USFS National Forest System Trails · Sawtooth National Forest · Idaho · Updated June 2026
Lower Forbidden Fruit (USFS trail 7161) is a 0.6 mi trail in Sawtooth National Forest, Idaho. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Lower Forbidden Fruit?
| 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 Sawtooth National Forest, 59% of rideable trail miles are open to mountain bikes — a Bike Access Grade of B.
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About this trail
In Sawtooth National Forest, Idaho, Lower Forbidden Fruit (USFS trail 7161) covers 0.6 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 trail surface is not specified in the USFS record. Based on slope, this is a Intermediate trail (grade band 10-12%); that reflects moderate gradient and is not the same as a technical MTB difficulty rating. 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 Lower Forbidden Fruit?
- Yes. Mountain bikes are designated as allowed on Lower Forbidden Fruit in Sawtooth National Forest, year-round, per USFS data.
- Are e-bikes allowed on Lower Forbidden Fruit?
- No e-bike class (1, 2 or 3) is designated on Lower Forbidden Fruit in the USFS data.
- How long is Lower Forbidden Fruit?
- Lower Forbidden Fruit measures about 0.6 mi in total, summed across its mapped National Forest System segments.
- How difficult is Lower Forbidden Fruit?
- Its grade-based difficulty is Intermediate (grade band 10-12%), 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 Sawtooth National Forest (USFS trail geometry isn't mapped).
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