USFS National Forest System Trails · Colorado · Updated June 2026
Pike and San Isabel National Forests Mountain Bike Trails
Pike and San Isabel National Forests earns a Bike Access Grade of B: 51% 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.
Pike and San Isabel National Forests carries 2,360 mi of mapped National Forest System trail, of which 618 mi across 136 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 182 segments (681 mi).
What the USFS data shows for Pike and San Isabel National Forests
Of the 2,360 mi of mapped trail in Pike and San Isabel National Forests, 26% — 618 mi across 136 bike-designated segments — is open to mountain bikes in USFS travel-management data.
Tread is overwhelmingly native dirt: USFS lists native material on 1,276 of 1,340 surfaced segments (95%).
On the USFS difficulty rating, advanced is the most common designation here — 903 of 1,339 rated segments (67%) — 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 Colorado at 194.38 mi on native dirt, rated advanced by USFS and open Year-round.
Class 1 e-bikes are designated on 182 segments (681 mi), and 15 segments carry an ADA-accessibility flag in the same dataset.
Trail surface
- Native Material1,276
- Snow35
- Imported Compacted Material20
- Asphalt7
- Chunk Wood1
USFS trail class (1 = primitive · 5 = developed)
- Class 3757
- Class 2381
- Class 487
- Class 172
- Class 540
26% 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 |
|---|---|---|---|---|
| Colorado | 194.38 | Native Material | — | Year-round |
| Rainbow | 99.92 | Native Material | — | — |
| Turtle Mountain | 41.3 | Native Material | — | — |
| Brookside-Mccurdy | 32.51 | Native Material | — | Year-round |
| Signal Butte Multi Use | 32.23 | Native Material | — | — |
| Midland Bike Trail | 19.62 | Native Material | — | Year-round |
| Turtle Mountain | 15.85 | Native Material | — | — |
| Indian | 13.56 | Native Material | — | Year-round |
| Long Hollow | 12.49 | Native Material | — | — |
| Tanner/East Bear Gulch | 12.24 | Native Material | — | — |
| Indian Creek | 11.41 | Native Material | — | Jan–Mar, Jun–Dec |
| Cisneros | 11.18 | Native Material | — | — |
| South Park | 11.12 | Native Material | — | Jan–Mar, Jun–Dec |
| Rampart Reservoir | 10.86 | Native Material | — | Year-round |
| Rule Spur | 10.5 | Native Material | — | — |
| Phantom Spur | 10.16 | Native Material | — | — |
| Devils Revenge | 9.49 | Native Material | — | — |
| Little Scraggy | 9.35 | Native Material | — | Year-round |
| Beginner | 9.22 | Native Material | — | — |
| St. Charles | 9.22 | Native Material | — | Year-round |
| Picket Wire Canyonlands | 8.56 | Native Material | — | Year-round |
| 787 | 7.91 | Native Material | — | — |
| South Apache | 7.46 | Native Material | — | — |
| Threemile | 7.23 | Native Material | — | Year-round |
| Noddle | 7.22 | Native Material | — | — |
Every trail in Pike and San Isabel National Forests
All 244 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 (76)
Gentle grade band (shallow average slope).
