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CanIBikeHere

Updated October 2026

Sawtooth National Forest Mountain Bike Trails

Mountain bike

782mi

designated on 197 segments

34% of mapped trail

E-bike

1,184miClass 1

designated on 318 segments

51% of mapped trail

Mountain bike

782mi

designated on 197 segments

34% of mapped trail

Season on record
Year-round
Bike Access Grade
B59% of rideable miles open to bikes. How we grade

E-bike

1,184miClass 1

designated on 318 segments

  • Class 11,184 mi
  • Class 21,184 mi
  • Class 31,184 mi

Treated as a motor vehicle: ridden only where designated.

Ridable trails
314
Mapped trail
2,323 mi on 979 segments

Both lanes share one scale: the 2,323 mi of National Forest System trail mapped in Sawtooth National Forest, Idaho. From USFS National Forest System Trails records, updated October 2026.

Sawtooth National Forest earns a Bike Access Grade of B: 59% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Good — a solid majority of rideable miles welcome bikes.

Sawtooth National Forest carries 2,323 mi of mapped National Forest System trail, of which 782 mi across 197 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 318 segments (1,184 mi).

What the USFS data shows for Sawtooth National Forest

Of the 2,323 mi of mapped trail in Sawtooth National Forest, 34% — 782 mi across 197 bike-designated segments — is open to mountain bikes in USFS travel-management data.

Tread is overwhelmingly native dirt: USFS lists native material on 818 of 977 surfaced segments (84%).

On the USFS difficulty rating, advanced is the most common designation here — 569 of 967 rated segments (59%) — across all uses, not bikes alone.

USFS records a year-round bike season for this forest, though 3 different season windows still appear on individual segments at higher elevation.

The longest single named bike segment in the data is Livingston Mill-Castle Divide at 21.56 mi on native dirt, rated advanced by USFS.

Class 1 e-bikes are designated on 318 segments (1,184 mi), and 4 segments carry an ADA-accessibility flag in the same dataset.

Trail surface

  • Native Material818
  • Snow155
  • Asphalt3
  • Other1

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

  • Class 3522
  • Class 2281
  • Class 4150
  • Class 122
  • Class 54

34% 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

TrailMiles
Livingston Mill-Castle DivideNative Material21.56
Warm Springs CreekNative Material20.75
Harriman TrailOtherYear-round18.64
Big SmokyNative MaterialYear-round18.6
Alpine WayNative MaterialYear-round16.66
Skyline TrailNative MaterialYear-round15
Iron Creek - Stanley LakeNative MaterialYear-round14.54
Martin-Big CasinoNative Material13.75
Soldier Cr-Miller CrNative MaterialYear-round13.66
Paradise CreekNative MaterialYear-round13.51
SkylineNative Material12.73
Big Peak/East Fork Big PeakNative MaterialYear-round12.42
Alturas Lake-MattinglyNative Material12.24
Big CottonwoodNative Material12.1
Grand PrizeNative Material11.74
Skeleton CreekNative MaterialYear-round11.55
Willow CreekNative MaterialYear-round11.29
Little Water GulchNative MaterialYear-round11.29
Osberg Ridgeline TrailNative Material11.28
Germania CreekNative Material11.04
West Fork Big Smoky CreekNative Material10.73
North Fork Lime CreekNative MaterialYear-round10.69
The GrinderNative MaterialJun–Nov10.55
Mule CreekNative MaterialYear-round10.29
RangerNative MaterialYear-round10.08

Every trail in Sawtooth National Forest

All 314 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 (109)

Gentle grade band (shallow average slope).

Intermediate grade (32)

Moderate grade band.

Advanced grade (169)

Steep grade band.

Grade not recorded (4)

No grade band recorded in the USFS data.

CSV

Sawtooth National Forest bike-legal trail list (CSV)

Download all 314 bike- and Class 1 e-bike-designated trails in Sawtooth National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.

E-bikes in Sawtooth National Forest

Class 1 on 318 segments · Class 2 on 318 · Class 3 on 318. See full e-bike rules for Sawtooth National Forest →

Where it is

Approximate center of Sawtooth 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 Sawtooth National Forest?
Sawtooth National Forest earns a Bike Access Grade of B: 59% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Good — a solid majority of rideable miles welcome bikes.
How many miles of mountain bike trail are in Sawtooth National Forest?
Sawtooth National Forest has about 782 mi of bike-designated trail across 197 segments, out of 2,323 mi of total National Forest System trail.
What is the riding season in Sawtooth National Forest?
Most bike-designated trails in Sawtooth National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
Are e-bikes allowed in Sawtooth National Forest?
Only where designated. Class 1 e-bikes are recorded on 318 segments. See the e-bike rules page for the class-by-class breakdown.

Where to stay near Sawtooth National Forest

Cabins, lodges, and campgrounds near Sawtooth National Forest in Idaho — compare places to stay for a mountain-bike trip.

Top-rated places to stay near Sawtooth National Forest

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