Mammoth Ranger District
The Mammoth Ranger District in Inyo National Forest (California) has 375.3 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 349.6 miles of roads and 25.7 miles of trails across 798 designated routes. Vehicle access: ATV 320.6 mi · Motorcycle 331.5 mi · E-bike routes. Seasonal routes generally open May 1 and close Oct 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.
- Total motorized miles
- 375.3
- Roads
- 349.6 mi
- Trails
- 25.7 mi
- Year-round miles
- 375.1 mi
- Seasonal miles
- 0.3 mi
349.6 mi of roads · 25.7 mi of trails, across 798 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 | 320.6 | 605 | Varies by route |
| Motorcycle / dirt bike | 331.5 | 629 | Varies by route |
| Other wheeled OHV | 320.6 | 605 | Varies by route |
| Wider OHV (over 50 inches) | |||
| 4WD > 50" | 319.3 | 599 | Varies by route |
| 2WD > 50" | 318.8 | 597 | Varies by route |
| Tracked OHV > 50" | 318.8 | 597 | Varies by route |
| Other OHV > 50" | 318.8 | 597 | Varies by route |
| Narrow OHV (under 50 inches) | |||
| Tracked OHV < 50" | 320.6 | 605 | Varies by route |
| Other OHV < 50" | 320.6 | 605 | Varies by route |
| E-bikes | |||
| E-bike Class 1 | 0 | 35 | Year-round |
| E-bike Class 2 | 0 | 35 | Year-round |
| E-bike Class 3 | 0 | 35 | Year-round |
| Road-legal / licensed vehicles | |||
| Passenger vehicle | 362 | 764 | Varies by route |
| High-clearance vehicle | 362 | 764 | Varies by route |
| Truck | 362 | 764 | Varies by route |
| Bus | 362 | 764 | Varies by route |
| Motorhome | 362 | 764 | Varies by route |
Seasons
Of the 375.3 motorized miles here, about 375.1 miles are open year-round and 0.3 miles are seasonal — the seasonal window generally runs from 05/01 to 10/31 (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).
Named routes
Show the 196 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.
| 03S03A | ✓ | ✓ |
|---|---|---|
| 03S03A-1 | ✓ | ✓ |
| 03S03A-2 | ✓ | ✓ |
| AGNEW MEADOWS HORSE CAMP Q-035 | ✓ | ✓ |
| ANTELOPE BENCH | ✓ | ✓ |
| ANTELOPE BENCH SPUR | ✓ | ✓ |
| ANTELOPE CUTOFF | ✓ | ✓ |
| ANTELOPE LOOP | ✓ | ✓ |
| ANTELOPE MOUNTAIN | ✓ | ✓ |
| ANTELOPE MTN LATERAL | ✓ | ✓ |
| ANTELOPE SPUR | ✓ | ✓ |
| ARCULARIUS FLAT | ✓ | ✓ |
| ARCULARIUS LATERAL | ✓ | ✓ |
| ARCULARIUS VIEW | ✓ | ✓ |
| ARCULARIUS-OLD | ✓ | ✓ |
| CCC CAMP CUTOFF | ✓ | ✓ |
| CLAYPIT CUTOFF | ✓ | ✓ |
| DRY CR FLATS SPUR | ✓ | ✓ |
| DRY CREEK CUTOFF | ✓ | ✓ |
| DRY CREEK DEADEND | ✓ | ✓ |
| DRY CREEK DRAW | ✓ | ✓ |
| DRY CREEK ROAD | ✓ | ✓ |
| DRY CREEK SPUR | ✓ | ✓ |
| DRY CREEK-LOWER | ✓ | ✓ |
| DRY CRK FLATS-UPPER | ✓ | ✓ |
| FIREWOOD LOOP | ✓ | ✓ |
| FLAT ROAD SPUR | ✓ | ✓ |
| FLATS ROAD | ✓ | ✓ |
| GRAY TUFF LOOP | ✓ | ✓ |
| HORSESHOE GRAVEL PIT | ✓ | ✓ |
| INYO CRATER CUTOFF | ✓ | ✓ |
| INYO CRATERS ROAD | ✓ | ✓ |
| INYO CRATERS SPUR Q-035 | ✓ | ✓ |
| LAKE MARY TRACT EAST Q-045 | ✓ | ✓ |
| LAVA FLOW ROAD | ✓ | ✓ |
| LOOKOUT LOOP CONNECTOR | ✓ | ✓ |
| LOOKOUT MOUNTAIN | ✓ | ✓ |
| MAMM AIRPORT ROAD SPUR | ✓ | ✓ |
| MAMMOTH BASIN OVERLK | ✓ | ✓ |
| MAMMOTH CREEK RD | ✓ | ✓ |
| MAMMOTH LEVEE ROD | ✓ | ✓ |
