USFS National Forest System Trails · Idaho Panhandle National Forests · Idaho · Updated June 2026
Emerson Ridge (USFS trail 404) is a 2.4 mi trail in Idaho Panhandle National Forests, Idaho. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Emerson Ridge?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Accepted but discouraged | — |
| 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 Idaho Panhandle National Forests, 6% of rideable trail miles are open to mountain bikes — a Bike Access Grade of F.
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About this trail
Emerson Ridge (USFS trail 404) is a 2.4 mi trail in Idaho Panhandle National Forests, 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. For traditional mountain bikes, use is discouraged according to USFS 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. 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 Emerson Ridge?
- Mountain-bike use on Emerson Ridge is discouraged in USFS records, though Class 1 e-bike use is designated. Confirm current rules with the managing ranger district.
- Are e-bikes allowed on Emerson Ridge?
- Class 1, Class 2, Class 3 e-bikes are designated on Emerson Ridge in the USFS data.
- How long is Emerson Ridge?
- Emerson Ridge measures about 2.4 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Emerson Ridge?
- USFS data records the tread surface of Emerson Ridge as native material.
- How difficult is Emerson 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 Idaho Panhandle National Forests (USFS trail geometry isn't mapped).
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