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USFS National Forest System Trails · Montana · Updated June 2026

Lolo National Forest Mountain Bike Trails

CBike Access Grade C — 34% of rideable miles open to bikes. How we grade

Lolo National Forest earns a Bike Access Grade of C: 34% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Mixed — bikes are open on a meaningful share of rideable trails, but many are e-bike-only or discouraged.

Lolo National Forest carries 2,334 mi of mapped National Forest System trail, of which 182 mi across 119 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 77 segments (341 mi).

Reviewed by CanIBikeHere Editorial Team · Updated
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What the USFS data shows for Lolo National Forest

Of the 2,334 mi of mapped trail in Lolo National Forest, 8% — 182 mi across 119 bike-designated segments — is open to mountain bikes in USFS travel-management data.

Tread is overwhelmingly native dirt: USFS lists native material on 674 of 761 surfaced segments (89%).

On the USFS difficulty rating, advanced is the most common designation here — 444 of 642 rated segments (69%) — across all uses, not bikes alone.

USFS records a year-round bike season for this forest, though 4 different season windows still appear on individual segments at higher elevation.

The longest single named bike segment in the data is Cc Divide at 54.79 mi on native dirt, rated advanced by USFS.

Class 1 e-bikes are designated on 77 segments (341 mi), and 4 segments carry an ADA-accessibility flag in the same dataset.

C
Bike Access Grade
34% of rideable miles bike-open
148
Ridable trails
with their own page
182 mi
Bike-designated
119 segments
2,334 mi
Total NFS trail
773 segments
341 mi
Class 1 e-bike
77 segments

Trail surface

  • Native Material674
  • Snow75
  • Imported Compacted Material7
  • Asphalt3
  • Crushed Aggregate Or Gravel1

USFS trail class (1 = primitive · 5 = developed)

  • Class 3296
  • Class 2230
  • Class 4190
  • Class 150
  • Class 54

8% 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.

Largest bike-designated trails

TrailMilesSurfaceTrail classBike season
Cc Divide54.79Native Material——
Rattlesnake Creek16.75Native Material—Year-round
Kreis Pond Red Loop14.66Native Material—Year-round
Sheep Mountain14.02Native Material—Jun–Nov
Stuart Peak13Native Material—Jun–Nov
Up Up Ridge11.5Native Material——
Storm Peak10.68Native Material——
Dry-Wilkes Divide10.56Native Material——
Blue Mtn Hiking & Equestrian9.45Native Material—Year-round
Reservation Divide8.47Native Material——
River Trail8.46Native Material——
Table Top Mountain7.57Native Material——
Wilkes Creek7.29Native Material——
Snowstorm Ridge6.25Native Material——
Savenac Creek6.16Native Material——
Mill Creek5.99Native Material——
Granite Ridge5.98Native Material——
Edith Peak5.91Native Material——
Bear Creek5.71Native Material——
Daisy Creek5.58Native Material——
Lee Ridge5.56Native Material——
Iron Mountain5.44Native Material—Jun–Oct
West Fork Swamp Creek5.37Native Material——
Tepee Creek5.25Native Material——
Flat Rock Creek5.09Native Material——

Every trail in Lolo National Forest

All 148 ridable trails in this forest — every trail where USFS data designates mountain-bike or Class 1 e-bike use, grouped by grade-based steepness. Grade reflects slope, not technical difficulty. Each trail links to its full data profile.

Easy grade (8)

Gentle grade band (shallow average slope).

Intermediate grade (41)

Moderate grade band.

Advanced grade (84)

Steep grade band.

Grade not recorded (15)

No grade band recorded in the USFS data.

CSV

Lolo National Forest bike-legal trail list (CSV)

Download all 148 bike- and Class 1 e-bike-designated trails in Lolo National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.

E-bikes in Lolo National Forest

Class 1 on 77 segments · Class 2 on 77 · Class 3 on 77. See full e-bike rules for Lolo National Forest →

Where it is

Approximate center of Lolo 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 Lolo National Forest?
Lolo National Forest earns a Bike Access Grade of C: 34% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Mixed — bikes are open on a meaningful share of rideable trails, but many are e-bike-only or discouraged.
How many miles of mountain bike trail are in Lolo National Forest?
Lolo National Forest has about 182 mi of bike-designated trail across 119 segments, out of 2,334 mi of total National Forest System trail.
What is the riding season in Lolo National Forest?
Most bike-designated trails in Lolo National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
Are e-bikes allowed in Lolo National Forest?
Only where designated. Class 1 e-bikes are recorded on 77 segments. See the e-bike rules page for the class-by-class breakdown.

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