USFS National Forest System Trails · Fishlake National Forest · Utah · Updated June 2026
Sawmill Creek - Black Flat (USFS trail 2043) is a 2.5 mi trail in Fishlake National Forest, Utah. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Sawmill Creek - Black Flat?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Accepted but discouraged | — |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | year-round |
| Class 2 e-bike (throttle, 20 mph) | Allowed | year-round |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | year-round |
Zooming out: across Fishlake National Forest, 2% of rideable trail miles are open to mountain bikes — a Bike Access Grade of F.
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About this trail
In Fishlake National Forest, Utah, Sawmill Creek - Black Flat (USFS trail 2043) covers 2.5 mi of National Forest System trail. The figures here are pulled from the official US Forest Service trail data for Fishlake National Forest, covering the trail's mileage, tread, grade band, and the bike and e-bike uses the agency lists as designated. USFS records list its surface as native material. USFS slope data puts it in the Expert band (grade band 20-30%), meaning a very steep climb — keep in mind this measures steepness, not trail technicality. For traditional mountain bikes, use is discouraged according to USFS data. The record additionally permits Class 1, Class 2, Class 3 e-bike use; recall that Class 1 is pedal-assist, while Class 2 adds a throttle and Class 3 a higher cutoff 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 Sawmill Creek - Black Flat?
- Mountain-bike use on Sawmill Creek - Black Flat 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 Sawmill Creek - Black Flat?
- Class 1, Class 2, Class 3 e-bikes are designated on Sawmill Creek - Black Flat in the USFS data.
- How long is Sawmill Creek - Black Flat?
- Sawmill Creek - Black Flat measures about 2.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Sawmill Creek - Black Flat?
- USFS data records the tread surface of Sawmill Creek - Black Flat as native material.
- How difficult is Sawmill Creek - Black Flat?
- Its grade-based difficulty is Expert (grade band 20-30%), 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 Fishlake National Forest (USFS trail geometry isn't mapped).
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