USFS National Forest System Trails · Colorado · Updated June 2026
Can You Mountain Bike in Arapaho and Roosevelt National Forests, Colorado?
Yes — Arapaho and Roosevelt National Forests in Colorado has 620 mi of bike-designated National Forest System trail across 285 segments, typically open Year-round, according to official USFS travel-management data.
620 mi
Bike-designated
285 segments
1,440 mi
Total NFS trail
910 segments
Year-round
Bike season
USFS managed-use
8
ADA-accessible
trail segments
43% 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 Arapaho and Roosevelt National Forests
| Trail | Miles | Surface | Bike season |
|---|---|---|---|
| Flowers | 18.51 | Native Material | Year-round |
| High Lonesome | 18.15 | Native Material | Year-round |
| Buchanan Pass | 15.61 | Native Material | Year-round |
| Cub Creek | 15.18 | Native Material | Year-round |
| Sourdough | 14.64 | Native Material | Year-round |
| Bard Creek | 10.5 | Native Material | Year-round |
| Danner Pass | 10 | Native Material | Year-round |
| Lookout Mountain | 8.26 | Native Material | Year-round |
| West Stillwater | 8.17 | Native Material | Jun–Nov |
| Crosier Mountain | 8 | Native Material | Year-round |
| Strawberry Creek | 7.84 | Native Material | Jun–Nov |
| Pawnee Pass | 7.76 | Native Material | Year-round |
| Jones Pass | 7.36 | Native Material | Year-round |
| Granite Ridge | 7.2 | Native Material | Jul–Oct |
| Williams Peak | 6.76 | Native Material | Jun–Nov |
Frequently asked questions
- How many miles of mountain bike trail are in Arapaho and Roosevelt National Forests?
- Arapaho and Roosevelt National Forests has about 620 mi of bike-designated trail across 285 segments, out of 1,440 mi of total National Forest System trail.
- Are e-bikes allowed in Arapaho and Roosevelt National Forests?
- Only where designated — on Forest Service land e-bikes are motor vehicles. Class 1 e-bikes are recorded on 53 segments here.
- What is the mountain-bike season in Arapaho and Roosevelt National Forests (Colorado)?
- Most bike-designated trails carry a Year-round season in USFS data; higher-elevation trails open later.