Rocky Mountain Ranger District
The Rocky Mountain Ranger District in Helena-Lewis and Clark National Forest (Montana) has 171.6 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 100 miles of roads and 71.6 miles of trails across 340 designated routes. Vehicle access: ATV 21.7 mi · Motorcycle 71.6 mi · E-bike routes. Seasonal routes generally open Apr 1 and close Nov 30. Every route here is informational and derived from the MVUM data — it is not a legal document; carry and follow the district's official Motor Vehicle Use Map. Download the routes as GPX for your GPS or riding app.
- Total motorized miles
- 171.6
- Roads
- 100 mi
- Trails
- 71.6 mi
- Year-round miles
- 112.2 mi
- Seasonal miles
- 59.4 mi
100 mi of roads · 71.6 mi of trails, across 340 designated routes on the Motor Vehicle Use Map.
Vehicle access
What the MVUM designates for each vehicle class in this district — open miles, route count and season. A blank designation means the class is not designated here; it is shown as such, never guessed. ATV, motorcycle and e-bike classes are highlighted.
| Vehicle class | Open miles | Routes | Season |
|---|---|---|---|
| Core off-highway (OHV) | |||
| ATV | 21.7 | 85 | Varies by route |
| Motorcycle / dirt bike | 71.6 | 157 | Varies by route |
| Other wheeled OHV | 21.7 | 34 | Varies by route |
| Wider OHV (over 50 inches) | |||
| 4WD > 50" | — | — | Not designated |
| 2WD > 50" | — | — | Not designated |
| Tracked OHV > 50" | — | — | Not designated |
| Other OHV > 50" | — | — | Not designated |
| Narrow OHV (under 50 inches) | |||
| Tracked OHV < 50" | — | — | Not designated |
| Other OHV < 50" | 0 | 3 | Year-round |
| E-bikes | |||
| E-bike Class 1 | 0 | 38 | Varies by route |
| E-bike Class 2 | 0 | 38 | Varies by route |
| E-bike Class 3 | 0 | 38 | Varies by route |
| Road-legal / licensed vehicles | |||
| Passenger vehicle | 100 | 180 | Varies by route |
| High-clearance vehicle | 100 | 180 | Varies by route |
| Truck | 100 | 180 | Varies by route |
| Bus | 100 | 180 | Varies by route |
| Motorhome | 100 | 180 | Varies by route |
Seasons
Of the 171.6 motorized miles here, about 112.2 miles are open year-round and 59.4 miles are seasonal — the seasonal window generally runs from 04/01 to 11/30 (MM/DD). Each vehicle class can carry its own season; see the access matrix above, and always confirm current status on the official Motor Vehicle Use Map.
Download the routes (GPX)
Load these into your GPS unit or riding app (onX, Gaia, Avenza and most handhelds read GPX).
Named routes
Show the 205 named routes in this district
Named routes on the MVUM and whether ATV and motorcycle use is designated on each. This is a per-district reference, not a separate page per route. Use the filter to find a route.
