OHV Trail Finder

Ashland Ranger District

Custer National Forest · Montana · 571.3 mi of motorized routes · 338 routes · USFS EDW MVUM, retrieved 2026-07-11

The Ashland Ranger District in Custer National Forest (Montana) has 571.3 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 149.6 miles of roads and 421.7 miles of trails across 338 designated routes. Vehicle access: ATV 447.5 mi · Motorcycle 447.5 mi. Seasonal routes generally open Dec 2 and close Aug 31. 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.

Every designated motorized route in the Ashland Ranger District, drawn from the MVUM geometry (simplified, not to scale, north up). The static map is an instant preview — open the interactive map to explore the routes on a USGS topographic or satellite basemap. Download the routes as GPX below.
Motorized routes Custer National Forest · Montana
Total motorized miles
571.3

149.6 mi of roads · 421.7 mi of trails, across 338 designated routes on the Motor Vehicle Use Map.

Roads
149.6 mi
Trails
421.7 mi
Year-round miles
530.4 mi
Seasonal miles
26.7 mi

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.

Per-vehicle-class access in the Ashland Ranger District, from the Forest Service MVUM.
Vehicle class Open miles Routes Season
Core off-highway (OHV)
ATV 447.5 215 Varies by route
Motorcycle / dirt bike 447.5 215 Varies by route
Other wheeled OHV 410.8 203 Varies by route
Wider OHV (over 50 inches)
4WD > 50" 398 199 Varies by route
2WD > 50" 398 199 Varies by route
Tracked OHV > 50" 398 199 Varies by route
Other OHV > 50" 398 199 Varies by route
Narrow OHV (under 50 inches)
Tracked OHV < 50" 410.8 203 Varies by route
Other OHV < 50" 410.8 203 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 136 94 Year-round
High-clearance vehicle 534 293 Varies by route
Truck 136 94 Year-round
Bus 136 94 Year-round
Motorhome 136 94 Year-round

Seasons

Of the 571.3 motorized miles here, about 530.4 miles are open year-round and 26.7 miles are seasonal — the seasonal window generally runs from 12/02 to 08/31 (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).

Download all routes (GPX) ATV-legal routes only (GPX)

Named routes

Show the 233 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.

