USFS National Forest System Trails · California · Updated October 2026
Can You Mountain Bike in Shasta-Trinity National Forest, California?
Yes — Shasta-Trinity National Forest in California has 189 mi of bike-designated National Forest System trail across 76 segments, typically open Year-round, according to official USFS travel-management data.
- Bike-designated
- 189 mi76 segments
- Total NFS trail
- 1,179 mi818 segments
- Bike season
- Year-roundUSFS managed-use
- ADA-accessible
- 9trail segments
16% of this forest's mapped trail is bike-designated. USFS records trail grade (steepness), not technical MTB difficulty — we surface grade where present but do not infer a black/blue/green rating.
Bike-designated trails in Shasta-Trinity National Forest
| Trail | Miles | Surface | Bike season |
|---|---|---|---|
| Curl Ridge Jeep Trail | 19.7 | Native Material | — |
| South Fork Trinity River Trail | 16.06 | Native Material | Year-round |
| Upper Mccloud River | 15.79 | Native Material | Year-round |
| Bagley Mtn | 11.81 | Native Material | — |
| Bear Springs | 9.76 | Native Material | Year-round |
| Sisson-Callahan Nrt | 8.9 | Native Material | Year-round |
| Clikapudi | 8.36 | Native Material | Year-round |
| Garden Ridge | 6.82 | Native Material | — |
| Gateway | 6.37 | Native Material | Year-round |
| Huckleberry Loop | 6.05 | Native Material | Year-round |
| Sweepstakes | 5.7 | Native Material | Year-round |
| East Tule Creek | 5.58 | Native Material | Year-round |
| Smoky Creek | 5.32 | Native Material | Year-round |
| Muirs Ascension | 5.01 | Native Material | Year-round |
| Beegum Creek | 4.68 | Native Material | Year-round |
Frequently asked questions
- How many miles of mountain bike trail are in Shasta-Trinity National Forest?
- Shasta-Trinity National Forest has about 189 mi of bike-designated trail across 76 segments, out of 1,179 mi of total National Forest System trail.
- Are e-bikes allowed in Shasta-Trinity National Forest?
- Only where designated — on Forest Service land e-bikes are motor vehicles. Class 1 e-bikes are recorded on 29 segments here.
- What is the mountain-bike season in Shasta-Trinity National Forest (California)?
- Most bike-designated trails carry a Year-round season in USFS data; higher-elevation trails open later.