Mountaintop Ranger District
The Mountaintop Ranger District in San Bernardino National Forest (California) has 410 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 394.3 miles of roads and 15.7 miles of trails across 283 designated routes. Vehicle access: ATV 112.6 mi · Motorcycle 114.6 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
- 410
- Roads
- 394.3 mi
- Trails
- 15.7 mi
- Year-round miles
- 407.4 mi
- Seasonal miles
- 2.7 mi
394.3 mi of roads · 15.7 mi of trails, across 283 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 | 112.6 | 67 | Year-round |
| Motorcycle / dirt bike | 114.6 | 70 | Year-round |
| Other wheeled OHV | 111.8 | 63 | Year-round |
| Wider OHV (over 50 inches) | |||
| 4WD > 50" | 107.8 | 46 | Year-round |
| 2WD > 50" | 103.8 | 42 | Year-round |
| Tracked OHV > 50" | 103.8 | 42 | Year-round |
| Other OHV > 50" | 103.8 | 42 | Year-round |
| Narrow OHV (under 50 inches) | |||
| Tracked OHV < 50" | 103.8 | 42 | Year-round |
| Other OHV < 50" | 103.8 | 42 | Year-round |
| E-bikes | |||
| E-bike Class 1 | 0 | 22 | Year-round |
| E-bike Class 2 | 0 | 22 | Year-round |
| E-bike Class 3 | 0 | 22 | Year-round |
| Road-legal / licensed vehicles | |||
| Passenger vehicle | 392.2 | 245 | Varies by route |
| High-clearance vehicle | 394.3 | 247 | Varies by route |
| Truck | 392.2 | 245 | Varies by route |
| Bus | 392.2 | 245 | Varies by route |
| Motorhome | 392.2 | 245 | Varies by route |
Seasons
Of the 410 motorized miles here, about 407.4 miles are open year-round and 2.7 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 201 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.
| 2N61Y (OHV) | ✓ | ✓ |
|---|---|---|
| 2N61YA | ✓ | ✓ |
| 2N69Y | ✓ | ✓ |
| 3N56 | ✓ | ✓ |
| 3N67 | ✓ | ✓ |
| ARRASTRE CREEK | ✓ | ✓ |
| ASH MEADOWS | ✓ | ✓ |
| BANFF | ✓ | ✓ |
| BIG PINE FLAT | ✓ | ✓ |
| BROOM FLATS | ✓ | ✓ |
| CARBINE FLAT (OHV) | ✓ | ✓ |
| CLEGHORN RIDGE (OHV) | ✓ | ✓ |
| COXEY | ✓ | ✓ |
| CRAB FLAT LOOP (OHV) | ✓ | ✓ |
| CRAB FLATS | ✓ | ✓ |
| DEVILS HOLE | ✓ | ✓ |
| GRAPEVINE CANYON | ✓ | ✓ |
| HOLCOMB VALLEY | ✓ | ✓ |
| MILLER CANYON (OHV) | ✓ | ✓ |
| PILOT FUELBREAK (0HV) | ✓ | ✓ |
| PILOT ROCK | ✓ | ✓ |
| PILOT ROCK RIDGE (OHV | ✓ | ✓ |
| PINNACLES STAGING AREA OHV | ✓ | ✓ |
| PLANTATION | ✓ | ✓ |
| RATTLESNAKE CANYON | ✓ | ✓ |
| ROUND VALLEY GROUP CG (OHV) | ✓ | ✓ |
| ROUSE RANCH | ✓ | ✓ |
| SKYLINE (OHV) | ✓ | ✓ |
| SMART SPRING | ✓ | ✓ |
| SMARTS CUTOFF | ✓ | ✓ |
| SMARTS RANCH (OHV) | ✓ | ✓ |
| SMARTS RANCH SPUR | ✓ | ✓ |
| TIP TOP MOUNTAIN | ✓ | ✓ |
| TUNNEL TWO | ✓ | ✓ |
| WHITE MOUNTAIN | ✓ | ✓ |
| WILLOW BYPASS (OHV) | ✓ | ✓ |
| WRIGHT MINE (OHV) | ✓ | ✓ |
| 2N73Y (OHV) | · | · |
| 2N75Y (OHV) | · | · |
| 2N87Y (4WD) | · | · |
| 3N19 | · | · |
| 3N26 | · | · |
| 3N76 | · | · |
| 3N81 | · | · |
| 3N82 | · | · |
| 3N83 | · | · |
| 3N83A | · | · |
