Sioux Ranger District
The Sioux Ranger District in Custer National Forest (Montana) has 296.5 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 206.9 miles of roads and 89.6 miles of trails across 157 designated routes. Vehicle access: ATV 144.4 mi · Motorcycle 144.4 mi. Seasonal routes generally open Dec 1 and close Oct 14. 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
- 296.5
- Roads
- 206.9 mi
- Trails
- 89.6 mi
- Year-round miles
- 183.2 mi
- Seasonal miles
- 113.3 mi
206.9 mi of roads · 89.6 mi of trails, across 157 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 | 144.4 | 48 | Varies by route |
| Motorcycle / dirt bike | 144.4 | 48 | Varies by route |
| Other wheeled OHV | 144.4 | 48 | Varies by route |
| Wider OHV (over 50 inches) | |||
| 4WD > 50" | 144.4 | 48 | Varies by route |
| 2WD > 50" | 144.4 | 48 | Varies by route |
| Tracked OHV > 50" | 144.4 | 48 | Varies by route |
| Other OHV > 50" | 144.4 | 48 | Varies by route |
| Narrow OHV (under 50 inches) | |||
| Tracked OHV < 50" | 87.9 | 30 | Varies by route |
| Other OHV < 50" | 87.9 | 30 | Varies by route |
| E-bikes | |||
| E-bike Class 1 | — | — | Not designated |
| E-bike Class 2 | — | — | Not designated |
| E-bike Class 3 | — | — | Not designated |
| Road-legal / licensed vehicles | |||
| Passenger vehicle | 208.4 | 124 | Year-round |
| High-clearance vehicle | 296.3 | 154 | Varies by route |
| Truck | 208.4 | 124 | Varies by route |
| Bus | 208.4 | 124 | Varies by route |
| Motorhome | 208.4 | 124 | Year-round |
Seasons
Of the 296.5 motorized miles here, about 183.2 miles are open year-round and 113.3 miles are seasonal — the seasonal window generally runs from 12/01 to 10/14 (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 123 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.
| 30511 | ✓ | ✓ |
|---|---|---|
| 3111 BOX SPRINGS | ✓ | ✓ |
| 31133 | ✓ | ✓ |
| 31138 | ✓ | ✓ |
| 31151 | ✓ | ✓ |
| 3125B | ✓ | ✓ |
| 31481 | ✓ | ✓ |
| 31482 | ✓ | ✓ |
| 31483 | ✓ | ✓ |
| 315010 | ✓ | ✓ |
| 31503 | ✓ | ✓ |
| 31503B | ✓ | ✓ |
| 31504 | ✓ | ✓ |
| 31504-A | ✓ | ✓ |
| 31507 | ✓ | ✓ |
| ANA SPRING | ✓ | ✓ |
| BELL TOWER DIVIDE | ✓ | ✓ |
| BLARNEY CASTLE | ✓ | ✓ |
| BOBCAT | ✓ | ✓ |
| BURDITT SPRINGS RD | ✓ | ✓ |
| CARTER SPRING DIVIDE | ✓ | ✓ |
| DEAD HORSE DIVIDE | ✓ | ✓ |
| DEADHORSE | ✓ | ✓ |
| DEER DRAW | ✓ | ✓ |
| DEVILS CANYON | ✓ | ✓ |
| EXIE | ✓ | ✓ |
| FLATHERS | ✓ | ✓ |
| HALBERT GULCH CROSSOVER | ✓ | ✓ |
| HOAG COAL MINE DRAW | ✓ | ✓ |
| IRON SPRING | ✓ | ✓ |
| J B PASS | ✓ | ✓ |
| JOHNNY POCKET SPRING | ✓ | ✓ |
| LAMPKIN GULCH | ✓ | ✓ |
| LOST FARM/BELLTOWER DIVIDE | ✓ | ✓ |
| MAVERICK CR | ✓ | ✓ |
| MCCLARY ROAD | ✓ | ✓ |
| PETERSON CANYON | ✓ | ✓ |
| POT HOLE | ✓ | ✓ |
| S CAVE HILLS | ✓ | ✓ |
| SNOW CREEK | ✓ | ✓ |
| SPEELMON CR. | ✓ | ✓ |
| SUMMER SPRING 2 | ✓ | ✓ |
| SUMMIT DIVIDE | ✓ | ✓ |
| WARD GULCH | ✓ | ✓ |
| WICKHAM GULCH | ✓ | ✓ |
| 30501 | · | · |
| 3101C | · | · |
| 3101D | · | · |
| 3102A | · | · |
