Can you ride an ATV in the Sulphur Ranger District?

Yes. The MVUM designates ATV use on about 385.6 miles across 217 routes here (varies by route). Confirm on the district's official Motor Vehicle Use Map before you ride.

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 35.3 miles are open year-round and 408.8 miles are seasonal (typically open Jun 1 to Nov 15). Each vehicle class can have its own season — see the access matrix above.

Sulphur Ranger District

Q: How many miles of motorized routes are in the Sulphur Ranger District?

444.1 miles total — 354.5 miles of roads and 89.6 miles of trails, across 312 designated routes on the Forest Service MVUM.

Arapaho and Roosevelt National Forests · Colorado · 444.1 mi of motorized routes · 312 routes · USFS EDW MVUM, retrieved 2026-07-11

The Sulphur Ranger District in Arapaho and Roosevelt National Forests (Colorado) has 444.1 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 354.5 miles of roads and 89.6 miles of trails across 312 designated routes. Vehicle access: ATV 385.6 mi · Motorcycle 408.6 mi. Seasonal routes generally open Jun 1 and close Nov 15. 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 Sulphur 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 Arapaho and Roosevelt National Forests · Colorado

Total motorized miles: 444.1
Roads: 354.5 mi
Trails: 89.6 mi
Year-round miles: 35.3 mi
Seasonal miles: 408.8 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 Sulphur Ranger District, from the Forest Service MVUM.
Vehicle class	Open miles	Routes	Season
Core off-highway (OHV)
ATV	385.6	217	Varies by route
Motorcycle / dirt bike	408.6	224	Varies by route
Other wheeled OHV	385.6	217	Varies by route
Wider OHV (over 50 inches)
4WD > 50"	319	187	Varies by route
2WD > 50"	319	187	Varies by route
Tracked OHV > 50"	319	187	Varies by route
Other OHV > 50"	319	187	Varies by route
Narrow OHV (under 50 inches)
Tracked OHV < 50"	385.6	217	Varies by route
Other OHV < 50"	385.6	217	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	354.5	275	Varies by route
High-clearance vehicle	354.5	275	Varies by route
Truck	354.5	275	Varies by route
Bus	354.5	275	Varies by route
Motorhome	354.5	275	Varies by route

Seasons

Of the 444.1 motorized miles here, about 35.3 miles are open year-round and 408.8 miles are seasonal — the seasonal window generally runs from 06/01 to 11/15 (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 185 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.

Filter routes

Named routes in the Sulphur Ranger District with ATV / motorcycle designations.