- Turtle Mountain41.3 mi · Class 1 e-bike
Native Material · class 4
- Turtle Mountain15.9 mi · Class 1 e-bike
Native Material · class 3
- Tanner/East Bear Gulch12.2 mi · Class 1 e-bike
Native Material · class 3
- Indian Creek11.4 mi · bike
Native Material · class 3 · Jan–Mar, Jun–Dec
- Devils Revenge9.5 mi · Class 1 e-bike
Native Material · class 3
- Little Scraggy9.4 mi · bike
Native Material · class 3
- Beginner9.2 mi · Class 1 e-bike
Native Material · class 3
- Picket Wire Canyonlands8.6 mi · bike
Native Material · class 3
- 7877.9 mi · Class 1 e-bike
Native Material · class 3
- Skeleton7.2 mi · Class 1 e-bike
Native Material · class 3
- Log Jumper7 mi · Class 1 e-bike
Native Material · class 3
- Tunnel6.7 mi · Class 1 e-bike
Native Material · class 3
- Bergen Rock6.7 mi · Class 1 e-bike
Native Material · class 3
- Stultz6.1 mi · bike + e-bike
Native Material · class 2
- Watson Park6 mi · Class 1 e-bike
Native Material · class 3
- 04345.8 mi · bike + e-bike
Native Material · class 3
- Shinglemill5.1 mi · bike
Native Material · class 3
- North Elk Creek4.6 mi · bike
Native Material · class 3 · Jan–Feb, Jun–Dec
- Dodgeton4.6 mi · bike + e-bike
Native Material · class 3
- Beaver Creek4.4 mi · Class 1 e-bike
Native Material · class 4
- Turkey Creek4.2 mi · Class 1 e-bike
Native Material · class 4
- Baldy4.1 mi · bike
Native Material · class 3
- Horse Ranch4 mi · Class 1 e-bike
Native Material · class 2
- Nice Kitty3.9 mi · bike
Native Material · class 3
- Long Hollow Bypass3.6 mi · Class 1 e-bike
Native Material · class 3
- Tornado Alley3.5 mi · Class 1 e-bike
Native Material · class 3
- 7883.3 mi · Class 1 e-bike
Native Material · class 3
- Homestead2.9 mi · bike
Native Material · class 3
- Sandy Wash2.8 mi · bike
Native Material · class 3
- Alpine Tunnel2.8 mi · bike
Native Material · class 3
- Bodfish2.8 mi · bike
Native Material · class 3
- Beasway2.8 mi · bike
Native Material · class 3 · Mar–Dec
- 6622.7 mi · Class 1 e-bike
Native Material · class 3
- Bonnett Creek2.5 mi · Class 1 e-bike
Native Material · class 3
- Ringtail2.5 mi · bike
Native Material · class 3 · Jan–Mar, Jun–Dec
- Palmer2.2 mi · bike
Native Material · class 3
- 7372.2 mi · Class 1 e-bike
Native Material · class 4
- 7352.2 mi · Class 1 e-bike
Native Material · class 3
- Narrow Gauge2.1 mi · bike
Native Material · class 3
- 0434.A2 mi · Class 1 e-bike
Native Material · class 4
- Rhumba2 mi · bike
Native Material · class 3
- Ridge2 mi · Class 1 e-bike
Native Material · class 4
- Rift2 mi · bike
Native Material · class 3
- Sheep Mnt Interconnect1.9 mi · Class 1 e-bike
Native Material · class 3
- Cottonwood1.9 mi · bike
Native Material · class 3
- Rusty Buckle1.9 mi · bike
Native Material · class 3 · Jan–Feb, Jun–Dec
- Devils Advocate1.9 mi · Class 1 e-bike
Native Material · class 3
- Trout Creek Connection1.9 mi · Class 1 e-bike
Native Material · class 3
- Buno Gulch1.8 mi · bike
Native Material · class 3 · Jan–Mar, Jun–Dec
- Buffalo Burn1.7 mi · bike
Native Material · class 3
- Columbine Trail1.7 mi · bike
Native Material · class 2
- Raspberry Mountain1.6 mi · bike
Native Material · class 3
- Crooked Beaver1.6 mi · bike
Native Material · class 3
- Louie'S Loop1.6 mi · Class 1 e-bike
Native Material · class 3
- Pole Creek Spur1.5 mi · Class 1 e-bike
