USFS National Forest System Trails · Kootenai National Forest · Montana · Updated June 2026
Whoop Up (USFS trail 376F) is a 1.5 mi trail in Kootenai National Forest, Montana. Mountain bikes are designated as allowed, Jun–Nov, with no Class 1 e-bike designation on record.
Can I bike Whoop Up?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | Jun–Nov |
| 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 Kootenai National Forest, 55% of rideable trail miles are open to mountain bikes — a Bike Access Grade of B.
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About this trail
In Kootenai National Forest, Montana, Whoop Up (USFS trail 376F) covers 1.5 mi of National Forest System trail. 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 Easy trail (grade band 0-5%); that reflects gentle gradient and is not the same as a technical MTB difficulty rating. Bike use is designated as allowed, typically Jun–Nov. No e-bike class (1, 2 or 3) is designated on this trail in the USFS data, so treat it as a non-motorized route unless a posted order says otherwise. 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 Whoop Up?
- Yes. Mountain bikes are designated as allowed on Whoop Up in Kootenai National Forest, typically Jun–Nov, per USFS data.
- Are e-bikes allowed on Whoop Up?
- No e-bike class (1, 2 or 3) is designated on Whoop Up in the USFS data.
- How long is Whoop Up?
- Whoop Up measures about 1.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Whoop Up?
- USFS data records the tread surface of Whoop Up as native material.
- How difficult is Whoop Up?
- Its grade-based difficulty is Easy (grade band 0-5%), 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 Kootenai National Forest (USFS trail geometry isn't mapped).
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