Dillon Ranger District
The Dillon Ranger District in White River National Forest (Colorado) has 163.8 miles of motorized routes on the U.S. Forest Service Motor Vehicle Use Map — 163.8 miles of roads and 0 miles of trails across 166 designated routes. Vehicle access: ATV 103.9 mi · Motorcycle 103.9 mi · E-bike routes. Seasonal routes generally open May 21 and close Nov 22. 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
- 163.8
- Roads
- 163.8 mi
- Trails
- 0 mi
- Year-round miles
- 7.2 mi
- Seasonal miles
- 153.9 mi
163.8 mi of roads · 0 mi of trails, across 166 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 | 103.9 | 69 | Varies by route |
| Motorcycle / dirt bike | 103.9 | 92 | Varies by route |
| Other wheeled OHV | 97 | 66 | Varies by route |
| Wider OHV (over 50 inches) | |||
| 4WD > 50" | 97 | 67 | Varies by route |
| 2WD > 50" | 103.9 | 67 | Varies by route |
| Tracked OHV > 50" | 97 | 66 | Varies by route |
| Other OHV > 50" | 97 | 66 | Varies by route |
| Narrow OHV (under 50 inches) | |||
| Tracked OHV < 50" | 97 | 66 | Varies by route |
| Other OHV < 50" | 97 | 66 | Varies by route |
| E-bikes | |||
| E-bike Class 1 | 0 | 29 | Varies by route |
| E-bike Class 2 | 0 | 29 | Varies by route |
| E-bike Class 3 | 0 | 29 | Varies by route |
| Road-legal / licensed vehicles | |||
| Passenger vehicle | 154.1 | 135 | Varies by route |
| High-clearance vehicle | 154.1 | 135 | Varies by route |
| Truck | 161.1 | 137 | Varies by route |
| Bus | 161.1 | 137 | Varies by route |
| Motorhome | 161.1 | 137 | Varies by route |
Seasons
Of the 163.8 motorized miles here, about 7.2 miles are open year-round and 153.9 miles are seasonal — the seasonal window generally runs from 05/21 to 11/22 (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 109 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.
| AMERICAN GULCH ROAD | ✓ | ✓ |
|---|---|---|
| AMERICAN GULCH SPUR | ✓ | ✓ |
| BLUE LAKES | ✓ | ✓ |
| CHATAUQUA MINE ROAD | ✓ | ✓ |
| CHIHUAHUA GULCH ROAD | ✓ | ✓ |
| CINNAMON GULCH ROAD | ✓ | ✓ |
| CLIMAX MINE ROAD | ✓ | ✓ |
| CORN LOT TRAILHEAD | ✓ | ✓ |
| DETROIT PLACER LOOP/CR 483 | ✓ | ✓ |
| DRAW ROAD | ✓ | ✓ |
| DYERSVILLE ROAD | ✓ | ✓ |
| ELLIOT RIDGE ROAD | ✓ | ✓ |
| EXTENSION MILL ROAD | ✓ | ✓ |
| FIRST CUT ACROSS | ✓ | ✓ |
| FOREST QUEEN ROAD | ✓ | ✓ |
| FREY GULCH C | ✓ | ✓ |
| FREY GULCH ROAD | ✓ | ✓ |
| GALENA GULCH ROAD | ✓ | ✓ |
| GALENA-SUMMIT CONNECT | ✓ | ✓ |
| GARIBALDI GULCH ROAD | ✓ | ✓ |
| GENERAL TELLER ROAD | ✓ | ✓ |
| GEORGIA GULCH ROAD | ✓ | ✓ |
| GEORGIA PASS | ✓ | ✓ |
| GLACIER MOUNTAIN | ✓ | ✓ |
| GLACIER RIDGE OVERLOOK | ✓ | ✓ |
| GOLDEN GATE LOOP | ✓ | ✓ |
| HUMBUG HILL ROAD | ✓ | ✓ |
| INDIANA - PENNSYLVANIA CONNECT | ✓ | ✓ |
| INDIANA GULCH ROAD | ✓ | ✓ |
| JUMBO MINE ROAD | ✓ | ✓ |
| KEYSTONE GULCH ROAD | ✓ | ✓ |
| LINCOLN PARK ROAD | ✓ | ✓ |
| LOWER SPRING CREEK | ✓ | ✓ |
| MAHAN LAKE ROAD | ✓ | ✓ |
| MIDDLE FORK OF THE SWAN | ✓ | ✓ |
| MONTEZUMA-DEER CREEK | ✓ | ✓ |
| MT GUYOT LOOP EAST | ✓ | ✓ |
| NORTH SWAN | ✓ | ✓ |
| PARKVILLE ROAD | ✓ | ✓ |
| PEABODY PLACER ROAD | ✓ | ✓ |
| PENNSYLVANIA CREEK | ✓ | ✓ |
| PENNSYLVANIA MINE | ✓ | ✓ |
| PERU CREEK ROAD | ✓ | ✓ |
| PRESTON WAY | ✓ | ✓ |
| PROSPECT HILL ROAD | ✓ | ✓ |