Native Material · class 1
- Hilltop1.4 mi · Class 1 e-bike
Native Material · class 4
- Drury Trail1.4 mi · Class 1 e-bike
Native Material · class 2
- Broken Swing Arm1.3 mi · Class 1 e-bike
Native Material · class 3
- Geneva Creek1.3 mi · bike
Native Material · class 3
- Mouache1.2 mi · bike
Native Material · class 3
- Fallen Tree1.1 mi · bike
Native Material · class 2
- Devils Head Spur1.1 mi · Class 1 e-bike
Native Material · class 3
- Cisneros To Nfsr 3521 mi · Class 1 e-bike
Native Material · class 1
- South Crooked Creek1 mi · bike
Native Material · class 3
- Fern0.9 mi · Class 1 e-bike
Native Material · class 3
- Point Of Rocks Ponds0.9 mi · bike
Native Material · class 4
- Monarch Ridge0.8 mi · Class 1 e-bike
Native Material · class 3
- Browns Pass0.8 mi · Class 1 e-bike
Native Material · class 3
- Spur B0.7 mi · Class 1 e-bike
Native Material · class 3
- Middle Spring Nature0.6 mi · bike
Imported Compacted Material · class 4
- Garber Cutoff0.6 mi · Class 1 e-bike
Native Material · class 3
- 04150.6 mi · Class 1 e-bike
Native Material · class 4
- Woodland Work Center0.6 mi · bike
Native Material · class 3
- Lightfoot Loop0.6 mi · Class 1 e-bike
Native Material · class 5
- Rainbow Access From 140.B0.5 mi · Class 1 e-bike
Native Material · class 1
- Overlook Cutoff0.5 mi · Class 1 e-bike
Native Material · class 3
Intermediate grade (29)
Moderate grade band.
- Greens Creek6.8 mi · bike + e-bike
Native Material · class 2 · Apr–Nov
- Hancock Lake/Cdnst6.5 mi · bike
Native Material · class 2
- Triad Ridge Single Track6.4 mi · Class 1 e-bike
Native Material · class 2
- Little Moab6.3 mi · Class 1 e-bike
Native Material · class 2
- Turquoise Lake6.1 mi · bike
Native Material · class 3
- Tunnel Lake/Cdnst5.4 mi · bike
Native Material · class 2
- Sheep Creek5.3 mi · bike
Native Material · class 1
- Triad Ridge Atv4.6 mi · Class 1 e-bike
Native Material · class 3
- Captain Jacks4.4 mi · Class 1 e-bike
Native Material · class 5
- Wheeler Lake3.6 mi · Class 1 e-bike
Native Material
- Pot O Gold3 mi · bike
Native Material · class 4 · Mar–Nov
- Gould Creek Trail2.7 mi · Class 1 e-bike
Native Material · class 2
- Lion Canyon2.5 mi · bike + e-bike
Native Material · class 2
- 04142.2 mi · Class 1 e-bike
Native Material · class 3
- Kirby Gulch2.2 mi · bike
Snow · class 2 · Jan–May, December
- Platte View1.9 mi · Class 1 e-bike
Native Material · class 3
- Buckhorn1.8 mi · bike
Native Material · class 3
- Williams Pass 4wd Trail1.7 mi · bike + e-bike
Native Material · class 2
- Crooked Creek1.7 mi · bike
Native Material · class 3
- Triad Ridge Atv East1.7 mi · Class 1 e-bike
Native Material · class 3
- Noname1.5 mi · Class 1 e-bike
Native Material · class 3
- Illinois Gulch Trail1.5 mi · Class 1 e-bike
Native Material · class 2
- Trash Trail1.1 mi · Class 1 e-bike
Native Material · class 2
- Quarry Trail1.1 mi · Class 1 e-bike
Native Material · class 2
- Mark Trail1.1 mi · Class 1 e-bike
Native Material · class 2
- Buno Connector0.9 mi · bike
Native Material · class 3 · Jan–Mar, Jun–Dec
- Buno/Kirby Connector0.9 mi · bike
Snow · class 2 · Jan–May, December
- Snowslide Access From Fsr 3710.9 mi · Class 1 e-bike
Native Material · class 2
- Overlook Trail0.8 mi · Class 1 e-bike
Native Material · class 2
Advanced grade (124)
Steep grade band.
