USFS National Forest System Trails · Pike and San Isabel National Forests · Colorado · Updated June 2026
Shinglemill (USFS trail 725) is a 5.1 mi trail in Pike and San Isabel National Forests, Colorado. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Shinglemill?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| Class 1 e-bike (pedal-assist, 20 mph) | Restricted | — |
| Class 2 e-bike (throttle, 20 mph) | Restricted | — |
| Class 3 e-bike (pedal-assist, 28 mph) | Restricted | — |
Zooming out: across Pike and San Isabel National Forests, 51% of rideable trail miles are open to mountain bikes — a Bike Access Grade of B.
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About this trail
Shinglemill (USFS trail 725) is a 5.1 mi trail in Pike and San Isabel National Forests, Colorado. This profile summarizes what the official US Forest Service trail record says about riding it: how long the trail is, what it's built on, how steep the route grades out, and which forms of bike use the agency has designated. Underfoot, the trail is recorded as native material. Its grade-based difficulty is Easy (grade band +5-8%) — a gentle steepness profile derived from USFS slope data, not a technical mountain-bike rating. Bike use is designated as allowed year-round. The agency lists no Class 1, 2 or 3 e-bike designation here; absent a local order to the contrary, that means e-bikes are not an allowed use on this trail. 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. Because conditions, closures, and local orders change between data refreshes, confirm the current status with the managing ranger district before you ride.
Frequently asked questions
- Can you mountain bike on Shinglemill?
- Yes. Mountain bikes are designated as allowed on Shinglemill in Pike and San Isabel National Forests, year-round, per USFS data.
- Are e-bikes allowed on Shinglemill?
- No e-bike class (1, 2 or 3) is designated on Shinglemill in the USFS data.
- How long is Shinglemill?
- Shinglemill measures about 5.1 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Shinglemill?
- USFS data records the tread surface of Shinglemill as native material.
- How difficult is Shinglemill?
- Its grade-based difficulty is Easy (grade band +5-8%), derived from USFS slope data. This reflects steepness, not technical mountain-bike difficulty.
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 Pike and San Isabel National Forests (USFS trail geometry isn't mapped).
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