AFTER BURN ROAD	✓	✓
APIATAN MOUNTAIN ROAD	✓	✓
AQUADUCT ROAD	✓	✓
AQUEDUCT ROAD	✓	✓
BEAVER CREEK	✓	✓
BEAVER CREEK DISPERSED CG	✓	✓
BEAVER CREEK DISPERSED CG SPUR	✓	✓
BEAVER CREEK SOUTH	✓	✓
BEAVER CREEK SPUR	✓	✓
BEAVER RIDGE	✓	✓
BIG CAMPSITE SPUR	✓	✓
BIG MEADOWS	✓	✓
BILL MILLER TH ACCESS	✓	✓
BLUE RIDGE	✓	✓
BLUE STAR PG	✓	✓
BOULDER WAGON	✓	✓
BOWEN GULCH INTER TR ACC	✓	✓
BOWEN MTN. SPUR	✓	✓
BUFFALO CREEK	✓	✓
CABIN CREEK	✓	✓
CABIN OVERLOOK	✓	✓
CAMP SITES	✓	✓
CARIBOU	✓	✓
CARIBOU SPUR	✓	✓
CONTTONWOOD REPEATER	✓	✓
COOK CREEK	✓	✓
CROOKED CREEK ROAD	✓	✓
CROOKED CREEK/KEYSER CR	✓	✓
DAM RD	✓	✓
DEVILS THUMB TRAILHEAD	✓	✓
DINGO	✓	✓
DWB	✓	✓
EAST ELK CREEK	✓	✓
ELK CREEK	✓	✓
GILSONITE	✓	✓
GILSONITE ACCESS ROAD	✓	✓
GOLD RUN	✓	✓
GOLD RUN SPUR	✓	✓
GRASSY AREA	✓	✓
GRAVEL MOUNTAIN 4X4 ROAD	✓	✓
GRAVEL MT. SPUR	✓	✓
GRAVEL MTN	✓	✓
GROOMER SHED ACCESS	✓	✓
HISTORICAL RR	✓	✓
HOLLY	✓	✓
HORSESHOE SNOWMOBILE PARKING	✓	✓
HULL CREEK ROAD	✓	✓
HURD CREEK	✓	✓
JONES PASS	✓	✓
JUNCO	✓	✓
JUNCO SPUR	✓	✓
KAWUNEECHE	✓	✓
KELLY CREEK	✓	✓
KEYSER CREEK DITCH ACCESS	✓	✓
KEYSER RIDGE	✓	✓
KINNEY CR	✓	✓
LAKE EVELYN ROAD	✓	✓
LAKE EVELYN SPUR	✓	✓
LELAND CREEK	✓	✓
LELAND SPURS	✓	✓
LITTLE GRAVEL MOUNTAIN ROAD	✓	✓
LITTLE MUDDY CREEK SPUR	✓	✓
LITTLE VASQUEZ	✓	✓
LONG PEAK	✓	✓
LOST LAKE	✓	✓
MAYA	✓	✓
MEADOW CREEK	✓	✓
MEADOW CRK 1ST TOILET PARKING	✓	✓
MOFFAT ROAD	✓	✓
MORGAN GULCH SPUR	✓	✓
MUDDY CREEK	✓	✓
MULE CREEK	✓	✓
MULSTAY	✓	✓
MULSTAY 4X4 ROAD	✓	✓
MULSTAY SPURS	✓	✓
N. WILLOW CREEK #2	✓	✓
NORTH SUPPLY ROAD	✓	✓
OHMY ROAD	✓	✓
PARKVIEW MTN MINE	✓	✓
PARKVIEW SPUR	✓	✓
PARKVIEW SPUR D	✓	✓
POND	✓	✓
PTARMIGAN	✓	✓
ROLLINS PASS TRAILHEAD ROAD	✓	✓
SAINT LOUIS CREEK	✓	✓
SEARCHLIGHT	✓	✓
SEVEN SISTERS	✓	✓
SOUTH CABIN CREEK	✓	✓
SOUTH FORK	✓	✓
SOUTH FORK SPUR 1C	✓	✓
SOUTH SUPPLY ROAD	✓	✓
STILLWATER CREEK	✓	✓
STILLWATER PASS	✓	✓
STILLWATER SUMMIT	✓	✓
STRAWBERRY DITCH ROAD	✓	✓
SUNKEN BRIDGES NORTH	✓	✓
SUPPLY CREEK	✓	✓
SUPPLY CREEK LOWER	✓	✓
THE GRAVE ROAD	✓	✓
THIRD PARK	✓	✓
TRAIL CREEK	✓	✓
TRAIL CREEK JEEP ROAD	✓	✓
TRAIL CREEK JEEP ROAD SPUR	✓	✓
TRAIL CREEK ROAD	✓	✓
TUNNEL 3 AREA	✓	✓
TUNNEL HILL	✓	✓
UTE CREEK BY-PASS	✓	✓
VAGABOND	✓	✓
VASQUEZ	✓	✓
WAPA#2	✓	✓
WEST ELK CREEK	✓	✓
WEST VASQUEZ	✓	✓
WHISTLER CREEK	✓	✓
WILLIAMS DIVIDE	✓	✓
WILLIAMS FORK	✓	✓
AA BAR	·	·
ARAPAHO BAY	·	·
BIG ROCK LOOP	·	·
BOAT RAMP	·	·
BUSSY HILL ROAD	·	·
BYERS PEAK ROAD	·	·
CUTTHROAT BAY CG	·	·
DENVER CK CG HOST SPUR	·	·
DENVER CREEK CG	·	·
DENVER CREEK CG EAST	·	·
EAST PARKING LOOP	·	·
EAST SUNSET ACCESS	·	·
FOOL CREEK	·	·
GREEN RIDGE CAMPGROUND	·	·
GREEN RIDGE CG EAST LOOP	·	·
GREEN RIDGE CG FAR WEST LOOP	·	·
