more stats
1,797 ft
Distance
115 ft
Climb
-61 ft
Descent
00:03:35
Avg time
54 ft
Altitude change
129 ft
Altitude min
233 ft
Altitude max
178 ft
Altitude start
233 ft
Altitude end
3.031%
Grade
-21.274%
Grade max
47.814%
Grade min
937 ft
Distance climb
768 ft
Distance down
92 ft
Distance flat
00:03:35
Avg time

Devil's Backbone Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Rockville Hills Regional Park
    Fairfield, California
  • Difficulty Rating
  • Local Popularity
    90 in Mountain Biking [+]
    • 100 in Trail Running
    • 90 in Hiking
  • Global Ranking
    #65093 in Mountain Biking [+]
    • #69 in Trail Running
    • #42653 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    XC
  • Direction
    Both Directions
    Popular In Reverse
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes

No community description for Devil's Backbone trail has been added yet!

AI Generated Description

Devil's Backbone is a 1,797 ft popular blue difficulty singletrack trail located near Fairfield California. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 115 ft black diamond climb. On average it takes 3 minutes to complete this trail.

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 9 miles average
6 Months
  • 40 rides
  • 6 miles avg distance
All
  • 551 rides
  • Last: Aug 9, 2026
c1c2c3c4
January
February
March
April
May
June
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Status:
on Jun 7, 2026
Dry
Avg: 3.81 (5 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
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  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
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  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to devil-s-backbone-60939 trailhead (38.248070, -122.133530)

        Photos

        No photos have been added for Devil's Backbone yet, add a photo.

        Videos

        1 more »
        Mountain Biking Rockville, CA
        mtb
        669 | May 27, 2017 , Fairfield

        Routes with this trail

        4.0 10 miles 1,488 ft 25 Loop
        Moderate Route that hits some of the easier single black trails at
        3.5 7 miles 1,354 ft 41 Point to Point
        Tour of some of the chunky black and double back descents in Rockville
        3 miles 390 ft 7
        A mini loop to see my favorite areas of . Somewhat elevation friendly running.

        Reviews / Comments

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        • By bkxcTF Pro Everstoke & contributors
        • #60939 - 2,306 views

        Frequently Asked Questions About Devil's Backbone

        Where is Devil's Backbone located?
        Devil's Backbone is located in Rockville Hills Regional Park, Fairfield, California, United States. It is part of the Rockville Hills Regional Park trail network. The trailhead is located at coordinates 38.24807, -122.13353.
        How hard is Devil's Backbone?
        Devil's Backbone is rated as Blue difficulty. The physical rating is Moderate. The average grade is 3.031%. The climb difficulty is rated Black Diamond.
        What is the elevation gain for Devil's Backbone?
        Devil's Backbone has 115 ft of elevation gain. The trail has 61 ft of elevation descent. The elevation ranges from 129 ft to 233 ft.
        Is Devil's Backbone a point to point trail?
        Devil's Backbone is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        How long is Devil's Backbone?
        Devil's Backbone is 1,797 ft long. The trail type is singletrack.
        Are dogs allowed on Devil's Backbone?
        Yes, dogs are allowed on Devil's Backbone. Please keep dogs on a leash where required and clean up after them.
        When is the best time of year to ride Devil's Backbone?
        Based on activity log data, the most popular months to ride Devil's Backbone are:
        • February (111 activities)
        • January (56 activities)
        • November (44 activities)
        Check the reports page for current trail conditions.
        How do I access Devil's Backbone? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Devil's Backbone are: View all parking locations in the area.
        How long does it take to ride Devil's Backbone?
        Based on recorded activities, it takes an average of 4 minutes to ride Devil's Backbone. The trail is 1,797 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        How busy is Devil's Backbone?
        Devil's Backbone is a very popular trail. There have been 3,995 recorded activities on this trail. The trail has received 5,042 check-ins. View recent activity on this trail.

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