USFS National Forest System Trails · California · Updated June 2026
Eldorado National Forest Mountain Bike Trails
Eldorado National Forest earns a Bike Access Grade of A: 94% 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.
Eldorado National Forest carries 845 mi of mapped National Forest System trail, of which 413 mi across 95 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 82 segments (351 mi).
What the USFS data shows for Eldorado National Forest
Of the 845 mi of mapped trail in Eldorado National Forest, 49% — 413 mi across 95 bike-designated segments — is open to mountain bikes in USFS travel-management data.
Tread is overwhelmingly native dirt: USFS lists native material on 534 of 627 surfaced segments (85%).
On the USFS difficulty rating, advanced is the most common designation here — 537 of 627 rated segments (86%) — 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 Pony Express at 37.9 mi on native dirt, rated advanced by USFS and open Year-round.
Class 1 e-bikes are designated on 82 segments (351 mi), and 7 segments carry an ADA-accessibility flag in the same dataset.
Trail surface
- Native Material534
- Snow72
- Ac- Asphalt17
- Imported Compacted Material3
- Other1
USFS trail class (1 = primitive · 5 = developed)
- Class 3422
- Class 2137
- Class 436
- Class 518
- Class 114
49% 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
| Trail | Miles | Surface | Trail class | Bike season |
|---|---|---|---|---|
| Pony Express | 37.9 | Native Material | — | Year-round |
| Rock Creek Loop | 28.41 | Native Material | — | Year-round |
| Caldor Loop | 22.11 | Native Material | — | Year-round |
| Rubicon | 20.38 | Native Material | — | Year-round |
| Plummer Ridge Loop | 20.33 | Native Material | — | Year-round |
| Carson Emigrant N.R.T. | 17.68 | Native Material | — | Year-round |
| Gold Rush | 16.77 | Native Material | — | Year-round |
| Big Mtn. Loop | 14.06 | Native Material | — | Year-round |
| Slate Canyon | 11.98 | Native Material | — | Year-round |
| Crosier Run | 11.21 | Native Material | — | Year-round |
| Hunters | 9.79 | Native Material | — | Year-round |
| Silver Lake - Horse Canyon | 8.21 | Native Material | — | Year-round |
| Thunder Mountain Loop | 8.14 | Native Material | — | Year-round |
| Al Brass | 7.16 | Native Material | — | Year-round |
| Fleming Meadow Loop | 7.07 | Native Material | — | Year-round |
| Strawberry 4wd Trail | 6.74 | Native Material | — | Year-round |
| Union Valley Bike Trail | 6.65 | Ac- Asphalt | — | Year-round |
| Pipi Grade | 6.63 | Native Material | — | Year-round |
| Mace Mill Loop | 6.14 | Native Material | — | Year-round |
| Nevada Point | 5.63 | Native Material | — | Year-round |
| Barrett Lake Jeep Trail | 5.51 | Native Material | — | — |
| Elkins Gold | 5.1 | Native Material | — | Year-round |
| Darling Ridge Loop | 5.04 | Native Material | — | Year-round |
| Lyons | 5.02 | Native Material | — | Year-round |
| Deer Valley 4wd Trail | 4.99 | Native Material | — | Year-round |
Every trail in Eldorado National Forest
All 100 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 (3)
Gentle grade band (shallow average slope).
- Union Valley Bike Trail6.7 mi · bike
- Camp Seven0.8 mi · bike + e-bike
- Gerle Creek Trail0.7 mi · bike
Intermediate grade (21)
Moderate grade band.
- Barrett Lake Jeep Trail5.5 mi · Class 1 e-bike
- Bald Mountain4.4 mi · bike + e-bike
- Hellhole 4wd Trail3.7 mi · bike + e-bike
- Big X Atv3.7 mi · Class 1 e-bike
- North Shanty 4wd Trail3.2 mi · Class 1 e-bike
- Flume3 mi · bike + e-bike
- Little Silver3 mi · bike
- Big Brushy2.9 mi · Class 1 e-bike
- Soapweed Trail2.6 mi · bike + e-bike
- Mud Lake 4wd2.2 mi · bike + e-bike
- Plummer Station Tie1.8 mi · bike + e-bike
- Bluebird1.4 mi · bike
- Millionaire Trail1.3 mi · bike
- X-Over1.3 mi · bike + e-bike
- Bald Mtn Spur 4wd Trail1.1 mi · Class 1 e-bike
- Brushy1 mi · Class 1 e-bike
- Ball Park 4wd0.9 mi · bike
- Poho0.8 mi · Class 1 e-bike
- Darling Tie0.8 mi · bike + e-bike
- Middle Dry Atv0.6 mi · bike + e-bike
- Poho Power0.5 mi · Class 1 e-bike
Advanced grade (76)
Steep grade band.
