USFS National Forest System Trails · Manti-La Sal National Forest · Utah · Updated June 2026
West Shay (435) (USFS trail 5435) is a 2.4 mi trail in Manti-La Sal National Forest, Utah. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike West Shay (435)?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| 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 Manti-La Sal National Forest, 40% of rideable trail miles are open to mountain bikes — a Bike Access Grade of C.
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About this trail
West Shay (435) (USFS trail 5435) runs 2.4 mi through Manti-La Sal National Forest in Utah. 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. Bike use is designated as allowed year-round. 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 West Shay (435)?
- Yes. Mountain bikes are designated as allowed on West Shay (435) in Manti-La Sal National Forest, year-round, per USFS data.
- Are e-bikes allowed on West Shay (435)?
- Class 1, Class 2, Class 3 e-bikes are designated on West Shay (435) in the USFS data.
- How long is West Shay (435)?
- West Shay (435) measures about 2.4 mi in total, summed across its mapped National Forest System segments.
- What is the surface of West Shay (435)?
- USFS data records the tread surface of West Shay (435) as native material.
- How difficult is West Shay (435)?
- 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 Manti-La Sal National Forest (USFS trail geometry isn't mapped).
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