GREEN RIDGE CG NEAR WEST LOOP	·	·
GREENRIDGE ACCESS	·	·
HILLTOP BOAT LAUNCH	·	·
HORSESHOE CG	·	·
IDLEWILD CG	·	·
IDLEWILD CG LOWER LOOP NORTH	·	·
IDLEWILD CG LOWER LOOP SOUTH	·	·
IDLEWILD CG TOILET LOOP	·	·
KEYSER CREEK SUMMER HOMES	·	·
KING CREEK	·	·
MARY JANE SKI AREA	·	·
MIDLAND PARK PG	·	·
MORAINE LOOP	·	·
MORAINE LOOP CUTOFF	·	·
MORAINE LOOP SPUR	·	·
PINE BEACH PG	·	·
PINE BEACH PG A	·	·
PINE BEACH PG B	·	·
PINE BEACH PG C	·	·
POINT PARK	·	·
PUMP HOUSE SPUR	·	·
QUINETTE POINT	·	·
RAINBOW BAY	·	·
ROARING FORK	·	·
ROARING FORK LOOP	·	·
ROARING FORK TH	·	·
ROARING SHORT-CUT	·	·
ROBBERS ROOST CG	·	·
RV DUMP STATION ROAD	·	·
SAINT LOUIS CREEK CG	·	·
SHADOW MOUNTAIN PG	·	·
SHADOW MTN BOAT LAUNCH	·	·
SHADOW MTN DAM	·	·
SOUTH FORK CG	·	·
STILLWATER CG LOOP A	·	·
STILLWATER CG LOOP B	·	·
STILLWATER CG LOOP C	·	·
STILLWATER CG PKING BOAT RMP	·	·
STILLWATER CG SOUTH PARKING	·	·
SUGARLOAF CG	·	·
SUGARLOAF PG	·	·
SUNSET POINT	·	·
SUNSET PT CG	·	·
SUNSET PT SUBDIVISION ACCESS	·	·
TRAIL CR. TH/TROUBLESOME ACCES	·	·
UTE PASS	·	·
WEST PARKING LOOP	·	·
WEST ST LOUIS CREEK	·	·
WILLOW CR CANAL	·	·
WILLOW CREEK CG LOOP A	·	·
WILLOW CREEK CG LOOP B	·	·
WILLOW CREEK NORTH	·	·
WILLOW CREEK RESERVOIR	·	·
WINTER PARK DRIVE	·	·

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 Arapaho and Roosevelt National Forests →

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
Boulder Ranger District	Arapaho and Roosevelt National Forests, CO	210.8	39 km
Clear Creek Ranger District	Arapaho and Roosevelt National Forests, CO	175.4	44 km
Dillon Ranger District	White River National Forest, CO	163.8	52 km
Parks Ranger District	Medicine Bow-Routt National Forest, CO	548.5	60 km
Holy Cross Ranger District	White River National Forest, CO	247.8	65 km
Yampa Ranger District	Medicine Bow-Routt National Forest, CO	198.8	70 km

Frequently asked questions

Can you ride an ATV in the Sulphur Ranger District?: Yes. The MVUM designates ATV use on about 385.6 miles across 217 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 Sulphur Ranger District?: 444.1 miles total — 354.5 miles of roads and 89.6 miles of trails, across 312 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 35.3 miles are open year-round and 408.8 miles are seasonal (typically open Jun 1 to Nov 15). Each vehicle class can have its own season — see the access matrix above.

More in Colorado

See every ranger district in Arapaho and Roosevelt National Forests, browse all Colorado national-forest routes, or read the methodology behind these figures. New to MVUMs? Start with what a Motor Vehicle Use Map is.