USFS National Forest System Trails · Boise National Forest · Idaho · Updated June 2026
Blue Jay (USFS trail 149005) is a 4.7 mi trail in Boise National Forest, Idaho. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike Blue Jay?
| 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 Boise National Forest, 99% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
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About this trail
Blue Jay (USFS trail 149005) is a 4.7 mi trail in Boise National Forest, Idaho. This profile summarizes what the official US Forest Service trail record says about riding it: how long the trail is, what it's built on, how steep the route grades out, and which forms of bike use the agency has designated. Underfoot, the trail is recorded 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. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated — Class 1 being pedal-assist only, Classes 2 and 3 adding a throttle and higher assisted speed. 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. Treat this as a planning reference rather than a live conditions report, and verify any time-sensitive closure or order with the ranger district that manages Boise National Forest.
Frequently asked questions
- Can you mountain bike on Blue Jay?
- Yes. Mountain bikes are designated as allowed on Blue Jay in Boise National Forest, year-round, per USFS data.
- Are e-bikes allowed on Blue Jay?
- Class 1, Class 2, Class 3 e-bikes are designated on Blue Jay in the USFS data.
- How long is Blue Jay?
- Blue Jay measures about 4.7 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Blue Jay?
- USFS data records the tread surface of Blue Jay 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 Boise National Forest (USFS trail geometry isn't mapped).
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