USFS National Forest System Trails · Custer Gallatin National Forest · Montana · Updated June 2026
Lost Wolverine (USFS trail 113) is a 11.2 mi trail in Custer Gallatin National Forest, Montana. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike Lost Wolverine?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | Jun–Dec |
| Class 2 e-bike (throttle, 20 mph) | Allowed | Jun–Dec |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | Jun–Dec |
Zooming out: across Custer Gallatin National Forest, 98% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Lost Wolverine (USFS trail 113) runs 11.2 mi through Custer Gallatin National Forest in Montana. Everything below comes straight from the US Forest Service National Forest System Trails dataset — length, surface, slope-derived difficulty, and the specific bike and e-bike designations on record — so you can check legality before you load up. USFS records list its surface 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. Mountain bikes are allowed, open year-round in the data. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated (Jun–Dec) — 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. 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 Lost Wolverine?
- Yes. Mountain bikes are designated as allowed on Lost Wolverine in Custer Gallatin National Forest, year-round, per USFS data.
- Are e-bikes allowed on Lost Wolverine?
- Class 1, Class 2, Class 3 e-bikes are designated on Lost Wolverine in the USFS data.
- How long is Lost Wolverine?
- Lost Wolverine measures about 11.2 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Lost Wolverine?
- USFS data records the tread surface of Lost Wolverine as native material.
- How difficult is Lost Wolverine?
- 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 Custer Gallatin National Forest (USFS trail geometry isn't mapped).
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