- Colorado194 mi · bike
Native Material · class 3
- Rainbow99.9 mi · Class 1 e-bike
Native Material · class 3
- Brookside-Mccurdy32.5 mi · bike
Native Material · class 3
- Signal Butte Multi Use32.2 mi · Class 1 e-bike
Native Material · class 3
- Midland Bike Trail19.6 mi · bike
Native Material · class 3
- Indian13.6 mi · bike + e-bike
Native Material · class 3
- Long Hollow12.5 mi · Class 1 e-bike
Native Material · class 3
- Cisneros11.2 mi · Class 1 e-bike
Native Material · class 4
- South Park11.1 mi · bike
Native Material · class 2 · Jan–Mar, Jun–Dec
- Rampart Reservoir10.9 mi · bike
Native Material · class 3
- Rule Spur10.5 mi · Class 1 e-bike
Native Material · class 3
- Phantom Spur10.2 mi · Class 1 e-bike
Native Material · class 3
- St. Charles9.2 mi · bike + e-bike
Native Material · class 4
- South Apache7.5 mi · Class 1 e-bike
Native Material · class 2
- Threemile7.2 mi · bike
Native Material · class 3
- Noddle7.2 mi · Class 1 e-bike
Native Material · class 3
- Powerline7 mi · Class 1 e-bike
Native Material · class 3
- Pole Creek6.6 mi · bike + e-bike
Native Material · class 2
- Burning Bear6.5 mi · bike
Snow · class 3 · Jan–May, December
- Poplar Gulch6.3 mi · Class 1 e-bike
Native Material · class 3
- Monument6.2 mi · bike
Native Material · class 3
- Hay Creek East Trail6.2 mi · Class 1 e-bike
Native Material · class 2
- Stanley Rim6 mi · bike
Native Material · class 3
- Burning Bear5.9 mi · bike
Native Material · class 3 · Jan–Mar, Jun–Dec
- Vitamin B5.7 mi · bike
Native Material · class 3 · Apr–Nov
- Red Cone Trail5.6 mi · Class 1 e-bike
Native Material · class 2
- South Creek5.6 mi · Class 1 e-bike
Native Material · class 2
- Gashouse Gulch5.6 mi · bike
Native Material · class 3
- Snowslide5.5 mi · Class 1 e-bike
Native Material · class 2
- Waldo Canyon5.3 mi · bike
Native Material · class 3
- Horn Creek5.1 mi · Class 1 e-bike
Native Material · class 3
- Elk Park5 mi · bike
Native Material · class 3
- Squirrel Creek5 mi · bike + e-bike
Native Material · class 3
- Second Mace4.9 mi · bike + e-bike
Native Material · class 3
- Cabin Ridge4.8 mi · Class 1 e-bike
Native Material · class 3
- Sheep Mtn4.8 mi · Class 1 e-bike
Native Material · class 4
- Lewis Creek4.7 mi · Class 1 e-bike
Native Material · class 3
- Bear Mountain4.6 mi · Class 1 e-bike
Native Material · class 2
- Starvation Creek4.6 mi · bike
Native Material · class 2
- Dutch Fred4.5 mi · Class 1 e-bike
Native Material · class 3
- Lovell Gulch4.4 mi · bike
Native Material · class 3
- Silver Creek4.3 mi · bike
Native Material · class 2
- Scottys4.3 mi · Class 1 e-bike
Native Material · class 3
- Silver Circle4.2 mi · bike + e-bike
Native Material · class 3
- Longwater4.1 mi · bike
Native Material · class 2
- Little Cochetopa4 mi · bike
Native Material · class 1
- Horsethief Park4 mi · bike
Native Material · class 3
- Centennial3.9 mi · bike
Asphalt · class 5
- Miller Gulch3.8 mi · bike
Native Material · class 3
- Severy Creek3.7 mi · bike
Native Material · class 3
- Flatrock3.7 mi · Class 1 e-bike
Native Material · class 4
- West Creek Spur3.6 mi · Class 1 e-bike
Native Material · class 2
- Barr3.5 mi · Class 1 e-bike
Native Material · class 3
- Morrison Creek3.5 mi · bike
Native Material · class 3
