USFS National Forest System Trails · Shasta-Trinity National Forest · California · Updated October 2026
Seavy Ditch (USFS trail 09W70) is a 1.2 mi trail in Shasta-Trinity National Forest, California. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
- Trail length
- 1.2 mi
- Grade-based difficulty
- Unknownno grade band recorded
- Surface
- Native Material
- USFS trail class
- Not recorded1 primitive · 5 developed
Can I bike Seavy Ditch?
| 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 Shasta-Trinity National Forest, 80% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Seavy Ditch (USFS trail 09W70) is a 1.2 mi trail in Shasta-Trinity National Forest, California. 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 tread is mapped as native material. No grade band is recorded, so a steepness-based difficulty isn't available for this trail. 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. Its USFS Trail Class (the agency's 1-to-5 development rating) isn't recorded for this segment. 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 Seavy Ditch?
- Yes. Mountain bikes are designated as allowed on Seavy Ditch in Shasta-Trinity National Forest, year-round, per USFS data.
- Are e-bikes allowed on Seavy Ditch?
- No e-bike class (1, 2 or 3) is designated on Seavy Ditch in the USFS data.
- How long is Seavy Ditch?
- Seavy Ditch measures about 1.2 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Seavy Ditch?
- USFS data records the tread surface of Seavy Ditch as native material.
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 Shasta-Trinity National Forest (USFS trail geometry isn't mapped).
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