ATV 12.9 mi · Motorcycle 15 mi · E-bike routes |
| Spotted Bear Ranger District | 106.2 | 95.2 | 11 | ATV 0.2 mi · Motorcycle 11.2 mi · E-bike routes |
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 | 5 | 60.1 |
| Motorcycle / dirt bike | 5 | 215.5 |
| Other wheeled OHV | 5 | 58.7 |
| 4WD > 50" | 3 | 19 |
| 2WD > 50" | 3 | 19 |
| Tracked OHV > 50" | 3 | 19 |
| Other OHV > 50" | 3 | 19 |
| Tracked OHV < 50" | 5 | 58.5 |
| Other OHV < 50" | 5 | 58.5 |
| Passenger vehicle | 5 | 1,421.9 |
| High-clearance vehicle | 5 | 1,421.9 |
| Truck | 5 | 1,421.9 |
| Bus | 5 | 1,421.9 |
| Motorhome | 5 | 1,421.9 |
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 Montana national-forest routes, read the methodology, or learn what an MVUM is.