USFS National Forest System Trails · Fishlake National Forest · Utah · Updated June 2026
Dog Valley - Bull Valley (USFS trail 338) is a 4.6 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 Dog Valley - Bull Valley?
| 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, Dog Valley - Bull Valley (USFS trail 338) covers 4.6 mi of National Forest System trail. This profile summarizes what the official US Forest Service trail record says about riding it: how long the trail is, what it's built on, how steep the route grades out, and which forms of bike use the agency has designated. The tread is mapped 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. 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 2 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 Dog Valley - Bull Valley?
- Mountain-bike use on Dog Valley - Bull Valley 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 Dog Valley - Bull Valley?
- Class 1, Class 2, Class 3 e-bikes are designated on Dog Valley - Bull Valley in the USFS data.
- How long is Dog Valley - Bull Valley?
- Dog Valley - Bull Valley measures about 4.6 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Dog Valley - Bull Valley?
- USFS data records the tread surface of Dog Valley - Bull Valley as native material.
- How difficult is Dog Valley - Bull Valley?
- 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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