| RADICAL HILL | ✓ | ✓ |
| RADICAL MINE ROAD | ✓ | ✓ |
| RICH GULCH ROAD | ✓ | ✓ |
| ROCK ISLAND ROAD | ✓ | ✓ |
| SAINTS JOHN ROAD | ✓ | ✓ |
| SAWMILL ROAD | ✓ | ✓ |
| SIDEWINDER ROAD | ✓ | ✓ |
| SPRUCE ROAD | ✓ | ✓ |
| SUMMIT GULCH | ✓ | ✓ |
| SWANDYKE | ✓ | ✓ |
| WARDEN GULCH ROAD | ✓ | ✓ |
| WEBSTER PASS ROAD | ✓ | ✓ |
| WEST SWANDIKE ROAD | ✓ | ✓ |
| WILLIAMS PEAK | ✓ | ✓ |
| BIG GREEN | · | · |
| BLUE RIVER CAMPGROUND | · | · |
| BOULDER CREEK SPUR | · | · |
| BRECKENRIDGE SKI AREA | · | · |
| BRUSH CREEK | · | · |
| BRUSH CREEK ROAD | · | · |
| CATARACT CAMPGROUND | · | · |
| CATARACT LAKE | · | · |
| COLUMBINE LANDING | · | · |
| COTTONWOOD GULCH | · | · |
| COW CAMP ACCESS RD | · | · |
| COW CREEK NORTH CAMPGROUND | · | · |
| COW CREEK SOUTH CAMPGROUND | · | · |
| CRYSTAL LAKE ROAD | · | · |
| EAGLESMERE TRAILHEAD | · | · |
| ELLIOTT CREEK CAMPGROUND | · | · |
| GIBERSON BAY | · | · |
| GRANDVIEW CEMETARY | · | · |
| GREEN MOUNTAIN OVERLOOK | · | · |
| HAYSTACK MOUNTAIN | · | · |
| HEATON BAY CAMPGROUND | · | · |
| HEATON BAY CAMPGROUND SPUR B | · | · |
| LAKE UNEVA | · | · |
| LONESOME GULCH | · | · |
| LOWRY CAMPGROUND | · | · |
| MAYFLOWER GULCH | · | · |
| MC CULLOUGH GULCH | · | · |
| MC CULLOUGH GULCH SPUR | · | · |
| MCDONALD FLATS BOAT RAMP | · | · |
| MCDONALD FLATS CAMPGROUND | · | · |
| MINERS CREEK ROAD | · | · |
| MT BALDY ROAD | · | · |
| MUMFORD GULCH | · | · |
| NORTH BRUSH CREEK ROAD | · | · |
| PASS LAKE ROAD | · | · |
| PEAK ONE CG | · | · |
| PEAK ONE CG SPUR | · | · |
| PINE COVE CAMPGROUND | · | · |
| PINE COVE CAMPGROUND SPUR | · | · |
| PIONEER CREEK | · | · |
| PRAIRIE POINT CAMPGROUND | · | · |
| PROSPECTOR CAMPGROUND | · | · |
| ROCK CREEK ROAD | · | · |
| SANTA FE PEAK ROAD | · | · |
| SHRINE PASS ROAD | · | · |
| SILVER LAKE ROAD | · | · |
| SPRUCE CREEK ROAD | · | · |
| UPPER MT BALDY ROAD | · | · |
| WILLOWS CAMPGROUND | · | · |
| WINDY POINT CAMPGROUND | · | · |
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 |
|---|---|---|---|
| Holy Cross Ranger District | White River National Forest, CO | 247.8 | 34 km |
| Clear Creek Ranger District | Arapaho and Roosevelt National Forests, CO | 175.4 | 38 km |
| Sulphur Ranger District | Arapaho and Roosevelt National Forests, CO | 444.1 | 52 km |
| Leadville Ranger District | Pike and San Isabel National Forests, CO | 149.7 | 58 km |
| South Park Ranger District | Pike and San Isabel National Forests, CO | 526.8 | 66 km |
| Boulder Ranger District | Arapaho and Roosevelt National Forests, CO | 210.8 | 67 km |
Frequently asked questions
- Can you ride an ATV in the Dillon Ranger District?
- Yes. The MVUM designates ATV use on about 103.9 miles across 69 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 Dillon Ranger District?
- 163.8 miles total — 163.8 miles of roads and 0 miles of trails, across 166 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 7.2 miles are open year-round and 153.9 miles are seasonal (typically open May 21 to Nov 22). Each vehicle class can have its own season — see the access matrix above.
More in Colorado
See every ranger district in White River National Forest, 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.