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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

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
      • 2
      • 38
      • 19
      • 13
      • 3

      Region Status
      Caution as of 20 hours

      Horse Stats

      Trails (view details)
      52
      Trails Mountain Bike
      86
      Trails E-Bike
      4
      Trails Hike
      197
      Trails Trail Running
      197
      Trails Horse
      52
      Total Distance
      42 miles
      Total Descent Distance
      22 miles
      Total Descent
      11,312 ft
      Total Vertical
      2,808 ft
      Reports
      1,276
      Sub Regions

      Photos of Boulder

      19 |
      Mar 9, 2019 @ 7:53am
      Mar 9, 2019
      59 |
      Mar 9, 2019 @ 7:47am
      Mar 9, 2019
      101 |
      Mar 9, 2019 @ 7:37am
      Mar 9, 2019
      trail: Canyon Loop
      170 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018

      Videos of Boulder

      Canyon Loop // Betasso Preserve
      3:45 | 41 | 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
      Flatirons Vista Rd
      Dec 6, 2019 @ 8:44am
      2 days
      Prevalent MudWendyBMA BMBAMountain Bike Trail Closed for Muddy Conditions
      Flatirons Vista South
      Dec 6, 2019 @ 8:44am
      2 days
      Prevalent MudWendyBMA BMBAMountain Bike Trail Closed for Muddy Conditions

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1764337ktourianaddreportWalker Ranch Loop and 1 more
      Nov 24, 2019 @ 10:59am
      Nov 24, 2019
      user #596574bkrmtnaddkarmaLefthand OHV
      Oct 26, 2019 @ 9:12pm
      Oct 26, 2019
      user #1954499Richmurray123addreport
      Oct 13, 2019 @ 9:42am
      Oct 13, 2019
      user #1892974t0k080addkarmaMarshall Mesa/Doudy Draw/Flatirons Vista and 1 more
      Sep 25, 2019 @ 8:19pm
      Sep 25, 2019
      user #1793806foraysaddkarmaBetasso Preserve
      Sep 11, 2019 @ 10:14am
      Sep 11, 2019

      Recent Comments

      usernametypetitlecommentdate
      user #405860darkcloudreportWalker Ranch Loop3-4 inches of awesome! No ice. 0-1/2” in...
      Nov 7, 2017 @ 1:25pm
      Nov 7, 2017
      user #1336712narawonreportHigh PlainsNice view and easy ride
      Jun 6, 2017 @ 1:21pm
      Jun 6, 2017
      • By canadaka Trailforks Plus & contributors
      • Admins: BMBA, darmabum, getvert, Pumpntrail, BoulderRec
      • #4922 - 7,529 views

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