| 3N84 | · | · |
| 3N99 | · | · |
| 4000 FOOT | · | · |
| ANTELOPE CK SPUR (OHV) | · | · |
| ANTELOPE CREEK (OHV) | · | · |
| ANTELOPE CREEK SPUR | · | · |
| ARRASTRE CREEK SPUR | · | · |
| ASPEN GLEN | · | · |
| BAILEY CANYON | · | · |
| BALKY HORSE | · | · |
| BAYLIS PARK PICNIC AREA | · | · |
| BEAR VIEW | · | · |
| BIG BEAR RANGER STATION | · | · |
| BIG BEAR VIEW | · | · |
| BIG PINE FLAT EQUESTRIAN CG | · | · |
| BIG PINE FLATS STATION & CG | · | · |
| BLUE QUARTZ | · | · |
| BLUFF MESA GROUP CG | · | · |
| BOULDER GROUP CAMPGROUND | · | · |
| BREEZY POINT | · | · |
| BRISTLECONE | · | · |
| BURNT FLAT | · | · |
| BURNT MILL | · | · |
| BUTLER PEAK | · | · |
| CACTUS FLAT | · | · |
| CAMP OSITO | · | · |
| CAMP PAIVIKA | · | · |
| CHILDREN'S FOREST TRAILHEAD | · | · |
| CIENEGA LARGA | · | · |
| CLARKS GRADE | · | · |
| COUGAR CREST | · | · |
| COXEY SPUR G | · | · |
| CRAB FLATS CAMPGROUND | · | · |
| CRAB FLATS SPUR | · | · |
| CRAFTS PEAK | · | · |
| CREST PARK PICNIC AREA | · | · |
| DEER GROUP CAMP | · | · |
| DEER LODGE | · | · |
| DEERLICK STATION | · | · |
| DEERLICK STATION SPUR | · | · |
| DELAMAR MOUNTAIN | · | · |
| DELAMAR MOUNTAIN SPUR C | · | · |
| DISCOVERY CENTER PKG | · | · |
| DOGWOOD CAMPGROUND | · | · |
| FISH CREEK MEADOWS | · | · |
| FURNACE | · | · |
| GLORY RIDGE | · | · |
| GOLD FEVER | · | · |
| GOLD HILL MINE | · | · |
| GOLD MOUNTAIN (4WD) | · | · |
| GRAYS PEAK | · | · |
| GRAYS PEAK GROUP C.G. | · | · |
| GRAYS PEAK SPUR | · | · |
| GRAYS PEAK TRAILHEAD | · | · |
| GREEN CYN GROUP CAMP | · | · |
| GREEN SPOT PICNIC AREA | · | · |
| GREEN VALLEY BYPASS | · | · |
| GREEN VALLEY CAMPGROUND | · | · |
| GREEN VALLEY EDISON | · | · |
| GREENLEAD CREEK | · | · |
| GROUT BAY PA | · | · |
| GROUT CREEK CUTOFF | · | · |
| HANNA FLATS CAMPGROUND | · | · |
| HARVEY MINE | · | · |
| HAWES RANCH | · | · |
| HEPBURN MINE | · | · |
| HITCHCOCK | · | · |
| HOLCOMB CREEK (4WD) | · | · |
| HOLCOMB VALLEY CAMPGROUND | · | · |
| HOLCOMB VALLEY SPUR | · | · |
| HOOK CREEK | · | · |
| HORSE SPRINGS | · | · |
| HORSETHIEF FLAT (OHV) | · | · |
| JACOBY CANYON | · | · |
| JOHN BULL FLAT | · | · |
| JOHN BULL FLAT SPUR | · | · |
| JUNIPER POINT PICNIC | · | · |
| JUNIPER SPRINGS GROUP CAMP | · | · |
| KELLER PEAK | · | · |
| KELLER YP01 | · | · |
| KELLER YP03 | · | · |
| KELLER YP06 | · | · |
| KELLER YP07 | · | · |
| KELLER YP08 | · | · |
| KIDD CREEK | · | · |
| KNICKERBOCKER | · | · |
| LITTLE BEAR SPRING | · | · |
| LITTLE BEAR SPRING SPUR A | · | · |
| LITTLE BEAR SPRING SPUR B | · | · |
| LITTLE GREEN VALLEY | · | · |
| LITTLE GREEN VALLEY SPUR A | · | · |
| LITTLE GREEN VALLEY SPUR B | · | · |
| LITTLE GREEN VALLEY SPUR C | · | · |
| LOOKOUT SPUR | · | · |
| LOWER LARGA FLAT | · | · |
| LUMPY | · | · |
| MAY VAN CANYON | · | · |
| MEADOWS EDGE PICNIC | · | · |
