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
Ac- Asphalt · class 5
- Camp Seven0.8 mi · bike + e-bike
Native Material · class 3
- Gerle Creek Trail0.7 mi · bike
Imported Compacted Material · class 5
Intermediate grade (21)
Moderate grade band.
- Barrett Lake Jeep Trail5.5 mi · Class 1 e-bike
Native Material · class 2
- Bald Mountain4.4 mi · bike + e-bike
Native Material · class 3
- Hellhole 4wd Trail3.7 mi · bike + e-bike
Native Material · class 2
- Big X Atv3.7 mi · Class 1 e-bike
Native Material · class 3
- North Shanty 4wd Trail3.2 mi · Class 1 e-bike
Native Material · class 3
- Flume3 mi · bike + e-bike
Native Material · class 3
- Little Silver3 mi · bike
Native Material · class 3
- Big Brushy2.9 mi · Class 1 e-bike
Native Material · class 3
- Soapweed Trail2.6 mi · bike + e-bike
Native Material · class 3
- Mud Lake 4wd2.2 mi · bike + e-bike
Native Material · class 2
- Plummer Station Tie1.8 mi · bike + e-bike
Native Material · class 3
- Bluebird1.4 mi · bike
Native Material · class 3
- Millionaire Trail1.3 mi · bike
Native Material · class 3
- X-Over1.3 mi · bike + e-bike
Native Material · class 3
- Bald Mtn Spur 4wd Trail1.1 mi · Class 1 e-bike
Native Material · class 2
- Brushy1 mi · Class 1 e-bike
Native Material · class 3
- Ball Park 4wd0.9 mi · bike
Native Material · class 2
- Poho0.8 mi · Class 1 e-bike
Native Material · class 3
- Darling Tie0.8 mi · bike + e-bike
Native Material · class 3
- Middle Dry Atv0.6 mi · bike + e-bike
Native Material · class 4
- Poho Power0.5 mi · Class 1 e-bike
Native Material · class 3
Advanced grade (76)
Steep grade band.
- Pony Express37.9 mi · bike + e-bike
Native Material · class 3
- Rock Creek Loop28.4 mi · bike + e-bike
Native Material · class 3
- Caldor Loop22.1 mi · bike + e-bike
Native Material · class 3
- Rubicon20.4 mi · bike
Native Material · class 2
- Plummer Ridge Loop20.3 mi · bike + e-bike
Native Material · class 3
- Carson Emigrant N.R.T.17.7 mi · bike + e-bike
Native Material · class 3
- Gold Rush16.8 mi · bike + e-bike
Native Material · class 3
- Big Mtn. Loop14.1 mi · bike + e-bike
Native Material · class 3
- Slate Canyon12 mi · bike + e-bike
Native Material · class 3
- Crosier Run11.2 mi · bike + e-bike
Native Material · class 3
- Hunters9.8 mi · bike + e-bike
Native Material · class 3
- Silver Lake - Horse Canyon8.2 mi · bike + e-bike
Native Material · class 3
- Thunder Mountain Loop8.1 mi · bike + e-bike
Native Material · class 3
- Al Brass7.2 mi · bike + e-bike
Native Material · class 3
- Fleming Meadow Loop7.1 mi · bike
Native Material · class 3
- Strawberry 4wd Trail6.7 mi · bike + e-bike
Native Material · class 2
- Pipi Grade6.6 mi · bike + e-bike
Native Material · class 3
- Mace Mill Loop6.1 mi · bike + e-bike
Native Material · class 3
- Nevada Point5.6 mi · bike
Native Material · class 3
- Elkins Gold5.1 mi · bike + e-bike
Native Material · class 3
- Darling Ridge Loop5 mi · bike + e-bike
Native Material · class 3
- Lyons5 mi · bike
Native Material · class 3
- Deer Valley 4wd Trail5 mi · bike + e-bike
Native Material · class 2
- Caples Creek4.3 mi · bike
Native Material · class 3
- Martin4.2 mi · bike + e-bike
Native Material · class 4