- Grouse Trail3.4 mi · Class 1 e-bike
Native Material · class 2
- Pass Creek3.3 mi · Class 1 e-bike
Native Material · class 2
- Hankhos3.3 mi · Class 1 e-bike
Native Material · class 3
- Tomahawk3.2 mi · Class 1 e-bike
Native Material · class 3
- Foresters3.2 mi · Class 1 e-bike
Native Material · class 3
- Backdoor3.2 mi · bike
Native Material · class 3
- Baker Creek3.1 mi · Class 1 e-bike
Native Material · class 3
- Trout Creek3.1 mi · Class 1 e-bike
Native Material · class 3
- Davis Spur3 mi · Class 1 e-bike
Native Material · class 2
- Overlook3 mi · Class 1 e-bike
Native Material · class 3
- Gramps2.8 mi · Class 1 e-bike
Native Material · class 3
- Garber2.8 mi · Class 1 e-bike
Native Material · class 3
- Bull Park Trail2.7 mi · Class 1 e-bike
Native Material · class 2
- Limbaugh Canyon2.7 mi · bike
Native Material · class 3
- Pipeline2.6 mi · Class 1 e-bike
Native Material · class 3
- Buck Gulch2.6 mi · bike
Native Material · class 3
- Lower Rule Cr Spur Trail2.5 mi · Class 1 e-bike
Native Material · class 2
- The Crags2.4 mi · bike
Native Material · class 3
- Gibson Lake2.4 mi · bike
Native Material · class 3
- French Creek2.4 mi · bike
Native Material · class 3
- Middle Creek2.4 mi · Class 1 e-bike
Native Material · class 1
- Strawberry Jack2.4 mi · bike
Native Material · class 3
- Dome Rock2.3 mi · bike + e-bike
Native Material · class 2
- Eagle Rock Trail2.3 mi · Class 1 e-bike
Native Material · class 2
- San Carlos2.2 mi · Class 1 e-bike
Native Material · class 3
- Nelsons2.2 mi · Class 1 e-bike
Native Material · class 3
- Wyegye2.2 mi · Class 1 e-bike
Native Material · class 3
- Frosty Shortcut2.1 mi · Class 1 e-bike
Native Material · class 3
- Left Hand2.1 mi · Class 1 e-bike
Native Material · class 2
- Pancake Rocks2.1 mi · bike
Native Material · class 3
- Stanley Canyon2 mi · bike
Native Material · class 2
- Almgren1.7 mi · Class 1 e-bike
Native Material · class 4
- Upper Rule Cr Spur Trail1.7 mi · Class 1 e-bike
Native Material · class 2
- Gutz1.6 mi · bike
Native Material · class 3 · Apr–Nov
- Sohndee1.6 mi · Class 1 e-bike
Native Material · class 3
- Blue Moutain1.5 mi · bike
Native Material · class 3
- Hyster1.5 mi · bike
Native Material · class 2
- Rainbow Gulch1.4 mi · bike
Native Material · class 3
- Mount Ester1.4 mi · bike
Native Material · class 3
- Skipper1.4 mi · bike
Native Material · class 3
- Monument Spur1.4 mi · bike
Native Material · class 3
- Charlie'S Cutoff1.4 mi · bike
Native Material · class 3
- Hell Creek Spur Trail1.3 mi · Class 1 e-bike
Native Material · class 2
- Shortcut1.3 mi · Class 1 e-bike
Native Material · class 3
- Mule Creek North1.3 mi · bike
Native Material · class 2
- Indian Cave1.2 mi · bike
Native Material · class 3
- Boss Lake/Cdnst1.2 mi · bike
Native Material · class 2
- Fremont Experimental Forest1.2 mi · bike
Native Material · class 3
- Penrose1.2 mi · Class 1 e-bike
Native Material · class 3
- Arrowhead1.2 mi · Class 1 e-bike
Native Material · class 3
- Mt. View1.2 mi · bike
Native Material · class 2
- Rupp Gulch Trail1.1 mi · Class 1 e-bike
Native Material · class 2
- Hunt Lake/Cdnst1.1 mi · bike
Native Material · class 2
- Raspberry Ridge1.1 mi · bike
Native Material · class 3
