USFS National Forest System Trails · Flathead National Forest · Montana · Updated June 2026
Krause Basin 903 (USFS trail 903) is a 1.2 mi trail in Flathead National Forest, Montana. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Krause Basin 903?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Accepted but discouraged | — |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | Jan–Mar, Jul–Aug, December |
| Class 2 e-bike (throttle, 20 mph) | Allowed | Jan–Mar, Jul–Aug, December |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | Jan–Mar, Jul–Aug, December |
Zooming out: across Flathead National Forest, 27% of rideable trail miles are open to mountain bikes — a Bike Access Grade of C.
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About this trail
Krause Basin 903 (USFS trail 903) is a 1.2 mi trail in Flathead National Forest, Montana. The figures here are pulled from the official US Forest Service trail data for Flathead 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 Intermediate trail (grade band 8-10%); that reflects moderate gradient and is not the same as a technical MTB difficulty rating. For traditional mountain bikes, use is discouraged according to USFS data. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated (Jan–Mar, Jul–Aug, December) — 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 Krause Basin 903?
- Mountain-bike use on Krause Basin 903 is discouraged in USFS records, though Class 1 e-bike use is designated. Confirm current rules with the managing ranger district.
- Are e-bikes allowed on Krause Basin 903?
- Class 1, Class 2, Class 3 e-bikes are designated on Krause Basin 903 in the USFS data.
- How long is Krause Basin 903?
- Krause Basin 903 measures about 1.2 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Krause Basin 903?
- USFS data records the tread surface of Krause Basin 903 as native material.
- How difficult is Krause Basin 903?
- Its grade-based difficulty is Intermediate (grade band 8-10%), 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 Flathead National Forest (USFS trail geometry isn't mapped).
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