USFS National Forest System Trails · Fishlake National Forest · Utah · Updated June 2026
The Face - Forest Boundary (USFS trail PST 05C) is a 4.5 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 The Face - Forest Boundary?
| 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
The Face - Forest Boundary (USFS trail PST 05C) runs 4.5 mi through Fishlake National Forest in Utah. 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. 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. Note that mountain-bike use here is discouraged in USFS records — confirm with the ranger district before riding. 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. For day-of certainty on closures or seasonal orders, check directly with the ranger district, since this reflects the USFS data as of the latest refresh.
Frequently asked questions
- Can you mountain bike on The Face - Forest Boundary?
- Mountain-bike use on The Face - Forest Boundary 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 The Face - Forest Boundary?
- Class 1, Class 2, Class 3 e-bikes are designated on The Face - Forest Boundary in the USFS data.
- How long is The Face - Forest Boundary?
- The Face - Forest Boundary measures about 4.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of The Face - Forest Boundary?
- USFS data records the tread surface of The Face - Forest Boundary as native material.
- How difficult is The Face - Forest Boundary?
- 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 Fishlake National Forest (USFS trail geometry isn't mapped).
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