close
3D
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)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 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
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs 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 rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
Activity Recordings
Trailforks uses anonymized public activity data. ?
Activity Recordings
Trailforks uses anonymized public activity data. ?
Personal Heatmap
Activity Types
all / none
Options
2
Date range month
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

map legend
Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with no bike usage.
Enable
Suggested Layers
Based on selected activity type

    Save the current map location and zoom level as your default home location whenever this page is loaded.

    Save
        No description for Boulder has been added yet! Login or register to submit one.
        Activities Click to view
        Region Details
        • 51
        • 26
        • 49
        • 40
        • 41
        • 19
        • 3

        Region Status
        Open as of Jul 2, 2026
        Local Trail Association

        E-Bike Stats

        Global Ranking
        #1,047
        State Ranking
        #807
        Trails (view details)
        106
        Trails Mountain Bike
        244
        Trails E-Bike
        106
        Trails Gravel Bike
        1
        Trails Horse
        123
        Trails Hike
        380
        Trails Trail Running
        380
        Trails Dirtbike/Moto
        2
        Trails Observed Trials
        2
        Trails ATV/ORV/OHV
        2
        Trails Snowshoe
        1
        Total Distance
        97 miles
        Total Descent Distance
        41 miles
        Total Descent
        4,941 ft
        Total Vertical
        3,123 ft
        Reports
        7,191
        Ridden Counter
        3,190

        Articles

        More Than Miles: Here’s How to Plan the Perfect Runcation
        Aug 1, 2025 from outsideonline.com
        Running trips—from Utah's desert to Patagonia's peaks—offer the most thrilling (and humbling) adventures this writer's ever experienced.
        An Insider’s Guide to the Best Hikes in Boulder, Colorado
        Feb 26, 2024 from outsideonline.com
        After 25 years of hiking in his hometown of Boulder, guidebook author James Dziezynski reveals his all-time favorite treks in the area. Plus,...
        Sub Regions

        Popular Boulder E-Biking Trails

        90 3.2 2 miles 90 ft 33
        Mayhoffer Singltree is another connector piece of the Dirty Bismark loop. It was one of the final sections opened. The trail has a very nice easy grade and no rocks at all! It's fantastic for beginners and young 'uns.
        80 3.0 2 miles 335 ft 28
        The begins at the mouth of and is a 6' wide paved path for the first 1/2 mile. The trail then goes through an underpass under Drive and switched to crushed gravel. Running along , this is a very scenic and accessible trail just outside...
        90 3.0 3,990 ft 12 ft 25
        A short section of mostly smooth singletrack connecting Community Ditch and .
        75 3.6 3 miles 223 ft 22
        Groomed gravel path.
        85 3.3 3 miles 202 ft 18
        Nice singletrack, not all buff, with some rocks and climbs and downhill. Several recent reroutes have really improved the trail
        85 4.0 3 miles 984 ft 18
        is a fire road on the backside of mountain. While closed to vehicles, it is maintained for emergency crews and is generally smooth making it a favorite for roadies, grodies and mountain bikers riding to Walker Ranch who would rather...
        80 2.8 433 ft 3 ft 17
        Popular green difficulty singletrack. This mountain bike primary trail can be used downhill only. On average it takes minutes to complete this trail.
        90 3.5 614 ft 17 ft 17
        Popular blue difficulty singletrack. This mountain bike primary trail can be used uphill only. On average it takes 1 minutes to complete this trail.

        Recent Ride Log Activity in Region

        Today
        • 5 rides
        Yesterday
        • 5 rides
        Past Week
        • 38 rides

        Boulder Routes

        3 miles 225 ft 2 Loop
        Opened on November 22, 2024 the - loop is a 3-mile beginner friendly flow trail sure to put a smile on...
        5.0 18 miles 1,150 ft 12 Loop
        A mellow loop that hits the two best intermediate descents near Superior from the optimal...

