USFS National Forest System Trails · California · Updated June 2026
Modoc National Forest Mountain Bike Trails
Modoc National Forest carries 129 mi of mapped National Forest System trail, of which 22.4 mi across 2 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 2 segments (2.8 mi).
22.4 mi
Bike-designated
2 segments
129 mi
Total NFS trail
49 segments
2.8 mi
Class 1 e-bike
2 segments
1
ADA-accessible
trail segments
Trail surface
- Native Material49
USFS trail class (1 = primitive · 5 = developed)
- Class 222
- Class 411
- Class 18
- Class 37
- Class 51
17% 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 |
|---|---|---|---|---|
| Red Tail Rim Trail | 19.29 | Native Material | 4 | Year-round |
| Little Mount Hoffman Trail | 3.06 | Native Material | 3 | Year-round |
| Highgrade National Rec. Trail | 2.39 | Native Material | 4 | — |
E-bikes in Modoc National Forest
Class 1 on 2 segments · Class 2 on 2 · Class 3 on 2. See full e-bike rules for Modoc National Forest →
Frequently asked questions
- How many miles of mountain bike trail are in Modoc National Forest?
- Modoc National Forest has about 22.4 mi of bike-designated trail across 2 segments, out of 129 mi of total National Forest System trail.
- What is the riding season in Modoc National Forest?
- Most bike-designated trails in Modoc National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Modoc National Forest?
- Only where designated. Class 1 e-bikes are recorded on 2 segments. See the e-bike rules page for the class-by-class breakdown.