USFS National Forest System Trails · White River National Forest · Colorado · Updated June 2026
Flag Creek (USFS trail 2227) is a 3.1 mi trail in White River National Forest, Colorado. Mountain bikes are designated as allowed, May–Nov, with Class 1 e-bikes also designated.
Can I bike Flag Creek?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | May–Nov |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | May–Nov |
| Class 2 e-bike (throttle, 20 mph) | Allowed | May–Nov |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | May–Nov |
Zooming out: across White River National Forest, 99% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Flag Creek (USFS trail 2227) runs 3.1 mi through White River National Forest in Colorado. The figures here are pulled from the official US Forest Service trail data for White River National Forest, covering the trail's mileage, tread, grade band, and the bike and e-bike uses the agency lists as designated. Underfoot, the trail is recorded as native material. No grade band is recorded, so a steepness-based difficulty isn't available for this trail. Bike use is designated as allowed, typically May–Nov. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated (May–Nov) — Class 1 being pedal-assist only, Classes 2 and 3 adding a throttle and higher assisted speed. The route is mapped as USFS Trail Class 3 on the agency's 1-to-5 development scale, where 1 is the most primitive, minimally maintained tread and 5 is the most developed. Treat this as a planning reference rather than a live conditions report, and verify any time-sensitive closure or order with the ranger district that manages White River National Forest.
Frequently asked questions
- Can you mountain bike on Flag Creek?
- Yes. Mountain bikes are designated as allowed on Flag Creek in White River National Forest, typically May–Nov, per USFS data.
- Are e-bikes allowed on Flag Creek?
- Class 1, Class 2, Class 3 e-bikes are designated on Flag Creek in the USFS data.
- How long is Flag Creek?
- Flag Creek measures about 3.1 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Flag Creek?
- USFS data records the tread surface of Flag Creek as native material.
How we read this data
Grade-based difficulty above is the USFS grade (route steepness), not a technical mountain-bike rating — a gentle-grade trail can still be rocky or technical, and vice versa. Bike and e-bike status come verbatim from the USFS managed-use fields for this trail; we never infer access we can't cite. See our methodology for how the dataset is built and what each field means.
Where it is
Approximate location of White River National Forest (USFS trail geometry isn't mapped).
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