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  • Trail Style 
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  • Activity Type  
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • 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
ATV/ORV/OHV Filter
Max Vehicle Width
inches

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
  • Ideal
  • 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
      • 11
      • 3
      • 37
      • 20
      • 14
      • 4

      Activities
      Region Status
      Open as of 2 days
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      209
      Trails Mountain Bike
      91
      Trails E-Bike
      6
      Trails Hike
      206
      Trails Trail Running
      206
      Trails Horse
      55
      Total Distance
      205 miles
      Total Descent
      39,267 ft
      Total Vertical
      3,410 ft
      Highest Trailhead
      8,476 ft
      Reports
      2,612
      Photos
      330
      Ridden Counter
      23,407
      Sub Regions

      Photos of Boulder Mountain Bike

      29 |
      Mar 9, 2019 @ 7:53am
      Mar 9, 2019
      105 |
      Mar 9, 2019 @ 7:47am
      Mar 9, 2019
      204 |
      Mar 9, 2019 @ 7:37am
      Mar 9, 2019
      trail: Canyon Loop
      237 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

      Videos of Boulder Mountain Bike

      Hot-Lap
      trail: Hot Lap
      4:02 | 48 | Jun 3, 2020
      Friday Fail May 2020
      0:17 | 172 | May 8, 2020
      Friday Fail May 2020
      | May 8, 2020
      Friday Fails Submission
      0:06 | 433 | Mar 16, 2020

      Recent Trail Reports

      statustraildateconditionuserinfo
      Canyon Loop
      Aug 6, 2020 @ 4:52am
      Aug 6, 2020
      		 Idealemilyg28
      Loop Link
      Aug 6, 2020 @ 4:52am
      Aug 6, 2020
      		 Idealemilyg28
      Benjamin Loop
      Aug 6, 2020 @ 4:52am
      Aug 6, 2020
      		 Idealemilyg28
      Doudy Draw
      Aug 5, 2020 @ 6:30pm
      Aug 5, 2020
      		 Variableprovin1327Some mud in spots but just dry enough to...
      Springbrook North
      Aug 5, 2020 @ 6:30pm
      Aug 5, 2020
      		 Variableprovin1327Some puddles and mud but just dry enough
      Springbrook South
      Aug 5, 2020 @ 6:30pm
      Aug 5, 2020
      		 Variableprovin1327Some puddles and mud but just dry enough
      Springbrook Connector
      Aug 5, 2020 @ 6:30pm
      Aug 5, 2020
      		 Variableprovin1327Some puddles and mud but just dry enough
      Saddle East
      Aug 2, 2020 @ 12:23pm
      Aug 2, 2020
      		 DrygeomorphdanLoose and dusty - go right at the split...
      Springbrook North Rd
      Aug 2, 2020 @ 6:11am
      Aug 2, 2020
      		 DrypryhodaHike
      Left Hand
      Jul 30, 2020 @ 8:48am
      Jul 30, 2020
      		 DryTomis916

      Activity Feed

      usernameactiontypetitledate
      user #1666032Johns0504wishlisttrailEast Boulder (South)
      Aug 13, 2020 @ 6:39am
      10 hours
      user #1666032Johns0504wishlisttrailSage
      Aug 13, 2020 @ 6:38am
      10 hours
      user #2131704beaulebenswishlisttrailWalker Ranch Loop
      Aug 12, 2020 @ 9:05pm
      19 hours
      user #2252924SnakejortsvotetrailHigh Plains
      Aug 11, 2020 @ 4:16pm
      2 days
      user #2252924SnakejortsriddentrailHigh Plains
      Aug 11, 2020 @ 4:16pm
      2 days

      Recent Comments

      usernametypetitlecommentdate
      user #1421706Pcueto3trailWalker Ranch LoopIt’s simple... Clockwise: More fun...
      Jul 14, 2020 @ 9:03am
      Jul 14, 2020
      user #2034814DanTBeartrailThe GladesGreat trail to get your feet under you and...
      Jul 4, 2020 @ 10:26am
      Jul 4, 2020
      user #1261865provin1327trailSaddle EastThis trail was totally destroyed by rains last...
      Jun 4, 2020 @ 7:29pm
      Jun 4, 2020
      user #1261865provin1327trailBon ScottThis trail was fun a few years ago but now,...
      Jun 4, 2020 @ 7:28pm
      Jun 4, 2020
      user #2178477stefpreztrailCoaltonVery straight trail that isn't the most...
      May 31, 2020 @ 8:22am
      May 31, 2020

      Local Badges

      Bike & Skill Parks

      nametypecityrating
      Valmont Bike Parkskill parkBoulder

      Local Mountain Biking Directory

      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.
      Sep 21, 2014
      Chronicles of Colorado II Chronicles of Colorado II
      La segunda etapa en Colorado comenzó, este inicio fue marcado por la finalización de IMBA World Summit.
      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
      • #4922 - 10,027 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Boulder.
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