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Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
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 or Major Issue / Red

  • 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 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
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Other Other
      No description for Boulder County has been added yet! Login or register to submit one.
      Region Details
      • 28
      • 6
      • 50
      • 51
      • 34
      • 6

      Local Trail Association
      local trail association
      BMA       (bouldermountainbike.org)
      local trail association
      NATO (nederlandareatrails.org)

      Stats

      Avg Trail Rating
      Trails
      175
      Total Distance
      277 miles
      Total Descent Distance
      120 miles
      Total Descent
      38,689 ft
      Highest Trailhead
      10,604 ft
      Total Vertical
      5,598 ft
      Reports
      601
      Photos
      274
      Ridden Counter
      6,195

      Photos of Boulder County Mountain Bike

      3 |
      May 17, 2018 @ 2:16pm
      May 17, 2018
      Wild Turkey Loop, Boulder
      3 |
      May 17, 2018 @ 2:16pm
      May 17, 2018
      Wild Turkey Loop, Boulder
      trail: Overland Loop
      6 |
      May 17, 2018 @ 2:15pm
      May 17, 2018
      Overland Loop, Boulder
      trail: Canyon Loop
      26 |
      Apr 13, 2018 @ 7:40am
      Apr 13, 2018
      Canyon Loop, Boulder
      more photos »

      Videos of Boulder County Mountain Bike

      Caribou Tour, nederland, no music
      2:33 | 10 | Feb 14, 2018
      Caribou Tour, nederland
      2:35 | 7 | Feb 14, 2018
      Santa Shreds
      trail: Betasso
      1:40 | 532 | Dec 21, 2017
      Hall Ranch dawn session
      1:00 | 119 | Jan 11, 2017
      more videos »

      Boulder County Mountain Bike Routes

      titleratingdistance
      Dirty Bismark
      		15 miles
      South Saint Vrain - Figure 8
      		16 miles
      WestMag505SherwoodMudLake
      		20 miles
      Heil Ranch, frontside
      		8 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1436118EthanrmtbtrailDual SlalomShould be rated blue
      Jun 16, 2018 @ 12:50pm
      Jun 16, 2018
      user #1032647sollietrailAspen Alley (Nederland)Yeah, skidding down the fall line ten times...
      Jun 5, 2018 @ 12:36pm
      Jun 5, 2018
      user #1261865provin1327trailAspen Alley (Nederland)Subpar-shredder's response to the trail...
      Jun 3, 2018 @ 5:33pm
      Jun 3, 2018
      user #1261865provin1327trailBenjamin LoopThis is a clockwise only trail
      Apr 15, 2018 @ 7:40pm
      Apr 15, 2018
      user #1150506Subpar-shreddertrailAspen Alley (Nederland)New Description is much better.
      Apr 13, 2018 @ 1:03pm
      Apr 13, 2018
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1544761conpannaaddridelogJun 17, 2018 ride log
      Jun 20, 2018 @ 9:05pm
      3 hours
      user #1436118EthanrmtbriddentrailWapiti and 2 more
      Jun 20, 2018 @ 9:00pm
      3 hours
      user #1436118EthanrmtbaddridelogJun 20, 2018 ride log
      Jun 20, 2018 @ 8:53pm
      3 hours
      user #999403Mountaincurls1addridelogJun 20, 2018 ride log
      Jun 20, 2018 @ 7:53pm
      4 hours
      user #1413012JessilucieaddridelogJun 19, 2018 ride log and 2 more
      Jun 20, 2018 @ 7:47pm
      4 hours
      view more »

      Bike & Skill Parks

      nametypecityrating
      Lyons Bike Parkskill parkLyons
      Valmont Bike Parkskill parkBoulder
      view all skill parks »

      Local Mountain Bike Directory


      view full directory »

      Local Trail Supporters

      • USFS
      • BLM
      Local Trail Association
      local trail association
      BMA       (bouldermountainbike.org)
      local trail association
      NATO (nederlandareatrails.org)
      • By TheNormsk & contributors
      • Admins: jpmcghee, BMBA
      • #15769 - 879 views
      • boulder county activity log | embed map of Boulder County mountain bike trails | boulder county mountain biking points of interest
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