USFS National Forest System Trails · Lassen National Forest · California · Updated June 2026
Rock Creek High Lakes (USFS trail 519) is a 3.5 mi trail in Lassen National Forest, California. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Rock Creek High Lakes?
| 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 Lassen National Forest, 35% of rideable trail miles are open to mountain bikes — a Bike Access Grade of C.
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About this trail
In Lassen National Forest, California, Rock Creek High Lakes (USFS trail 519) covers 3.5 mi of National Forest System trail. 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. Its grade-based difficulty is Advanced (grade band 12-20%) — a steep steepness profile derived from USFS slope data, not a technical mountain-bike rating. 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 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. 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 Rock Creek High Lakes?
- Mountain-bike use on Rock Creek High Lakes 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 Rock Creek High Lakes?
- Class 1, Class 2, Class 3 e-bikes are designated on Rock Creek High Lakes in the USFS data.
- How long is Rock Creek High Lakes?
- Rock Creek High Lakes measures about 3.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Rock Creek High Lakes?
- USFS data records the tread surface of Rock Creek High Lakes as native material.
- How difficult is Rock Creek High Lakes?
- 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 Lassen National Forest (USFS trail geometry isn't mapped).
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