| 14 MILE CONNECTOR | · | ✓ |
|---|---|---|
| BAILEY BASIN | · | ✓ |
| BAILEY ELK CONNECTOR | ✓ | ✓ |
| BENCHMARK CREEK | · | ✓ |
| CROWN MOUNTAIN | · | ✓ |
| CUT REEF CREEK | · | ✓ |
| CYANIDE CREEK | ✓ | ✓ |
| FAIRVIEW CREEK | · | ✓ |
| FORD BASIN | · | ✓ |
| FORD BASIN OVERLOOK | · | ✓ |
| HANNAN GULCH EAST | ✓ | ✓ |
| HANNAN GULCH SHORTCUT | ✓ | ✓ |
| HANNAN GULCH WEST | ✓ | ✓ |
| HANNAN-BLACKTAIL CONNECTOR | ✓ | ✓ |
| HOME GULCH-LIME GULCH | · | ✓ |
| LANGE CREEK | · | ✓ |
| LONESOME RIDGE | · | ✓ |
| NORTH FORK WALDON TERRA | ✓ | ✓ |
| NORWEGIAN GULCH | · | ✓ |
| OLD BEAVER WILLOW | ✓ | ✓ |
| PETTY CROWN | · | ✓ |
| PETTY CROWN CONNECTOR | · | ✓ |
| PETTY-FORD CREEK | · | ✓ |
| RED LAKE | · | ✓ |
| RED LAKE MOTORCYCLE LOOP | · | ✓ |
| RENSHAW LAKE | · | ✓ |
| ROUTE CREEK PASS | · | ✓ |
| SOUTH FORK WALDRON TERRA | ✓ | ✓ |
| TETON FIREWOOD | ✓ | ✓ |
| TETON FW 1 | ✓ | ✓ |
| TETON FW 2 | ✓ | ✓ |
| TETON FW 3 | ✓ | ✓ |
| TETON FW 4 | ✓ | ✓ |
| TETON FW 5 | ✓ | ✓ |
| TETON FW 6 | ✓ | ✓ |
| WEST FORK ATV | ✓ | ✓ |
| 108-C | · | · |
| 109-D | · | · |
| 233005 | · | · |
| 3318-A2 DISPERSED SITE | · | · |
| AIRSTRIP ROAD | · | · |
| ASPEN CREEK TRACT - BURCHARD | · | · |
| BAILY BASIN DISPERSED A | · | · |
| BAILY BASIN DISPERSED B | · | · |
| BEAVER - WILLOW CREEK | · | · |
| BEAVER CR DISPERSED B | · | · |
| BEAVER CR DISPERSED C | · | · |
| BEAVER CR DISPERSED C1 | · | · |
| BEAVER CR DISPERSED D | · | · |
| BEAVER CR DISPERSED E | · | · |
| BEAVER CR DISPERSED F | · | · |
| BEAVER CR DISPERSED G | · | · |
| BEAVER CR DISPERSED H | · | · |
| BEAVER CR DISPERSED I | · | · |
| BEAVER CR DISPERSED J | · | · |
| BEAVER CR DISPERSED K | · | · |
| BEAVER CR DISPERSED L | · | · |
| BEAVER CR DISPERSED M | · | · |
| BEAVER CREEK TRAILHEAD | · | · |
| BEAVER DISPERSED 9154-B | · | · |
| BEAVER TRAILHEAD DISPERSED | · | · |
| BENCHMARK | · | · |
| BENCHMARK AIRFIELD | · | · |
| BENCHMARK CAMP B | · | · |
| BENCHMARK CAMP C | · | · |
| BENCHMARK CAMP D | · | · |
| BENCHMARK PACKER CORRALS | · | · |
| BENCHMARK RECREATION AREA | · | · |
| BENCHMARK SPUR A | · | · |
| BLACKLEAF CANYON | · | · |
| BLACKTAIL TH CAMPING | · | · |
| BLACKTAIL TRAILHEAD/DAM ACCESS | · | · |
| C-108002 | · | · |
| C-108003 | · | · |
| C-108004 | · | · |
| C-108C004 | · | · |
| C-109001 | · | · |
| C-109003 | · | · |
| C-109005 | · | · |
| C-109010 | · | · |
| C-144002 | · | · |
| C-144003 | · | · |
| C-144006 | · | · |
| C-144007 | · | · |
| C-144009 | · | · |
| C-144040 | · | · |
| C-145003 | · | · |
| C-233006 | · | · |
| C-233019 | · | · |
| C-235009 | · | · |
| C-235011 | · | · |
| C-235025 | · | · |
| C-235061 | · | · |
| C-235063 | · | · |
| C-235066 | · | · |
| C-235067 | · | · |
| C-235069 | · | · |
| C-3318A001 | · | · |
| C-6497005 | · | · |
| C-8958008 | · | · |
| C-8958009 | · | · |
| C-8982001 | · | · |
