USFS National Forest System Trails · Rio Grande National Forest · Colorado · Updated June 2026
Trout (USFS trail 831) is a 10.3 mi trail in Rio Grande National Forest, Colorado. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Trout?
| 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 Rio Grande National Forest, 0% of rideable trail miles are open to mountain bikes — a Bike Access Grade of F.
Watch Rio Grande National Forest for access changes
Email me when USFS mountain-bike or e-bike designations change for trails in Rio Grande National Forest. Free, unsubscribe anytime.
About this trail
Trout (USFS trail 831) runs 10.3 mi through Rio Grande National Forest in Colorado. The figures here are pulled from the official US Forest Service trail data for Rio Grande National Forest, covering the trail's mileage, tread, grade band, and the bike and e-bike uses the agency lists as designated. The tread is mapped 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. 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 Rio Grande National Forest.
Frequently asked questions
- Can you mountain bike on Trout?
- Mountain-bike use on Trout 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 Trout?
- Class 1, Class 2, Class 3 e-bikes are designated on Trout in the USFS data.
- How long is Trout?
- Trout measures about 10.3 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Trout?
- USFS data records the tread surface of Trout as native material.
- How difficult is Trout?
- 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 Rio Grande National Forest (USFS trail geometry isn't mapped).
Where to stay near Rio Grande National Forest
Find hotels, cabins, and vacation rentals near Rio Grande National Forest — plan your ride.
Top-rated places to stay near Rio Grande National Forest
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Riding Rio Grande National Forest?
Trail-access updates and trip ideas by email.