USFS National Forest System Trails · Mt. Baker-Snoqualmie National Forest · Washington · Updated October 2026
Alpine Baldy (USFS trail 1240.2) is a 7.2 mi trail in Mt. Baker-Snoqualmie National Forest, Washington. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
- Trail length
- 7.2 mi
- Grade-based difficulty
- Intermediategrade band +10-12%
- Surface
- Native Material
- USFS trail class
- Class 31 primitive · 5 developed
Can I bike Alpine Baldy?
| 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 Mt. Baker-Snoqualmie National Forest, 74% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Alpine Baldy (USFS trail 1240.2) is a 7.2 mi trail in Mt. Baker-Snoqualmie National Forest, Washington. 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. 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. Mountain bikes are allowed, open year-round in the data. 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. 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 Alpine Baldy?
- Yes. Mountain bikes are designated as allowed on Alpine Baldy in Mt. Baker-Snoqualmie National Forest, year-round, per USFS data.
- Are e-bikes allowed on Alpine Baldy?
- No e-bike class (1, 2 or 3) is designated on Alpine Baldy in the USFS data.
- How long is Alpine Baldy?
- Alpine Baldy measures about 7.2 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Alpine Baldy?
- USFS data records the tread surface of Alpine Baldy as native material.
- How difficult is Alpine Baldy?
- 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 Mt. Baker-Snoqualmie National Forest (USFS trail geometry isn't mapped).
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