| C-8992003 | · | · |
| C-9167004 | · | · |
| C-9182002 | · | · |
| C-9206002 | · | · |
| C-9206003 | · | · |
| C-9229001 | · | · |
| C-BAILEY BASIN T.H. | · | · |
| CANAL ROAD - DIVERSION CAMP | · | · |
| CAVE MOUNTAIN CAMPGROUND | · | · |
| CHOTEAU RESIDENCE | · | · |
| CLARY COULEE TRAILHEAD | · | · |
| COW CREEK | · | · |
| CUND235016 | · | · |
| DEARBORN TRAILHEAD | · | · |
| DIVERSION CAMP DISPERSED LOOP | · | · |
| DIVERSION CAMP EAST SPUR | · | · |
| DIVERSION CAMP MIDDLE SPUR | · | · |
| DIVERSION CAMP SE SPUR | · | · |
| DIVERSION CAMP W LOOP | · | · |
| DIVERSION LAKE DISPERSED | · | · |
| DIVERSION LAKE DISPERSED A | · | · |
| DIVERSION LAKE DISPERSED B | · | · |
| DIVERSION LAKE DISPERSED C | · | · |
| DIVERSION LAKE DISPERSED D | · | · |
| DIVERSION LAKE DISPERSED E | · | · |
| DOUBLE FALLS - HALL | · | · |
| DOUBLE FALLS EAST TRACT ACCESS | · | · |
| ELK CR DISPERSED A | · | · |
| ELK CR DISPERSED B | · | · |
| ELK CR DISPERSED C | · | · |
| ELK CR DISPERSED D | · | · |
| ELK CR DISPERSED E | · | · |
| ELK CREEK | · | · |
| ELKO CAMP | · | · |
| FAIRMULE | · | · |
| FRENCH GULCH DISPERSED CAMPING | · | · |
| GIBSON DAM INTERPRETIVE | · | · |
| GIBSON OVERLOOK | · | · |
| GLADE CREEK TRACT RESIDENCES | · | · |
| GREEN GULCH | · | · |
| GREEN TIMBER CABIN - RUSSELL | · | · |
| GREEN TIMBER DISPERSED | · | · |
| HANNAN GUARD STATION | · | · |
| HANNAN GULCH | · | · |
| HOME GULCH | · | · |
| HOME GULCH BOAT LANDING | · | · |
| HOME GULCH CAMPGROUND | · | · |
| HOME GULCH TRAIL 267 ACCESS | · | · |
| JONES CREEK TRAILHEAD | · | · |
| LICK CREEK TRACT - LOWE | · | · |
| LICK CREEK TRACT - STAFFORD | · | · |
| LITTLE BADGER DISPERSED | · | · |
| LITTLE WILLOW TRAILHEAD | · | · |
| LOWER BEAVER CREEK | · | · |
| LOWER HOME DRIVEWAY | · | · |
| LUBEC LAKE | · | · |
| MARIAS PASS HISTORIC SITE | · | · |
| MASSEY CREEK TRACTS | · | · |
| MIDDLE FORK TETON RIVER | · | · |
| MIDDLE HOME TRACT ACCESS | · | · |
| MILL FALLS | · | · |
| MORTIMER GULCH CAMPGRND | · | · |
| MORTIMER GULCH CG SPUR | · | · |
| MOWITCH BASIN | · | · |
| MULE CREEK TRACT - SIEGEL | · | · |
| N. F. SUN TRAILHEAD PARKING | · | · |
| N.F. SUN T. H. LONG UNIT SPUR | · | · |
| NORTH FORK DUPUYER CREEK | · | · |
| NORTH FORK TETON RIVER | · | · |
| NORWEGIAN GULCH DISP. CAMPING | · | · |
| OLD BEAVER CR. ROAD | · | · |
| PETTY FORD T.H. | · | · |
| PIKE CREEK | · | · |
| RED LAKE TRAIL HEAD | · | · |
| RIDGE ROAD | · | · |
| ROUTE CREEK PASS TRAILHEAD | · | · |
| S.F. CAMP - NORTH LOOP | · | · |
| S.F. CAMP - SOUTH LOOP | · | · |
| SAWMILL FLAT | · | · |
| SOUTH FORK TETON RIVER | · | · |
| STRAIGHT CR PACKER CAMP | · | · |
| SUMMIT CAMPGROUND NORTH LOOP | · | · |
| SUMMIT CAMPGROUND SOUTH LOOP | · | · |
| SUN RIVER | · | · |
| TETON FIREWOOD ACCESS#3 | · | · |
| TETON PASS SKI AREA | · | · |
| WAGNER BASIN TRAILHEAD | · | · |
