USFS National Forest System Trails · Caribou-Targhee National Forest · Idaho · Updated June 2026
Carlton Cutoff (USFS trail 6060) is a 6.4 mi trail in Caribou-Targhee National Forest, Idaho. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike Carlton Cutoff?
| 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 Caribou-Targhee National Forest, 98% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Carlton Cutoff (USFS trail 6060) runs 6.4 mi through Caribou-Targhee National Forest in Idaho. 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. Underfoot, the trail is recorded 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. Mountain bikes are allowed, open year-round in the 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. Because conditions, closures, and local orders change between data refreshes, confirm the current status with the managing ranger district before you ride.
Frequently asked questions
- Can you mountain bike on Carlton Cutoff?
- Yes. Mountain bikes are designated as allowed on Carlton Cutoff in Caribou-Targhee National Forest, year-round, per USFS data.
- Are e-bikes allowed on Carlton Cutoff?
- Class 1, Class 2, Class 3 e-bikes are designated on Carlton Cutoff in the USFS data.
- How long is Carlton Cutoff?
- Carlton Cutoff measures about 6.4 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Carlton Cutoff?
- USFS data records the tread surface of Carlton Cutoff as native material.
- How difficult is Carlton Cutoff?
- 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 Caribou-Targhee National Forest (USFS trail geometry isn't mapped).
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