| MAMMOTH VIEW | ✓ | ✓ |
| MANZANITA SLOPE | ✓ | ✓ |
| MANZANITA SPUR | ✓ | ✓ |
| MCGEE MOUNTAIN ROAD | ✓ | ✓ |
| MCGEE MOUNTAIN SPUR | ✓ | ✓ |
| MIXING CIRCLE CUTOFF | ✓ | ✓ |
| PIT ROAD | ✓ | ✓ |
| PUMICE CANYON | ✓ | ✓ |
| PUMICE CANYON CUTOFF | ✓ | ✓ |
| PUMICE WELL SITE | ✓ | ✓ |
| RED FIR ROAD | ✓ | ✓ |
| SAWMILL CUTOFF | ✓ | ✓ |
| SAWMILL GAP CUTOFF | ✓ | ✓ |
| SAWMILL GAP SKI LOOP | ✓ | ✓ |
| SHERWIN CREEK PICNIC | ✓ | ✓ |
| SHERWIN CRK CUTOFF | ✓ | ✓ |
| SMOKEY BEAR FLAT | ✓ | ✓ |
| TAMARACK CABINS | ✓ | ✓ |
| TOBACCO FLAT | ✓ | ✓ |
| TREE PLANT ROAD | ✓ | ✓ |
| U TWIN TRACT B SPUR A Q-045 | ✓ | ✓ |
| U TWIN TRACT B SPUR B Q-045 | ✓ | ✓ |
| U TWIN TRACT B SPUR C Q-045 | ✓ | ✓ |
| U TWIN TRACT B SPUR D Q-045 | ✓ | ✓ |
| U TWIN TRACT C Q-045 | ✓ | ✓ |
| U TWIN TRACT C SPUR A Q-045 | ✓ | ✓ |
| UPPER TWIN TRACT B Q-045 | ✓ | ✓ |
| AGNEW MDWS CG Q-035 | · | · |
| ART GALLERY | · | · |
| BEHIND TWIN LK STORE Q-045 | · | · |
| BOYS CLUB OF SAN GABRIEL | · | · |
| COLDWATER CG | · | · |
| COLDWATER CG CONN | · | · |
| COLDWATER CG CONN1 Q-046 | · | · |
| COLDWATER CG CONN2 | · | · |
| CONVICT CREEK TH | · | · |
| CONVICT DUMPSTATION SPUR | · | · |
| CONVICT LAKE BOAT LAUNCH | · | · |
| CONVICT LAKE CG | · | · |
| CONVICT LAKE CG1 | · | · |
| CONVICT LAKE CG2 | · | · |
| CONVICT LAKE DUMP STA | · | · |
| CONVICT LAKE RESORT | · | · |
| CONVICT PACK CORRAL | · | · |
| CONVICT PACK CORRAL SPUR Q-047 | · | · |
| CONVICT RV PARKING | · | · |
| CONVICT TRTMT PLANT | · | · |
| CRYSTAL CRAG EAST CABINS | · | · |
| CRYSTAL CRAG RESORT | · | · |
| CRYSTAL CRAG WEST CABINS | · | · |
| DUCK PASS TH | · | · |
| EARTHQUAKE FAULT | · | · |
| HATCHERY INTERP SITE | · | · |
| HATCHERY POND | · | · |
| HATCHERY ROAD | · | · |
| HAYDEN CABIN Q-036 | · | · |
| HORSESHOE LK PICNIC LOOP | · | · |
| HOT CREEK FISHERMAN 1 | · | · |
| HOT CREEK FISHERMAN 2 Q-037 | · | · |
| HOT CREEK FISHERMAN 3 | · | · |
| HOT CREEK INTERP SITE Q-037 | · | · |
| HOT CREEK SPUR NORTH | · | · |
| INDIAN CAVE | · | · |
| LAKE MARY ENT STATION Q-045 | · | · |
| LAKE GEORGE CG | · | · |
| LAKE GEORGE CONN Q-045 | · | · |
| LAKE GEORGE DAY USE | · | · |
| LAKE MARY CG E SPUR | · | · |
| LAKE MARY CG EAST | · | · |
| LAKE MARY CG EXIT RD | · | · |
| LAKE MARY CG WEST A | · | · |
| LAKE MARY CG WEST B | · | · |
| LAKE MARY LOOP | · | · |
| LAKE MARY ROAD | · | · |
| LAKE MARY STORE Q-045 | · | · |
| LAKE MARY TRACT W SPUR | · | · |
| LAKE MARY TRACT WEST | · | · |
| LOWER FALLS TRACT | · | · |
| LOWER TWIN ACCESS CG | · | · |
| LOWER TWIN LKS CG | · | · |
| LOWER TWIN LKS CG CONN1 | · | · |
| LOWER TWIN LKS CG CONN2 | · | · |
| LOWER TWIN LKS CG CONN3 | · | · |
| LOWER TWIN LKS CG CONNB2 | · | · |
| LOWER TWIN LKS CG LOOP | · | · |
| LOWER TWIN TRACT | · | · |
| MAM MT RV PARK | · | · |
| MAM MT RV PARK Q-036 | · | · |
| MAM MT RV PARK REG | · | · |
| MAMM LAKES PACK CABIN | · | · |
| MAMM LAKES PACK PARKING | · | · |
| MAMM LAKES PACK STA H2O | · | · |
| MAMMOTH LAKES PACK STA | · | · |
| MAMMOTH MOTOCROSS | · | · |
| MAMMOTH VC EMP PARKING | · | · |
| MAMMOTH VC SPUR | · | · |