| 31042 | · | · |
| 31044 | · | · |
| 3107 | · | · |
| 31153 | · | · |
| 3117C | · | · |
| 312310 | · | · |
| 31233 | · | · |
| 312411 | · | · |
| 312412 | · | · |
| 312417 | · | · |
| 312419 | · | · |
| 312421 | · | · |
| 31245 | · | · |
| 31248 | · | · |
| 31261 | · | · |
| 3158A | · | · |
| 3158B | · | · |
| 31602 | · | · |
| 3812A | · | · |
| 3812A1 | · | · |
| 38161 | · | · |
| 381612 | · | · |
| 38162 | · | · |
| 38163 | · | · |
| 38500 | · | · |
| ABROGAST | · | · |
| BLACK SPRING | · | · |
| BLACKTAIL DIVIDE | · | · |
| BURDITT SPRINGS RD 3057W | · | · |
| BUTLER GULCH | · | · |
| CAMP NEEDMORE 1 | · | · |
| CAMP NEEDMORE 2 | · | · |
| CAMP NEEDMORE 3 | · | · |
| CAPITAL ROCK | · | · |
| COBBLE STONE | · | · |
| CRAIG PASS (ODELL CREEK) | · | · |
| DOC HODGE DRAW | · | · |
| DUGAN DRAW | · | · |
| EKALAKA PARK CMPGRND. | · | · |
| FOSTER ROAD | · | · |
| FULLER PASS | · | · |
| HIDDEN SPRING | · | · |
| HIGH AND DRY | · | · |
| J T SMITH | · | · |
| JESSE ELLIOT | · | · |
| LANTIS SPRING CAMPGRD | · | · |
| MC NAB POND CAMPGROUND | · | · |
| MC NAB POND CG UPPER LOOP | · | · |
| MOLSTAD | · | · |
| MOLSTAD CEMETERY | · | · |
| MOREAU PEAK | · | · |
| MOWBRY | · | · |
| N.SLICK CREEK | · | · |
| OLIVER SPRINGS | · | · |
| OLSON | · | · |
| OPEECHE PARK | · | · |
| PENDELTON | · | · |
| PICNIC SPRING RD | · | · |
| PICNIC SPRINGS CMPGRND. | · | · |
| PLANTATION | · | · |
| PLUM CREEK | · | · |
| RED BLUFF | · | · |
| REDCROSS | · | · |
| REVA CAMPGROUND | · | · |
| RIDGE ROAD | · | · |
| RILEY PASS | · | · |
| RIMROCK CARTER/CAMP NEEDMORE | · | · |
| RUSTLER DIVIDE | · | · |
| STAGVILLE DRAW | · | · |
| TRENK PASS | · | · |
| URANIUM ROAD | · | · |
| W SHORT PINES | · | · |
| WARD | · | · |
| WICKHAM GULCH PICNIC AREA | · | · |
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 |
|---|---|---|---|
| Grand River Ranger District | Dakota Prairie Grasslands, SD | 382.6 | 126 km |
| Bearlodge Ranger District | Black Hills National Forest, WY | 338.7 | 139 km |
| Northern Hills Ranger District | Black Hills National Forest, SD | 973.8 | 156 km |
| Ashland Ranger District | Custer National Forest, MT | 571.3 | 170 km |
| Mystic Ranger District | Black Hills National Forest, SD | 1,217.2 | 185 km |
| Hell Canyon Ranger District | Black Hills National Forest, SD | 1,242.5 | 208 km |
Frequently asked questions
- Can you ride an ATV in the Sioux Ranger District?
- Yes. The MVUM designates ATV use on about 144.4 miles across 48 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 Sioux Ranger District?
- 296.5 miles total — 206.9 miles of roads and 89.6 miles of trails, across 157 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 183.2 miles are open year-round and 113.3 miles are seasonal (typically open Dec 1 to Oct 14). Each vehicle class can have its own season — see the access matrix above.
More in Montana
See every ranger district in Custer 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.