- Pony Express37.9 mi · bike + e-bike
- Rock Creek Loop28.4 mi · bike + e-bike
- Caldor Loop22.1 mi · bike + e-bike
- Rubicon20.4 mi · bike
- Plummer Ridge Loop20.3 mi · bike + e-bike
- Carson Emigrant N.R.T.17.7 mi · bike + e-bike
- Gold Rush16.8 mi · bike + e-bike
- Big Mtn. Loop14.1 mi · bike + e-bike
- Slate Canyon12 mi · bike + e-bike
- Crosier Run11.2 mi · bike + e-bike
- Hunters9.8 mi · bike + e-bike
- Silver Lake - Horse Canyon8.2 mi · bike + e-bike
- Thunder Mountain Loop8.1 mi · bike + e-bike
- Al Brass7.2 mi · bike + e-bike
- Fleming Meadow Loop7.1 mi · bike
- Strawberry 4wd Trail6.7 mi · bike + e-bike
- Pipi Grade6.6 mi · bike + e-bike
- Mace Mill Loop6.1 mi · bike + e-bike
- Nevada Point5.6 mi · bike
- Elkins Gold5.1 mi · bike + e-bike
- Darling Ridge Loop5 mi · bike + e-bike
- Lyons5 mi · bike
- Deer Valley 4wd Trail5 mi · bike + e-bike
- Caples Creek4.3 mi · bike
- Martin4.2 mi · bike + e-bike
- Ballarat4.2 mi · bike + e-bike
- Long Canyon 4wd Trail3.9 mi · Class 1 e-bike
- Hales Crossing3.8 mi · bike + e-bike
- Long Valley3.8 mi · bike + e-bike
- Buck Pasture3.7 mi · bike + e-bike
- Ridge Run3.5 mi · bike + e-bike
- Ellicott3.3 mi · bike
- Ice House Bike Trail3.1 mi · bike
- Silver Fork2.9 mi · bike
- Sugarpine Point2.8 mi · bike
- Little Round Top2.7 mi · bike + e-bike
- Lovers Leap2.6 mi · Class 1 e-bike
- West Bald Mountain2.5 mi · bike + e-bike
- Simpson Gulch2.5 mi · bike + e-bike
- Bloodsucker2.4 mi · bike
- Unnecessary2.3 mi · bike + e-bike
- Buckeye Flat2.2 mi · bike
- Spur Bee 4wd Trail2.2 mi · bike + e-bike
- Allen Camp2 mi · bike
- 49ner1.8 mi · bike + e-bike
- Crosier Cutoff1.7 mi · bike + e-bike
- Old Silver Lk Trail1.7 mi · bike
- East Bald Mtn.1.6 mi · bike + e-bike
- Depthcharge1.6 mi · bike + e-bike
- Whaler Loop1.6 mi · bike
- Lawyer1.5 mi · bike
- Lookout Trail1.5 mi · bike + e-bike
- Forgotten Flat1.5 mi · bike
- Porthole Gap 4wd Trail1.4 mi · Class 1 e-bike
- Five Corners1.2 mi · bike + e-bike
- Sentinels1.2 mi · bike
- Cedar Park1.2 mi · bike
- Shortcut Trail1.2 mi · bike + e-bike
- Twins Trail1.1 mi · bike
- Ballarat Cutoff1.1 mi · bike + e-bike
- Whaler Ridge1.1 mi · bike
- Camp Creek1 mi · bike
- Deer Creek Trail1 mi · Class 1 e-bike
- Steely0.9 mi · bike + e-bike
- Slide Point0.8 mi · bike
- Sciaroni0.8 mi · bike
- Miners Pit0.8 mi · bike + e-bike
- Hard Rock0.7 mi · bike + e-bike
- East Silver Lake0.7 mi · bike
- Telephone Ridge0.7 mi · bike + e-bike
- Bald Tie0.7 mi · bike + e-bike
- Government Meadow0.6 mi · bike
- Thunder Mountain0.6 mi · bike
- Red Gold Mine0.6 mi · bike + e-bike
- Cody Spur 4wd Trail0.6 mi · Class 1 e-bike
- Ballarat Ravine0.5 mi · bike + e-bike
Eldorado National Forest bike-legal trail list (CSV)
Download all 100 bike- and Class 1 e-bike-designated trails in Eldorado National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.
E-bikes in Eldorado National Forest
Class 1 on 82 segments · Class 2 on 82 · Class 3 on 82. See full e-bike rules for Eldorado National Forest →
Where it is
Approximate center of Eldorado 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 Eldorado National Forest?
- Eldorado National Forest earns a Bike Access Grade of A: 94% 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 Eldorado National Forest?
- Eldorado National Forest has about 413 mi of bike-designated trail across 95 segments, out of 845 mi of total National Forest System trail.
- What is the riding season in Eldorado National Forest?
- Most bike-designated trails in Eldorado National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Eldorado National Forest?
- Only where designated. Class 1 e-bikes are recorded on 82 segments. See the e-bike rules page for the class-by-class breakdown.
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