USFS National Forest System Trails · Montana · Updated June 2026
Bitterroot National Forest Mountain Bike Trails
Bitterroot National Forest earns a Bike Access Grade of F: 0% of its rideable trail miles are open to mountain bikes (no Class-1 e-bike designation on record). Restricted — traditional bikes are open on very few of the forest’s rideable miles.
Bitterroot National Forest carries 1,790 mi of mapped National Forest System trail, of which 0 mi across 0 segments is designated for mountain bikes. Class 1 e-bikes are designated on 0 segments (0 mi).
What the USFS data shows for Bitterroot National Forest
Bitterroot National Forest maps 1,790 mi of National Forest System trail across 635 segments, but USFS travel-management data records no bike-designated mileage for this forest — every segment shown here is hike/stock or otherwise non-bike in the official layer.
The network is built mostly on native dirt: 626 of 633 surfaced segments (99%) are native material.
By USFS difficulty rating the trails skew advanced, the most common designation at 320 of 632 rated segments (51%).
The most common USFS trail class is Class 2 (237 segments), on the 1-primitive to 5-developed scale.
226 segments carry an ADA-accessibility flag in the dataset.
Trail surface
- Native Material626
- Snow5
- Ac- Asphalt2
USFS trail class (1 = primitive · 5 = developed)
- Class 2237
- Class 3133
- Class 112
- Class 45
- Class N2
0% of this forest's mapped trail is bike-designated. Note: USFS records trail grade (steepness), not technical MTB difficulty — we surface grade where present but do not infer a black/blue/green rating from it.
E-bikes in Bitterroot National Forest
Class 1 on 0 segments · Class 2 on 0 · Class 3 on 0. See full e-bike rules for Bitterroot National Forest →
Where it is
Approximate center of Bitterroot National Forest. USFS trail geometry isn't mapped here — use the ranger district for trailheads.
Frequently asked questions
- What is the bike access grade for Bitterroot National Forest?
- Bitterroot National Forest earns a Bike Access Grade of F: 0% of its rideable trail miles are open to mountain bikes (no Class-1 e-bike designation on record). Restricted — traditional bikes are open on very few of the forest’s rideable miles.
- How many miles of mountain bike trail are in Bitterroot National Forest?
- Bitterroot National Forest has about 0 mi of bike-designated trail across 0 segments, out of 1,790 mi of total National Forest System trail.
- What is the riding season in Bitterroot National Forest?
- Season windows vary by trail and elevation in Bitterroot National Forest; check current conditions with the ranger district.
- Are e-bikes allowed in Bitterroot National Forest?
- Only where designated. Class 1 e-bikes are recorded on 0 segments. See the e-bike rules page for the class-by-class breakdown.
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