| MAMMOTH VC VISITOR PARK | · | · |
| MILL CITY TRACT | · | · |
| MILL CITY TRACT SPUR A | · | · |
| MINARET FALLS CG Q-035 | · | · |
| MINARET FALLS CG1 Q-035 | · | · |
| MINARET FALLS CG2 Q-035 | · | · |
| MINARET FALLS CG3 Q-035 | · | · |
| MINARET SUMMIT ROAD | · | · |
| MINARETS SUBSTATION | · | · |
| OLD SHADY REST CG | · | · |
| OLD SHADY REST CG CONN | · | · |
| PUMICE FLAT CG Q-035 | · | · |
| PUMICE FLAT CG1 Q-035 | · | · |
| PUMICE FLAT CG2 Q-035 | · | · |
| PUMICE FLAT CG3 Q-035 | · | · |
| PUMICE FLAT CG4 Q-035 | · | · |
| PUMICE FLAT GR CG | · | · |
| PUMICE FLAT GR CG SPUR | · | · |
| PUMICE FLAT GUARDSTA Q-035 | · | · |
| RAINBOW FALLS PARKING Q-045 | · | · |
| REDS MDW CG | · | · |
| REDS MDW CG1 | · | · |
| REDS MDW CG2 | · | · |
| REDS MDW CG3 Q-045 | · | · |
| REDS MDW CG4 | · | · |
| REDS MDW CG5 Q-045 | · | · |
| REDS MEADOW ROAD | · | · |
| REDS MEADOW STORE | · | · |
| REDS MEADOW STORE SPUR Q-045 | · | · |
| SHADY REST CG | · | · |
| SHADY REST CG CONN | · | · |
| SHADY REST CG CONNA1 | · | · |
| SHADY REST CG CONNB1 | · | · |
| SHADY REST CG LOOP B | · | · |
| SHADY REST CG LOOPA | · | · |
| SHERWIN CREEK | · | · |
| SHERWIN CREEK CG | · | · |
| SHERWIN CREEK CG1 | · | · |
| SHERWIN CREEK CG2 | · | · |
| SHERWIN CREEK CG3 | · | · |
| SHERWIN CREEK PICNIC SPUR | · | · |
| SIERRA MDW RANCH Q-036 | · | · |
| SODA SPRINGS CG Q-035 | · | · |
| SODA SPRINGS CG1 Q-035 | · | · |
| SOTCHER LAKE PARKING | · | · |
| TWIN FALLS PICNIC | · | · |
| TWIN LAKES LOOP | · | · |
| TWIN LAKES SERVICE ROAD Q-045 | · | · |
| TWIN LKS DAY USE/PICNIC Q-045 | · | · |
| TWIN STORE DUMP STATION Q-045 | · | · |
| U TWIN TRACT B SPUR E Q-045 | · | · |
| UPPER FALLS TRACT | · | · |
| UPPER TWIN LAKES CG | · | · |
| VALENTINE TH | · | · |
| WILDEYRIE LODGE ROAD | · | · |
| WILDEYRIE LODGE SPUR A | · | · |
| WOODS LODGE | · | · |
| YMCA CAMP | · | · |
| YMCA CAMP Q-046 | · | · |
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 |
|---|---|---|---|
| Mono Lake Ranger District | Inyo National Forest, CA | 895.7 | 21 km |
| White Mountain Ranger District | Inyo National Forest, CA | 727.1 | 46 km |
| Bass Lake Ranger District | Sierra National Forest, CA | 1,217.9 | 58 km |
| High Sierra Ranger District | Sierra National Forest, CA | 1,045.9 | 63 km |
| Bridgeport Ranger District | Humboldt-Toiyabe National Forest, NV | 3,004.6 | 89 km |
| Groveland Ranger District | Stanislaus National Forest, CA | 719.6 | 93 km |
Frequently asked questions
- Can you ride an ATV in the Mammoth Ranger District?
- Yes. The MVUM designates ATV use on about 320.6 miles across 605 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 Mammoth Ranger District?
- 375.3 miles total — 349.6 miles of roads and 25.7 miles of trails, across 798 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 375.1 miles are open year-round and 0.3 miles are seasonal (typically open May 1 to Oct 31). Each vehicle class can have its own season — see the access matrix above.
More in California
See every ranger district in Inyo 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.