USFS National Forest System Trails · Lolo National Forest · Montana · Updated June 2026
Rattlesnake Creek (USFS trail 515) is a 16.8 mi trail in Lolo National Forest, Montana. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Rattlesnake Creek?
| 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 Lolo National Forest, 34% of rideable trail miles are open to mountain bikes — a Bike Access Grade of C.
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About this trail
Rattlesnake Creek (USFS trail 515) runs 16.8 mi through Lolo National Forest in Montana. The figures here are pulled from the official US Forest Service trail data for Lolo 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. Based on slope, this is a Advanced trail (grade band 12-20%); that reflects steep gradient and is not the same as a technical MTB difficulty 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 4 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 Lolo National Forest.
Frequently asked questions
- Can you mountain bike on Rattlesnake Creek?
- Yes. Mountain bikes are designated as allowed on Rattlesnake Creek in Lolo National Forest, year-round, per USFS data.
- Are e-bikes allowed on Rattlesnake Creek?
- No e-bike class (1, 2 or 3) is designated on Rattlesnake Creek in the USFS data.
- How long is Rattlesnake Creek?
- Rattlesnake Creek measures about 16.8 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Rattlesnake Creek?
- USFS data records the tread surface of Rattlesnake Creek as native material.
- How difficult is Rattlesnake Creek?
- Its grade-based difficulty is Advanced (grade band 12-20%), 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 Lolo National Forest (USFS trail geometry isn't mapped).
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