San Rafael Swell
Central Utah - Emery County
Home to the infamous Five Miles of Hell and the Color trail system. Expert-only terrain with extreme technical challenges.
Trail Overview

The Ultimate Hard Enduro Playground
The San Rafael Swell is not for the faint of heart. This is where Utah riders come to test their limits on some of the most challenging terrain in North America. If you’re not an expert rider, this isn’t your playground - yet.
Why the Swell is Legendary
This ancient reef has created a maze of canyons, fins, and ledges that form natural hard enduro obstacles. The famous Five Miles of Hell (actually closer to 8 miles) has humbled even world-class riders. This is raw, unforgiving terrain that demands respect.
Trail Highlights
Five Miles of Hell (Expert Only)
Let’s be clear: this trail has earned its name. Features include:
- Massive ledge drops and climbs
- Deep sand washes between slickrock sections
- Off-camber rock faces with exposure
- Technical slots barely wider than handlebars
- Zero bail-out options once committed
Most riders take 3-4 hours to complete. Many don’t complete it at all.
Color Trail System (Advanced)
Named trails (Red, Blue, Orange) offer varying difficulty:
- Blue Trail: “Easiest” of the set (still advanced)
- Red Trail: Technical rock gardens and ledges
- Orange Trail: Combines the worst of both
Temple Mountain Area (Intermediate to Advanced)
More accessible terrain around the old uranium mining area:
- Historic mining roads
- Technical wash crossings
- Stunning geology
- Actual trail markers (rare in the Swell)
Essential Preparation
Mandatory Gear:
- GPS with downloaded maps (phone won’t work)
- Satellite communicator (seriously)
- 3+ liters of water minimum
- Tools and spare parts
- First aid kit
- Emergency shelter
Bike Setup:
- Fresh tires with strong sidewalls
- Moose bibs or heavy-duty tubes
- Radiator fan for slow sections
- Handguards that won’t break
- Skid plate (the thickest available)
Local Knowledge
Best Riding Months:
- Spring (March-May): Ideal temperatures
- Fall (September-November): Perfect conditions
- Summer: Brutally hot, start before dawn
- Winter: Possible but check for snow
Where to Stage:
- Temple Mountain Road: Most popular
- Buckhorn Wash: Northern access
- Hidden Splendor: Southern approach
Navigation Tips:
- Download offline maps before leaving town
- Waypoint your vehicle
- Follow existing tracks
- Paint marks indicate the trail (sometimes)
- When in doubt, turn back
The Reality Check
This isn’t Instagram hard enduro - this is the real deal:
- You will crash
- You will get stuck
- You might not finish
- Your bike will take damage
- You’ll question your life choices
But you’ll also experience some of the most incredible riding on the planet.
Recovery Services
Because someone needs to say it:
- No cell service means no easy rescue
- Helicopter extraction: $15,000+
- Nearest hospital: 90+ minutes
- Search and rescue: Hours away
Why We Love It
Despite the warnings, the Swell delivers:
- Unmatched technical challenges
- Stunning desert scenery
- True adventure riding
- Stories that last forever
- Skills that transfer everywhere
Final Words
The San Rafael Swell doesn’t care about your ego. It’s been humbling riders since before suspension had more than 4 inches of travel. Come prepared, ride within your limits, and always remember: there’s no shame in turning back. The desert will be here tomorrow.
Quick Facts
- Difficulty
- Advanced to Expert
- Trail Length
- 100+ miles of single track
- Elevation
- 5,000 - 7,500 feet
- Best Season
- March through November
Trail Downloads
Access Information
Primary access via I-70 Exit 131 (Temple Mountain Road). High clearance vehicle recommended for most trailheads. Primitive camping available throughout BLM land.
Get Directions to TrailheadTrailhead Location
Safety & Riding Tips
- Cell service is non-existent - use satellite communicator
- Carry 2x water you think you need - no water sources
- Never ride alone - extraction is extremely difficult
- GPS is mandatory - trails are poorly marked
- Check weather - flash floods are deadly in slot canyons