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USFS National Forest System Trails · California · Updated June 2026

Stanislaus National Forest Mountain Bike Trails

ABike Access Grade A84% of rideable miles open to bikes. How we grade

Stanislaus National Forest earns a Bike Access Grade of A: 84% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Excellent — most rideable trail miles are open to mountain bikes, with Class-1 e-bike access too.

Stanislaus National Forest carries 1,384 mi of mapped National Forest System trail, of which 581 mi across 239 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 158 segments (124 mi).

What the USFS data shows for Stanislaus National Forest

Of the 1,384 mi of mapped trail in Stanislaus National Forest, 42% — 581 mi across 239 bike-designated segments — is open to mountain bikes in USFS travel-management data.

Tread is overwhelmingly native dirt: USFS lists native material on 1,113 of 1,130 surfaced segments (98%).

On the USFS difficulty rating, advanced is the most common designation here — 672 of 1,134 rated segments (59%) — across all uses, not bikes alone.

USFS records a year-round bike season for this forest, though high-elevation trails clear later in practice.

The longest single named bike segment in the data is Camp 9 / Spring Gap Footbridge at 32.39 mi on native dirt, rated advanced by USFS and open Year-round.

Class 1 e-bikes are designated on 158 segments (124 mi), and 5 segments carry an ADA-accessibility flag in the same dataset.

A
Bike Access Grade
84% of rideable miles bike-open
269
Ridable trails
with their own page
581 mi
Bike-designated
239 segments
1,384 mi
Total NFS trail
1,148 segments
124 mi
Class 1 e-bike
158 segments

Trail surface

  • Native Material1,113
  • Snow10
  • Crushed Aggregate Or Gravel3
  • Asphalt3
  • Imported Loose Material1

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

  • Class 2816
  • Class 3294
  • Class 431
  • Class 14
  • Class 51

42% 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
Camp 9 / Spring Gap Footbridge32.39Native MaterialYear-round
Hamm-Hall18Native MaterialYear-round
Stanislaus River / Camp Liahon16.5Native MaterialYear-round
Cherry Creek Canyon / Hyatt La16.3Native MaterialYear-round
Clavey River11.5Native MaterialYear-round
San Domingo Loop10.98Native MaterialYear-round
So. Fork Toul. River9.4Native MaterialYear-round
North Fork Stanislaus9Native MaterialYear-round
Bummer/Wheats8.98Native MaterialYear-round
Boulder Flat8.8Native MaterialYear-round
Arnold Rim Trail8.65Native MaterialYear-round
Highland Creek/Wolfborro8.43Native MaterialYear-round
Emigrant Trail8.33Native MaterialYear-round
Tawonga Camp7.5Native MaterialYear-round
Spicer Area / Spicer / Sand6.3Native MaterialYear-round
Italian Bar6.07Native MaterialYear-round
Wolfeboro To Slick Rock6Native MaterialYear-round
Manuel Mill6Native MaterialYear-round
Garnet Hill To Cuneo Camp6Native MaterialYear-round
Herring Creek5.98Native MaterialYear-round
Mail Road / Wolfin Meadow5.79Native MaterialYear-round
N. Fork Merced River (Lower)5.77Native MaterialYear-round
Moss Creek5.75Native MaterialYear-round
West Side R/R Grade5.43Native MaterialYear-round
Spicer/Sand Flat5.27Native MaterialYear-round

Every trail in Stanislaus National Forest

All 269 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 (6)

Gentle grade band (shallow average slope).

Intermediate grade (4)

Moderate grade band.

Advanced grade (259)

Steep grade band.

CSV

Stanislaus National Forest bike-legal trail list (CSV)

Download all 269 bike- and Class 1 e-bike-designated trails in Stanislaus National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.

E-bikes in Stanislaus National Forest

Class 1 on 158 segments · Class 2 on 158 · Class 3 on 158. See full e-bike rules for Stanislaus National Forest

Where it is

Approximate center of Stanislaus 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 Stanislaus National Forest?
Stanislaus National Forest earns a Bike Access Grade of A: 84% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Excellent — most rideable trail miles are open to mountain bikes, with Class-1 e-bike access too.
How many miles of mountain bike trail are in Stanislaus National Forest?
Stanislaus National Forest has about 581 mi of bike-designated trail across 239 segments, out of 1,384 mi of total National Forest System trail.
What is the riding season in Stanislaus National Forest?
Most bike-designated trails in Stanislaus National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
Are e-bikes allowed in Stanislaus National Forest?
Only where designated. Class 1 e-bikes are recorded on 158 segments. See the e-bike rules page for the class-by-class breakdown.

Where to stay near Stanislaus National Forest

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

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