USFS National Forest System Trails · Lincoln National Forest · New Mexico · Updated June 2026
Grindstone Ridge (USFS trail 97) is a 2.4 mi trail in Lincoln National Forest, New Mexico. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Grindstone Ridge?
| 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 Lincoln National Forest, 17% of rideable trail miles are open to mountain bikes — a Bike Access Grade of D.
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About this trail
Grindstone Ridge (USFS trail 97) is a 2.4 mi trail in Lincoln National Forest, New Mexico. 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. USFS records list its surface as native material. Its grade-based difficulty is Advanced (grade band 12-20%) — a steep steepness profile derived from USFS slope data, not a technical mountain-bike rating. Bike use is designated as allowed year-round. No e-bike class (1, 2 or 3) is designated on this trail in the USFS data, so treat it as a non-motorized route unless a posted order says otherwise. 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. Treat this as a planning reference rather than a live conditions report, and verify any time-sensitive closure or order with the ranger district that manages Lincoln National Forest.
Frequently asked questions
- Can you mountain bike on Grindstone Ridge?
- Yes. Mountain bikes are designated as allowed on Grindstone Ridge in Lincoln National Forest, year-round, per USFS data.
- Are e-bikes allowed on Grindstone Ridge?
- No e-bike class (1, 2 or 3) is designated on Grindstone Ridge in the USFS data.
- How long is Grindstone Ridge?
- Grindstone Ridge measures about 2.4 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Grindstone Ridge?
- USFS data records the tread surface of Grindstone Ridge as native material.
- How difficult is Grindstone Ridge?
- 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 Lincoln National Forest (USFS trail geometry isn't mapped).
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