- Ballarat4.2 mi · bike + e-bike
Native Material · class 3
- Long Canyon 4wd Trail3.9 mi · Class 1 e-bike
Native Material · class 3
- Hales Crossing3.8 mi · bike + e-bike
Native Material · class 3
- Long Valley3.8 mi · bike + e-bike
Native Material · class 2
- Buck Pasture3.7 mi · bike + e-bike
Native Material · class 3
- Ridge Run3.5 mi · bike + e-bike
Native Material · class 3
- Ellicott3.3 mi · bike
Native Material · class 3
- Ice House Bike Trail3.1 mi · bike
Native Material · class 3
- Silver Fork2.9 mi · bike
Native Material · class 3
- Sugarpine Point2.8 mi · bike
Native Material · class 2
- Little Round Top2.7 mi · bike + e-bike
Native Material · class 3
- Lovers Leap2.6 mi · Class 1 e-bike
Native Material · class 3
- West Bald Mountain2.5 mi · bike + e-bike
Native Material · class 3
- Simpson Gulch2.5 mi · bike + e-bike
Native Material · class 3
- Bloodsucker2.4 mi · bike
Native Material · class 2
- Unnecessary2.3 mi · bike + e-bike
Native Material · class 3
- Buckeye Flat2.2 mi · bike
Native Material · class 3
- Spur Bee 4wd Trail2.2 mi · bike + e-bike
Native Material · class 3
- Allen Camp2 mi · bike
Native Material · class 3
- 49ner1.8 mi · bike + e-bike
Native Material · class 3
- Crosier Cutoff1.7 mi · bike + e-bike
Native Material · class 3
- Old Silver Lk Trail1.7 mi · bike
Native Material · class 3
- East Bald Mtn.1.6 mi · bike + e-bike
Native Material · class 3
- Depthcharge1.6 mi · bike + e-bike
Native Material · class 3
- Whaler Loop1.6 mi · bike
Native Material · class 3 · May–Nov
- Lawyer1.5 mi · bike
Native Material · class 3
- Lookout Trail1.5 mi · bike + e-bike
Native Material · class 3
- Forgotten Flat1.5 mi · bike
Native Material · class 2
- Porthole Gap 4wd Trail1.4 mi · Class 1 e-bike
Native Material · class 2
- Five Corners1.2 mi · bike + e-bike
Native Material · class 3
- Sentinels1.2 mi · bike
Native Material · class 4
- Cedar Park1.2 mi · bike
Ac- Asphalt · class 5
- Shortcut Trail1.2 mi · bike + e-bike
Native Material · class 3
- Twins Trail1.1 mi · bike
Native Material · class 3
- Ballarat Cutoff1.1 mi · bike + e-bike
Native Material · class 3
- Whaler Ridge1.1 mi · bike
Native Material · class 3
- Camp Creek1 mi · bike
Native Material · class 3
- Deer Creek Trail1 mi · Class 1 e-bike
Native Material · class 3
- Steely0.9 mi · bike + e-bike
Native Material · class 3
- Slide Point0.8 mi · bike
Native Material · class 3
- Sciaroni0.8 mi · bike
Native Material · class 3
- Miners Pit0.8 mi · bike + e-bike
Native Material · class 3
- Hard Rock0.7 mi · bike + e-bike
Native Material · class 3
- East Silver Lake0.7 mi · bike
Native Material · class 3
- Telephone Ridge0.7 mi · bike + e-bike
Native Material · class 3
- Bald Tie0.7 mi · bike + e-bike
Native Material · class 3
- Government Meadow0.6 mi · bike
Native Material · class 3
- Thunder Mountain0.6 mi · bike
Native Material · class 3
- Red Gold Mine0.6 mi · bike + e-bike
Native Material · class 3
- Cody Spur 4wd Trail0.6 mi · Class 1 e-bike
Native Material · class 2
- Ballarat Ravine0.5 mi · bike + e-bike
Native Material · class 3
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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