| METATE TRAILHEAD | · | · |
| MID SECTION | · | · |
| MILL CREEK | · | · |
| MINNELUSA | · | · |
| MINNELUSA CANYON | · | · |
| MONARCH FLAT (4WD) | · | · |
| NORTH DELAMAR | · | · |
| NORTH FORK | · | · |
| NORTH PEAK | · | · |
| NORTH SHORE CAMPGROUND | · | · |
| NORTH SPUR | · | · |
| OLD POLIQUE CANYON | · | · |
| OLD SNOW SLIDE | · | · |
| PINE SPRING | · | · |
| PINEKNOT CAMPGROUND | · | · |
| PIPES CANYON | · | · |
| POLIQUE CANYON | · | · |
| POLIQUE CANYON SPUR | · | · |
| RAINBOW | · | · |
| SAND CANYON | · | · |
| SANTA ANA DIVIDE | · | · |
| SANTA ANA RIVER(742650) | · | · |
| SANTA ANA YP#28 | · | · |
| SAWPIT CANYON | · | · |
| SAWPIT CONNECTOR | · | · |
| SERRANO CAMPGROUND | · | · |
| SHADY COVE | · | · |
| SIBERIA CREEK | · | · |
| SKI | · | · |
| SNOW SLIDE | · | · |
| SNOW VALLEY | · | · |
| SOUTH FORK CAMPGROUND | · | · |
| SPLINTERS CABIN | · | · |
| SQUINTS RANCH | · | · |
| ST. BERNARD | · | · |
| STRAWBERRY PEAK | · | · |
| SUGARLUMP | · | · |
| SUGARPINE SPUR | · | · |
| SWITZER PARK PICNIC AREA | · | · |
| TANGLEWOOD GROUP CAMPGROUND | · | · |
| TEJON RANCH | · | · |
| TENT PEG | · | · |
| TIP TOP MOUNTAIN SPUR A | · | · |
| TIP TOP MOUNTAIN SPUR B | · | · |
| TIP TOP MTN SPUR C | · | · |
| VALLEY OF THE MOON | · | · |
| VAN DUSEN CANYON | · | · |
| VAN DUSEN CREEK | · | · |
| VAN DUSEN CREEK SPUR | · | · |
| WILDHORSE MEADOW | · | · |
| WRIGHT MINE | · | · |
| YP#1 | · | · |
| YP#2 | · | · |
| YP#31 | · | · |
| YP#34 | · | · |
| YP#7 | · | · |
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 |
|---|---|---|---|
| Front Country Ranger District | San Bernardino National Forest, CA | 265.9 | 19 km |
| San Jacinto Ranger District | San Bernardino National Forest, CA | 167.6 | 69 km |
| Trabuco Ranger District | Cleveland National Forest, CA | 97.4 | 79 km |
| Palomar Ranger District | Cleveland National Forest, CA | 70.1 | 112 km |
| Descanso Ranger District | Cleveland National Forest, CA | 128.9 | 172 km |
| Mt. Pinos Ranger District | Los Padres National Forest, CA | 364 | 206 km |
Frequently asked questions
- Can you ride an ATV in the Mountaintop Ranger District?
- Yes. The MVUM designates ATV use on about 112.6 miles across 67 routes here (year-round). Confirm on the district's official Motor Vehicle Use Map before you ride.
- How many miles of motorized routes are in the Mountaintop Ranger District?
- 410 miles total — 394.3 miles of roads and 15.7 miles of trails, across 283 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 407.4 miles are open year-round and 2.7 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 California
See every ranger district in San Bernardino National Forest, browse all California national-forest routes, or read the methodology behind these figures. New to MVUMs? Start with what a Motor Vehicle Use Map is.