- Schubarth Spur1 mi · bike
Native Material · class 2
- Roi Tan1 mi · Class 1 e-bike
Native Material · class 3
- Wachob1 mi · Class 1 e-bike
Native Material · class 3
- Nate Stultz1 mi · bike
Native Material · class 2
- I-A Fitness1 mi · bike
Native Material · class 3
- Beaver1 mi · Class 1 e-bike
Native Material · class 3
- Willis Gulch Cutoff1 mi · bike
Native Material · class 3
- Second Mace Spur1 mi · bike + e-bike
Native Material · class 3
- Pomeroy Lakes0.9 mi · Class 1 e-bike
Native Material · class 3
- W. Monument Creek0.8 mi · bike
Native Material · class 3
- Mt. Rosa0.8 mi · bike
Native Material · class 3
- Colorado Cg0.7 mi · bike
Native Material · class 3
- Xc South0.6 mi · bike
Native Material · class 3
- Nichols Reservoir0.6 mi · bike
Native Material · class 3
- Coupler0.6 mi · bike + e-bike
Native Material · class 2
- Wildhorn Spur0.5 mi · Class 1 e-bike
Native Material · class 2
Expert grade (5)
Steepest grade band.
- Soldier Mtn Trail1.7 mi · Class 1 e-bike
Native Material · class 2
- Blackjack1.4 mi · bike
Native Material · class 2
- Bighorn1 mi · Class 1 e-bike
Native Material · class 2
- Fish Camp0.9 mi · Class 1 e-bike
Native Material · class 2
- Saran Wrap Trail0.9 mi · Class 1 e-bike
Native Material · class 2
Grade not recorded (10)
No grade band recorded in the USFS data.
- South Halfmoon 4wd Trail4.7 mi · Class 1 e-bike
Unknown
- Breakneck Pass Trail3.4 mi · Class 1 e-bike
Unknown
- Browns Pass Trail3.4 mi · Class 1 e-bike
Unknown
- Bald Mtn Spur Trail2.4 mi · Class 1 e-bike
Unknown
- Arnold Gulch Trail2.2 mi · Class 1 e-bike
Unknown
- Hi Creek Trail1.7 mi · Class 1 e-bike
Unknown
- Twelvemile Lake1.5 mi · Class 1 e-bike
Native Material
- 8061 mi · Class 1 e-bike
Unknown
- Todd'S Track Trail0.9 mi · bike
Unknown
- Halfmoon Trail0.9 mi · Class 1 e-bike
Unknown
Pike and San Isabel National Forests bike-legal trail list (CSV)
Download all 244 bike- and Class 1 e-bike-designated trails in Pike and San Isabel National Forests — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.
E-bikes in Pike and San Isabel National Forests
Class 1 on 182 segments · Class 2 on 182 · Class 3 on 182. See full e-bike rules for Pike and San Isabel National Forests →
Where it is
Approximate center of Pike and San Isabel National Forests. USFS trail geometry isn't mapped here — use the ranger district for trailheads.
Frequently asked questions
- What is the bike access grade for Pike and San Isabel National Forests?
- Pike and San Isabel National Forests earns a Bike Access Grade of B: 51% 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 Pike and San Isabel National Forests?
- Pike and San Isabel National Forests has about 618 mi of bike-designated trail across 136 segments, out of 2,360 mi of total National Forest System trail.
- What is the riding season in Pike and San Isabel National Forests?
- Most bike-designated trails in Pike and San Isabel National Forests carry a Year-round season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Pike and San Isabel National Forests?
- Only where designated. Class 1 e-bikes are recorded on 182 segments. See the e-bike rules page for the class-by-class breakdown.
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