USFS National Forest System Trails · George Washington and Jefferson National Forest · Virginia · Updated June 2026
Perkins Knob Spur (USFS trail 318A) is a 0.5 mi trail in George Washington and Jefferson National Forest, Virginia. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Perkins Knob Spur?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| Class 1 e-bike (pedal-assist, 20 mph) | Restricted | — |
| Class 2 e-bike (throttle, 20 mph) | Restricted | — |
| Class 3 e-bike (pedal-assist, 28 mph) | Restricted | — |
Zooming out: across George Washington and Jefferson National Forest, 90% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
In George Washington and Jefferson National Forest, Virginia, Perkins Knob Spur (USFS trail 318A) covers 0.5 mi of National Forest System trail. 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. The tread is mapped as native material. USFS slope data puts it in the Advanced band (grade band +12-20%), meaning a steep climb — keep in mind this measures steepness, not trail technicality. Bike use is designated as allowed year-round. The agency lists no Class 1, 2 or 3 e-bike designation here; absent a local order to the contrary, that means e-bikes are not an allowed use on this trail. 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 Perkins Knob Spur?
- Yes. Mountain bikes are designated as allowed on Perkins Knob Spur in George Washington and Jefferson National Forest, year-round, per USFS data.
- Are e-bikes allowed on Perkins Knob Spur?
- No e-bike class (1, 2 or 3) is designated on Perkins Knob Spur in the USFS data.
- How long is Perkins Knob Spur?
- Perkins Knob Spur measures about 0.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Perkins Knob Spur?
- USFS data records the tread surface of Perkins Knob Spur as native material.
- How difficult is Perkins Knob Spur?
- 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 George Washington and Jefferson National Forest (USFS trail geometry isn't mapped).
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