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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Trail 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%
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
ContributeDetails
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

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Boulder has been added yet! Login or register to submit one.
      Region Details
      • 6
      • 2
      • 37
      • 19
      • 13
      • 3

      Region Status
      Open as of 1 days ago

      Stats

      Avg Trail Rating
      Global Ranking
      #111
      State Ranking
      #7
      Trails (view details)
      196
      Trails Mountain Bike
      80
      Trails E-Bike
      4
      Trails Hike
      192
      Trails Trail Running
      192
      Trails Horse
      50
      Total Distance
      199 miles
      Total Descent
      38,730 ft
      Total Vertical
      3,410 ft
      Highest Trailhead
      8,476 ft
      Reports
      1,594
      Photos
      286
      Ridden Counter
      14,736
      Sub Regions

      Photos of Boulder Mountain Bike

      16 |
      Mar 9, 2019 @ 7:53am
      Mar 9, 2019
      53 |
      Mar 9, 2019 @ 7:47am
      Mar 9, 2019
      94 |
      Mar 9, 2019 @ 7:37am
      Mar 9, 2019
      trail: Canyon Loop
      165 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

      Videos of Boulder Mountain Bike

      Canyon Loop // Betasso Preserve
      3:45 | 40 | Apr 12, 2019
      Bobcat Ridge 10-28-18 Hidden Valley Spur #6
      5:40 | 24 | Nov 19, 2018
      Bobcat Ridge 10-28-18 Hidden Valley Spur #5
      1:45 | 7 | Nov 19, 2018
      Bobcat Ridge 10-28-18  #4 Hidden Valley Spur.
      2:16 | 10 | Nov 19, 2018

      Current Trail Warnings

      statustraildateconditionuserinfo
      Saddle East (842)
      Oct 13, 2019 @ 1:07pm
      Oct 13, 2019
      Dryspeigei
      Boulder Canyon Trail
      Sep 23, 2019 @ 8:40am
      Sep 23, 2019
      UnknownWendyBMA BMBA Closed on September 23, 2019 - end of...

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1071408jasonferrieraddreportShanahan Connector and 8 more
      Oct 21, 2019 @ 12:57pm
      7 hours
      user #1864310bocomtbvotetrailWalker Ranch Loop
      Oct 18, 2019 @ 3:58pm
      Oct 18, 2019
      user #1864310bocomtbcommenttrailBetasso Link
      Oct 18, 2019 @ 3:57pm
      Oct 18, 2019
      user #1438532scottcodyphotoaddphotoWestley Cody at High Plains in Boulder, Colorado, United States
      Oct 17, 2019 @ 6:30pm
      Oct 17, 2019
      user #1438532scottcodyphotoaddphotoWestley Cody at Betasso Link in Boulder, Colorado, United States
      Oct 17, 2019 @ 6:30pm
      Oct 17, 2019

      Recent Comments

      usernametypetitlecommentdate
      user #1864310bocomtbtrailBetasso LinkSteep, kinda loose, well armored. Southern...
      Oct 18, 2019 @ 3:57pm
      Oct 18, 2019
      user #1114430NopedRightOuttrailBon Scott (845)Ain’t no one trying to climb this shit!
      Sep 19, 2019 @ 7:31pm
      Sep 19, 2019
      user #731469GrunktrailBon Scott (845)Keep Lefthand rad. DH only. Don't climb it.
      Sep 16, 2019 @ 3:48pm
      Sep 16, 2019
      user #1864310bocomtbtrailBenjamin LoopCW: Fast and fun. Worth 2 laps. CCW: No flow...
      Aug 21, 2019 @ 1:03pm
      Aug 21, 2019
      user #731469GrunktrailLeft Hand AccessBest used as a descent. Pedal the road to...
      Aug 15, 2019 @ 8:37pm
      Aug 15, 2019

      Local Badges

      Bike & Skill Parks

      nametypecityrating
      Valmont Bike Parkskill parkBoulder
      view all skill parks »

      Pinkbike Articles

      Jul 31, 2019
      Industry Veteran Andrew Bernstein Critically Injured in Boulder Hit and Run - Updated 7/31 Industry Veteran Andrew Bernstein Critically Injured in Boulder Hit and Run - Updated 7/31
      There's a search underway for the vehicle that hit him and authorities now have photos of the van they believe was involved.
      Feb 5, 2019
      Niner Announces All-New RIP 9 RDO Niner Announces All-New RIP 9 RDO
      Niner has a new RIP 9 RDO... and it's available with 27.5" wheels. Go figure.
      Feb 10, 2014
      Dartmoor Returns to North America Dartmoor Returns to North America
      Polish brand Dartmoor will now be available through Hooray Bikes in North America.
      • By canadaka Trailforks Plus & contributors
      • Admins: BMBA, darmabum, getvert, Pumpntrail, BoulderRec
      • #4922 - 7,233 views

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