Named routes in the Ashland Ranger District with ATV / motorcycle designations.
40011 ✓ ✓
40012 ✓ ✓
40231 ✓ ✓
40232 ✓ ✓
40233 ✓ ✓
40301 ✓ ✓
40322 ✓ ✓
40925 ✓ ✓
40927 ✓ ✓
40929 ✓ ✓
409410 ✓ ✓
409411 ✓ ✓
409412 ✓ ✓
40942 ✓ ✓
40943 ✓ ✓
40944 ✓ ✓
40945 ✓ ✓
40946 ✓ ✓
40947 ✓ ✓
40949 ✓ ✓
40951 ✓ ✓
40952 ✓ ✓
40953 ✓ ✓
40955 ✓ ✓
40956 ✓ ✓
40957 ✓ ✓
41277 ✓ ✓
41313 ✓ ✓
41315 ✓ ✓
41317 ✓ ✓
41319 ✓ ✓
41333 ✓ ✓
41334 ✓ ✓
41336 ✓ ✓
41338 ✓ ✓
421210 ✓ ✓
421214 ✓ ✓
42125 ✓ ✓
44094 ✓ ✓
44104 ✓ ✓
44112 ✓ ✓
44191 ✓ ✓
44192 ✓ ✓
44202 ✓ ✓
44210 ✓ ✓
44311 ✓ ✓
44322 ✓ ✓
44323 ✓ ✓
4432A ✓ ✓
4432C ✓ ✓
4432D ✓ ✓
4432F ✓ ✓
4432I ✓ ✓
4432K ✓ ✓
4432S ✓ ✓
44342 ✓ ✓
44351 ✓ ✓
4436A ✓ ✓
4436B ✓ ✓
4436C ✓ ✓
4436D ✓ ✓
44371 ✓ ✓
44372 ✓ ✓
44372A ✓ ✓
44374 ✓ ✓
44401 ✓ ✓
44501 ✓ ✓
44502 ✓ ✓
44601 ✓ ✓
44631 ✓ ✓
44672 ✓ ✓
45014 ✓ ✓
45015 ✓ ✓
45021 ✓ ✓
45022 ✓ ✓
45023 ✓ ✓
4503 ✓ ✓
45152 ✓ ✓
45161 ✓ ✓
47031 ✓ ✓
470314 ✓ ✓
47032 ✓ ✓
47033 ✓ ✓
470331 ✓ ✓
47035 ✓ ✓
47036 ✓ ✓
47671 ✓ ✓
47672 ✓ ✓
47696 ✓ ✓
47704 ✓ ✓
47721 ✓ ✓
4776B ✓ ✓
4776D ✓ ✓
47781 ✓ ✓
47782 ✓ ✓
47792 ✓ ✓
477922 ✓ ✓
47832 ✓ ✓
47833 ✓ ✓
47841 ✓ ✓
47842 ✓ ✓
47844 ✓ ✓
47846 ✓ ✓
47848 ✓ ✓
47851 ✓ ✓
47852 ✓ ✓
47853 ✓ ✓
47854 ✓ ✓
47855 ✓ ✓
47856 ✓ ✓
478561 ✓ ✓
47857 ✓ ✓
47861 ✓ ✓
47865 ✓ ✓
47902 ✓ ✓
47903 ✓ ✓
47906 ✓ ✓
47921 ✓ ✓
47932 ✓ ✓
47942 ✓ ✓
47951 ✓ ✓
47953 ✓ ✓
47954 ✓ ✓
47972 ✓ ✓
47982 ✓ ✓
4799 ✓ ✓
48012 ✓ ✓
48014 ✓ ✓
48058 ✓ ✓
48094 ✓ ✓
ASH CREEK ✓ ✓
BOUNDARY RESERVOIR ✓ ✓
BREWSTER DIVIDE ✓ ✓
BRIAN CREEK ✓ ✓
BRIDGE CANYON ✓ ✓
BRIDGE CREEK ✓ ✓
BROWN COW ✓ ✓
CABIN CREEK ✓ ✓
COAL CR ✓ ✓
COALMINE PROJ RD ✓ ✓
COOK CREEK ✓ ✓
COOK MT DIVIDE ✓ ✓
COW CREEK ✓ ✓
CUB CREEK ✓ ✓
DAILY CREEK ✓ ✓
DOONAN DRAW ✓ ✓
DROP TUBE ✓ ✓
EAST FORK SPRING ✓ ✓
FLY CREEK ✓ ✓
FORT HOWES COMM SITE ✓ ✓
GOOSEBERRY DRAW ✓ ✓
GRIFFIN PASS ✓ ✓
HAY STOCKER ✓ ✓
HORSE CREEK ✓ ✓
HORSE CREEK BUTTE ✓ ✓
INDIAN TAYLOR CR DIVIDE ✓ ✓
KING CREEK ✓ ✓
LEMONADE ROAD ✓ ✓
LISCOM BUTTE LOOKOUT ✓ ✓
LISCOM BUTTE WEST ✓ ✓
LOGGING CREEK ✓ ✓
LOWER PLUM CR ✓ ✓
LYON CREEK ✓ ✓
MASON PRONG ✓ ✓
MIDDLE PLUM CR ✓ ✓
N.FK.BLOOM CREEK ✓ ✓
N.FORK TAYLOR CREEK ✓ ✓
NEWELL CREEK ✓ ✓
O'DELL CREEK ✓ ✓
O'DELL DIVIDE ✓ ✓
PAGET CREEK ✓ ✓
PLUM CR ✓ ✓
POKER JIM BUTTE ✓ ✓
POKER JIM N FORK LEE ✓ ✓
POND ROAD ✓ ✓
PUMPKIN-OTTER DIVIDE ✓ ✓
RIDGE ROAD ✓ ✓
RIDGE ROAD SPUR ✓ ✓
ROBERTS CREEK ✓ ✓
SCHOOLHOUSE DRAW ✓ ✓
SOUTH ASH CREEK ✓ ✓
SOUTH FORK POKER JIM ✓ ✓
SOUTH PLUM CREEK ✓ ✓
STAG ROCK ✓ ✓
STOCKER BRANCH ✓ ✓
TAYLOR DIVIDE ✓ ✓
TAYLOR-15MILE CREEK ✓ ✓
TEN FIFTEEN MILE ✓ ✓
THREE & TEN MILE DIVIDE ✓ ✓
THREE MILE ✓ ✓
TOOLEY DIVIDE ✓ ✓
WILBUR CREEK ✓ ✓
WILD HOG BUTTE ✓ ✓
YAGER ✓ ✓
20 MILE RANGER STATION · ·
40211 · ·
40342 · ·
409211 · ·
41272 · ·
41274 · ·
44272A · ·
4435 · ·
45103 · ·
45201 · ·
47731 · ·
4784F · ·
ASHLAND PARKING LOT · ·
BEAR CR · ·
BEAVER - LISCOM · ·
BEAVER CR · ·
BEAVER PUMPKIN DIVIDE · ·
BEAVER STACEY · ·
DIAMOND BUTTE · ·
E FK LITTLE PUMPKIN · ·
FIFTEEN MILE · ·
GARY BULL'S DRIVEWAY · ·
GOODWIN SHOP DRIVEWAY · ·
HOLIDAY CAMPGROUND · ·
INDIAN CREEK · ·
PICNIC AREA/CAMP GROUND · ·
POKER JIM LOOKOUT · ·
REANUS CONE ROAD · ·
RED SHALE CPGD EAST LOOP · ·
RED SHALE CPGD WEST LOOP · ·
RED TOP · ·
SUICIDE PASS · ·
TEN MILE CR. · ·
TOOLEY CREEK · ·
UPPER HOME CREEK · ·
UPPER SOUTH FORK · ·
WHITETAIL ADMIN. SITE · ·
WILBUR CREEK CUTOFF · ·
YAGER BUTTE · ·

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.

Important — informational, not a legal document

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.

Official Motor Vehicle Use Map for Custer National Forest →

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.

Nearby ranger districts, with total motorized miles and distance.
District Forest Total miles Distance
Tongue Ranger District Bighorn National Forest, WY 427.2 129 km
Powder River Ranger District Bighorn National Forest, WY 217.1 150 km
Medicine Wheel Ranger District Bighorn National Forest, WY 250.5 150 km
Sioux Ranger District Custer National Forest, MT 296.5 170 km
Bearlodge Ranger District Black Hills National Forest, WY 338.7 181 km
Douglas Ranger District/Thunder Basin National Grassland Medicine Bow-Routt National Forest, WY 1,290.5 222 km

Frequently asked questions

Can you ride an ATV in the Ashland Ranger District?
Yes. The MVUM designates ATV use on about 447.5 miles across 215 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 Ashland Ranger District?
571.3 miles total — 149.6 miles of roads and 421.7 miles of trails, across 338 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 530.4 miles are open year-round and 26.7 miles are seasonal (typically open Dec 2 to Aug 31). 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.