USFS National Forest System Trails · Idaho · Updated October 2026
Can You Mountain Bike in Salmon-Challis National Forest, Idaho?
Yes — Salmon-Challis National Forest in Idaho has 298 mi of bike-designated National Forest System trail across 39 segments, typically open Year-round, according to official USFS travel-management data.
- Bike-designated
- 298 mi39 segments
- Total NFS trail
- 3,481 mi854 segments
- Bike season
- Year-roundUSFS managed-use
- ADA-accessible
- 7trail segments
9% 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 Salmon-Challis National Forest
| Trail | Miles | Surface | Bike season |
|---|---|---|---|
| Continental Divide Nst | 80.37 | Native Material | Year-round |
| Divide Nrt | 31.74 | Native Material | Year-round |
| Hay-Knapp Creek | 29.8 | Native Material | Year-round |
| Darling-Castle Creek | 20.92 | Native Material | — |
| East Mayfield - Yankee Fork | 20.81 | Native Material | — |
| Snow Bank | 18.69 | Native Material | — |
| Iron-Lola Creek | 18.01 | Native Material | Year-round |
| Toolbox-Herd Creek | 16.44 | Native Material | — |
| Patterson-Morse Creek | 16.15 | Native Material | — |
| Camas-Eddy Creek | 15.33 | Native Material | — |
| Big Hat Creek | 14.07 | Native Material | — |
| Peach-Cinnabar | 14.04 | Native Material | — |
| South Fork Big Creek-Iron Cr. | 12.3 | Native Material | — |
| Big Timber Creek | 11.42 | Native Material | Year-round |
| Sheep Creek | 11.21 | Native Material | — |
Frequently asked questions
- How many miles of mountain bike trail are in Salmon-Challis National Forest?
- Salmon-Challis National Forest has about 298 mi of bike-designated trail across 39 segments, out of 3,481 mi of total National Forest System trail.
- Are e-bikes allowed in Salmon-Challis National Forest?
- Only where designated — on Forest Service land e-bikes are motor vehicles. Class 1 e-bikes are recorded on 317 segments here.
- What is the mountain-bike season in Salmon-Challis National Forest (Idaho)?
- Most bike-designated trails carry a Year-round season in USFS data; higher-elevation trails open later.