Helena-Lewis and Clark National Forest
Helena-Lewis and Clark National Forest in Montana carries 2,905.9 miles of motorized routes from the U.S. Forest Service Motor Vehicle Use Map — 2,018.9 miles of roads and 887 miles of trails across 6 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
- 2,905.9
- Ranger districts
- 6
- Roads
- 2,018.9 mi
- Trails
- 887 mi
2,018.9 mi of roads · 887 mi of trails · Forest code 0115.
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 | ||||
|---|---|---|---|---|
| Judith-Musselshell Ranger District | 832.7 | 411.7 | 421 | ATV 359.8 mi · Motorcycle 468.8 mi · E-bike routes |
| Belt Creek-White Sulphur Springs Ranger District | 623.2 | 381.2 | 242 | ATV 240.5 mi · Motorcycle 370.2 mi · E-bike routes |
| Townsend Ranger District | 526.3 | 474.1 | 52.2 | ATV 168.5 mi · Motorcycle 184 mi · E-bike routes |
| Helena Ranger District | 447.6 | 375.3 | 72.3 | ATV 116.6 mi · Motorcycle 116.6 mi · E-bike routes |
| Lincoln Ranger District | 304.5 | 276.6 | 27.9 | ATV 27.9 mi · Motorcycle 27.9 mi · E-bike routes |
| Rocky Mountain Ranger District | 171.6 | 100 | 71.6 | ATV 21.7 mi · Motorcycle 71.6 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 | 6 | 935 |
| Motorcycle / dirt bike | 6 | 1,239.1 |
| Other wheeled OHV | 6 | 935 |
| 4WD > 50" | 4 | 524.6 |
| 2WD > 50" | 4 | 524.6 |
| Tracked OHV > 50" | 4 | 524.6 |
| Other OHV > 50" | 4 | 524.6 |
| Tracked OHV < 50" | 4 | 524.6 |
| Other OHV < 50" | 4 | 524.6 |
| Passenger vehicle | 6 | 2,191.6 |
| High-clearance vehicle | 6 | 2,191.6 |
| Truck | 6 | 2,191.6 |
| Bus | 6 | 2,191.6 |
| Motorhome | 6 | 2,191.6 |
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.