USFS National Forest System Trails · California · Updated June 2026
Stanislaus National Forest Mountain Bike Trails
Stanislaus National Forest carries 1,384 mi of mapped National Forest System trail, of which 581 mi across 279 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 395 segments (202 mi).
581 mi
Bike-designated
279 segments
1,384 mi
Total NFS trail
1,148 segments
202 mi
Class 1 e-bike
395 segments
8
ADA-accessible
trail segments
Trail surface
- Native Material1,113
- Snow10
- Crushed Aggregate Or Gravel3
- Asphalt3
- Imported Loose Material1
USFS trail class (1 = primitive · 5 = developed)
- Class 2816
- Class 3294
- Class 431
- Class 14
- Class 51
42% of this forest's mapped trail is bike-designated. Note: USFS records trail grade (steepness), not technical MTB difficulty — we surface grade where present but do not infer a black/blue/green rating from it.
Largest bike-designated trails
| Trail | Miles | Surface | Trail class | Bike season |
|---|---|---|---|---|
| So. Fork Toul. River | 9.4 | Native Material | 2 | Year-round |
| Tuolumne Canyon | 5.22 | Native Material | 3 | Year-round |
| Donnell Lake Ohv 4x4 | 4.8 | Native Material | 2 | Year-round |
| Elliots Cabin | 4.31 | Native Material | 3 | Year-round |
| Pinecrest Peak/Catfish Lake | 4.12 | Native Material | 3 | Year-round |
| Twain Harte Horsemen | 3.19 | Native Material | 3 | Year-round |
| Hull Creek Ohv-4x4 | 3.01 | Native Material | 2 | Year-round |
| Oxidine East | 2.75 | Native Material | 3 | Year-round |
| Willow Mdw | 2.46 | Native Material | 3 | Year-round |
| Highland Creek/Wolfborro | 2.42 | Native Material | 3 | Year-round |
| Deer Creek (Upper) | 2.38 | Native Material | 2 | Year-round |
| Pinecrest Ohv 4x4 | 1.85 | Native Material | 2 | Year-round |
| Sammy Springs 4wd | 1.82 | Native Material | 2 | Year-round |
| Dorrington Ohv M/C D52 S16 | 1.76 | Native Material | 2 | Year-round |
| Hull Creek Ohv- 4x4 | 1.71 | Native Material | 2 | Year-round |
| Deer Creek Mc Trail Lower | 1.69 | Native Material | 2 | Year-round |
| Straw / Fraser Flat Rr Bike Tr | 1.6 | Native Material | 4 | Year-round |
| Hull Creek Ohv - Atv | 1.55 | Native Material | 2 | Year-round |
| Hull Creek Ohv - Atv | 1.54 | Native Material | 2 | Year-round |
| Hull Creek Ohv - Atv | 1.53 | Native Material | 2 | Year-round |
| 8a | 1.47 | Unknown | 3 | Year-round |
| Tamarack Ohv 4x4 | 1.38 | Native Material | 2 | Year-round |
| Hull Creek Ohv - M/C | 1.37 | Native Material | 2 | Year-round |
| Bell Creek/Coffin Hollow | 1.36 | Native Material | 3 | Year-round |
| Dorrington Ohv Atv D52 S10 | 1.35 | Native Material | 2 | Year-round |
E-bikes in Stanislaus National Forest
Class 1 on 395 segments · Class 2 on 395 · Class 3 on 395. See full e-bike rules for Stanislaus National Forest →
Frequently asked questions
- How many miles of mountain bike trail are in Stanislaus National Forest?
- Stanislaus National Forest has about 581 mi of bike-designated trail across 279 segments, out of 1,384 mi of total National Forest System trail.
- What is the riding season in Stanislaus National Forest?
- Most bike-designated trails in Stanislaus National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Stanislaus National Forest?
- Only where designated. Class 1 e-bikes are recorded on 395 segments. See the e-bike rules page for the class-by-class breakdown.