USFS National Forest System Trails · Idaho · Updated June 2026
Can You Mountain Bike in Caribou-Targhee National Forest, Idaho?
Yes — Caribou-Targhee National Forest in Idaho has 2,696 mi of bike-designated National Forest System trail across 932 segments, typically open Year-round, according to official USFS travel-management data.
2,696 mi
Bike-designated
932 segments
4,054 mi
Total NFS trail
1,425 segments
Year-round
Bike season
USFS managed-use
14
ADA-accessible
trail segments
66% 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 Caribou-Targhee National Forest
| Trail | Miles | Surface | Bike season |
|---|---|---|---|
| Highline | 61.33 | Native Material | Year-round |
| Railroad Right-Of-Way | 39.43 | Native Material | Year-round |
| Continental Divide | 27.92 | Native Material | Year-round |
| Boundary Trail | 27.78 | Native Material | Year-round |
| Continental Divide Trail | 20.16 | Native Material | Year-round |
| Divide | 20.02 | Native Material | Year-round |
| Continental Divide Trail | 17.18 | Native Material | Year-round |
| Crooked Creek - Willow Creek | 16.82 | Native Material | Year-round |
| Big Bend Ridge Trail | 16.38 | Native Material | Year-round |
| Sheep Driveway | 16.05 | Native Material | Year-round |
| Bitch Creek | 14.46 | Native Material | Year-round |
| Webber Creek - Divide Creek | 13.91 | Native Material | — |
| Decoster | 13.59 | Native Material | Year-round |
| West Elkhorn Foothills | 13.44 | Native Material | Year-round |
| Bald Mountain | 12.55 | Native Material | Year-round |
Frequently asked questions
- How many miles of mountain bike trail are in Caribou-Targhee National Forest?
- Caribou-Targhee National Forest has about 2,696 mi of bike-designated trail across 932 segments, out of 4,054 mi of total National Forest System trail.
- Are e-bikes allowed in Caribou-Targhee National Forest?
- Only where designated — on Forest Service land e-bikes are motor vehicles. Class 1 e-bikes are recorded on 527 segments here.
- What is the mountain-bike season in Caribou-Targhee National Forest (Idaho)?
- Most bike-designated trails carry a Year-round season in USFS data; higher-elevation trails open later.