Updated October 2026
California Mountain Bike Trails
Mountain bike
1,883mi
designated on 588 segments
12% of mapped trail
E-bike
2,361miClass 1
designated on 1,513 segments
15% of mapped trail
Mountain bike
1,883mi
designated on 588 segments
12% of mapped trail
E-bike
2,361miClass 1
designated on 1,513 segments
- Class 12,361 mi
- Class 22,352 mi
- Class 32,352 mi
Treated as a motor vehicle: ridden only where designated.
- National forests
- 18
- Ridable trails
- 1,196
Both lanes share one scale: the 15,656 mi of National Forest System trail mapped in California's 18 national forests. From USFS National Forest System Trails records, updated October 2026.
Across 18 national forests in California, USFS data maps 1,883 mi of bike-designated trail on 588 segments, led by Stanislaus National Forest (581 mi). Class 1 e-bikes are designated on 1,513 segments.
National forests in California
| National forest | Bike miles | Total trail | Class 1 e-bike |
|---|---|---|---|
| Stanislaus National Forest | 581 mi | 1,384 mi | 158 |
| Eldorado National Forest | 413 mi | 845 mi | 82 |
| Los Padres National Forest | 251 mi | 1,381 mi | 78 |
| Shasta-Trinity National Forest | 189 mi | 1,179 mi | 29 |
| Tahoe National Forest | 172 mi | 1,421 mi | 207 |
| Cleveland National Forest | 92.6 mi | 321 mi | 37 |
| Lassen National Forest | 46.4 mi | 853 mi | 113 |
| Angeles National Forest | 46.2 mi | 675 mi | 24 |
| Sequoia National Forest | 24.8 mi | 1,024 mi | 89 |
| Modoc National Forest | 22.4 mi | 129 mi | 1 |
| Inyo National Forest | 22.3 mi | 1,450 mi | 307 |
| Six Rivers National Forest | 21.7 mi | 289 mi | 135 |
| Klamath National Forest | 0 mi | 958 mi | 0 |
| Mendocino National Forest | 0 mi | 546 mi | 0 |
| Plumas National Forest | 0 mi | 910 mi | 0 |
| San Bernardino National Forest | 0 mi | 608 mi | 0 |
| Sierra National Forest | 0 mi | 1,334 mi | 253 |
| Lake Tahoe Basin Management Unit | 0 mi | 349 mi | 0 |
E-bike rules in California
On Forest Service land e-bikes are motor vehicles, allowed only where designated. See California e-bike rules by class and forest →
Browse by grade-based difficulty
Steepness bands derived from the USFS grade field — a slope measure, not a technical mountain-bike rating.
Top trails in California
The 30 longest ridable trails in California by mapped mileage. Each links to its full USFS data profile.
California bike-legal trail list (CSV)
Download every one of the 1,196 bike- and Class 1 e-bike-designated trails across California's national forests — miles, surface, grade, season, and e-bike class per trail, from official USFS data.
Frequently asked questions
- How many miles of national-forest mountain bike trail are in California?
- About 1,883 mi of bike-designated trail across 18 national forests, from USFS travel-management data.
- Which national forest has the most mountain biking in California?
- Stanislaus National Forest, with about 581 mi of bike-designated trail.
- Are e-bikes allowed in California national forests?
- Only where designated — e-bikes are motor vehicles on Forest Service land. Class 1 access is recorded on 1,513 segments. See the California e-bike rules page.