| WEST FORK CG TOILET | · | · |
| WEST FORK GUARD STATION | · | · |
| WEST FORK TETON CAMPGROUND | · | · |
| WEST FORK TETON RIVER | · | · |
| WHITE ROCK | · | · |
| WHITETAIL | · | · |
| WHITEWATER TRACT - KAUFMAN | · | · |
| WILLOW CREEK GUARD STA. | · | · |
| WILLOW CREEK TRAILHEAD | · | · |
| WOOD LAKE BOAT LANDING | · | · |
| WOOD LAKE CAMPGROUND | · | · |
| WOOD LAKE HOGBACK | · | · |
| WOOD LAKE PARKING | · | · |
| WOODLAKE BOAT LAUNCH | · | · |
| WOODLAKE BOAT TURN AROUND | · | · |
| WOODLAKE CAMPGROUND SPUR A | · | · |
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.
This page is a searchable summary of the Forest Service Motor Vehicle Use Map data — it is not the official MVUM and not a legal document. Route designations, closures and conditions change. The controlling document is the district's official Motor Vehicle Use Map: carry it and follow posted signs when you ride.
Data vintage: USFS EDW MVUM, retrieved 2026-07-11.
Nearby districts
The six nearest ranger districts by centroid distance (great-circle) — cross-forest and cross-state neighbours included — for planning a wider trip.
| District | Forest | Total miles | Distance |
|---|---|---|---|
| Spotted Bear Ranger District | Flathead National Forest, MT | 106.2 | 70 km |
| Seeley Lake Ranger District | Lolo National Forest, MT | 343 | 71 km |
| Lincoln Ranger District | Helena-Lewis and Clark National Forest, MT | 304.5 | 79 km |
| Swan Lake Ranger District | Flathead National Forest, MT | 455.6 | 95 km |
| Hungry Horse Ranger District | Flathead National Forest, MT | 278.7 | 107 km |
| Helena Ranger District | Helena-Lewis and Clark National Forest, MT | 447.6 | 126 km |
Frequently asked questions
- Can you ride an ATV in the Rocky Mountain Ranger District?
- Yes. The MVUM designates ATV use on about 21.7 miles across 85 routes here (varies by route). Confirm on the district's official Motor Vehicle Use Map before you ride.
- How many miles of motorized routes are in the Rocky Mountain Ranger District?
- 171.6 miles total — 100 miles of roads and 71.6 miles of trails, across 340 designated routes on the Forest Service MVUM.
- Is this the official Motor Vehicle Use Map?
- No. This page is an informational, searchable view of the MVUM route data. It is not a legal document. The controlling document is the district's official MVUM — always carry and follow it.
- Are the routes open year-round?
- Partly. About 112.2 miles are open year-round and 59.4 miles are seasonal (typically open Apr 1 to Nov 30). Each vehicle class can have its own season — see the access matrix above.
More in Montana
See every ranger district in Helena-Lewis and Clark National Forest, browse all Montana national-forest routes, or read the methodology behind these figures. New to MVUMs? Start with what a Motor Vehicle Use Map is.