        Photos of Boulder

        13 |
        Jun 28, 2026 @ 6:20pm
        Jun 28, 2026
        8 |
        Jun 28, 2026 @ 6:20pm
        Jun 28, 2026
        8 |
        Jun 28, 2026 @ 6:20pm
        Jun 28, 2026
        11 |
        Jun 28, 2026 @ 6:20pm
        Jun 28, 2026
        12 |
        Jun 26, 2026 @ 2:39pm
        Jun 26, 2026
        20 |
        Jun 23, 2026 @ 12:30pm
        Jun 23, 2026
        23 |
        Jun 21, 2026 @ 2:27pm
        Jun 21, 2026
        473 |
        Mar 9, 2019 @ 7:47am
        Mar 9, 2019
        1,101 |
        Mar 9, 2019 @ 7:37am
        Mar 9, 2019
        909 |
        Apr 13, 2018 @ 7:40am
        Apr 13, 2018
        557 |
        Apr 13, 2018 @ 7:40am
        Apr 13, 2018
        728 |
        Jun 6, 2017 @ 1:31pm
        Jun 6, 2017

        Videos of Boulder

        Fat tuck no
        0:09 | 23 | Jan 10, 2026
        TA - 1.0
        trail: Deadass
        0:24 | 85 | Jan 12, 2024
        David Lee Roth trail
        0:08 | 333 | Nov 8, 2023
        Valmont Slopestyle jump line
        0:23 | 58 | Nov 8, 2023
        Valmont Slopestyle
        0:24 | 46 | Nov 8, 2023
        0:15 | | Nov 8, 2023
        STEEZL - a 155mm Steel Enduro Race Weapon
        0:29 | | Mar 4, 2023
        STEEZL - a 155mm Steel Enduro Race Weapon
        0:29 | | Mar 3, 2023

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        Nicblair666wishlisttrailactivity #98762799
        Jul 8, 2026 @ 9:25pm
        3 hours
        tshralperaddreportactivity #98334355 and 8 more
        Jul 3, 2026 @ 7:42am
        Jul 3, 2026
        Kravibikesaddreportactivity #98241645 and 5 more
        Jul 1, 2026 @ 7:05pm
        Jul 1, 2026
        Nicblair666wishlisttrailactivity #98178330
        Jun 30, 2026 @ 9:29pm
        Jun 30, 2026
        TimIl23DWaddreportactivity #98122744 and 2 more
        Jun 30, 2026 @ 5:35am
        Jun 30, 2026

        Recent Comments

        usernametypetitlecommentdate
        ronahuetrailFlying SquirrelNot sure what this used to be like, but now...
        Jun 13, 2026 @ 3:08pm
        Jun 13, 2026
        Dshaver31reportMarshall ValleyMarshall mesa and Dowdy all dry and running great
        Apr 19, 2026 @ 10:05am
        Apr 19, 2026
        Carlo5btlr7reportRange ViewI
        Mar 25, 2026 @ 4:26pm
        Mar 25, 2026
        Chris1NUpYetrailRattlesnake GulchThis trail looks easy at the start but quickly...
        Aug 3, 2025 @ 12:52pm
        Aug 3, 2025
        jeffspc88mxreportBoulder Canyon TrailNOTE: Trailhead at Chapman Dr. is closed....
        Jul 12, 2025 @ 3:13pm
        Jul 12, 2025

        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike240171 miles23,806 ft75 miles3,123 ft
        #88#3346411,20634143,426
        E-Bike10697 miles4,941 ft41 miles3,123 ft
        #1,047#8077,19124,663
        Gravel Bike1
        #275#8756061,941
        Horse12396 miles13,688 ft44 miles2,979 ft
        #259#4431,638177
        Hike371270 miles47,106 ft118 miles3,409 ft
        #105#601149,8133621,520
        Trail Running380270 miles47,106 ft118 miles3,409 ft
        #163#7029,8133224,613
        Dirtbike/Moto27 miles1,260 ft5 miles791 ft
        1,257123
        Observed Trials27 miles1,260 ft5 miles791 ft
        334
        ATV/ORV/OHV27 miles1,260 ft5 miles791 ft
        1,2571
        Snowshoe1899 ft43 ft
        31725

        Frequently Asked Questions About Boulder

        What are the best places to ride in Boulder?
        What are the highest rated e-biking trails in Boulder?
        The highest rated e-biking trails in Boulder are: View all e-biking trails sorted by rating.
        What is the best time of the year to ride in Boulder?
        Based on ride log data, the most popular months to ride in Boulder are:
        • July (13 activities)
        • August (10 activities)
        • September (9 activities)
        Check the Boulder reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Boulder?
        There are 64 parking locations listed in Boulder. The most popular parking spots are: View all parking and trailhead locations on the map to plan your visit.
        • By canadakaTF Pro Trailforks & contributors
        • Admins: BMA, IMBA, WendyBMA, BMA, mattoid, amrosen, getvert, mpopetz, Pumpntrail, andrewbikeboulder
        • #4922 - 41,098 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Boulder.
        You must login to download files.