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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
      Jefferson County is a large area that incorporates many riding areas and cities. Most parks are operated by Jefferson County Open Space. There are a few city parks that have dirt trails too, William Frederick Hayden Park (Green Mountain park) and Bear Creek Lake Park are city parks in Lakewood and are not operated through JCOS.
      AKA: JCOS, Jeffco, Jefferson County Open Space
      Region Details
      • 67
      • 7
      • 102
      • 137
      • 49
      • 6

      Stats

      Avg Trail Rating
      Trails
      368
      Total Distance
      344 miles
      Total Descent Distance
      157 miles
      Total Descent
      67,318 ft
      Highest Trailhead
      9,668 ft
      Total Vertical
      4,202 ft
      Reports
      1,458
      Photos
      891
      Ridden Counter
      15,906

      Photos of Jefferson County Mountain Bike

      trail: Sluicebox
      4 |
      Jun 14, 2018 @ 2:25pm
      Jun 14, 2018
      Sluicebox, Golden
      5 |
      Jun 13, 2018 @ 1:32pm
      Jun 13, 2018
      Ruby Hill Park, Denver
      48 |
      May 22, 2017 @ 8:24pm
      May 22, 2017
      Plymouth Creek, Ken Caryl
      trail: Slopestyle XL
      490 |
      Aug 5, 2011 @ 8:01pm
      Aug 5, 2011
      Slopestyle XL, Boulder
      more photos »

      Videos of Jefferson County Mountain Bike

      Dakota Ridge Trail on the Guerrilla Gravity...
      2:29 | 1238 | Nov 20, 2017
      7-27 with Friendly boys
      8:12 | 39 | Aug 29, 2017
      Columbine's Mountain Bike Team
      2:07 | 67 | Feb 18, 2017
      Road jump
      0:07 | 198 | Feb 16, 2017
      more videos »

      Jefferson County Mountain Bike Routes

      titleratingdistance
      Yeti Factory Demo G.M. Loop
      11 miles
      A bit of work and lots of fun
      15 miles
      Apex short route
      5 miles
      Buffalo Creek - Little Scraggy and Blackjack loop
      33 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1391189COmoosetrailLonghornHoping that since Longhorn will now be...
      Jun 13, 2018 @ 2:45pm
      Jun 13, 2018
      user #316922chadmckennatrailGreen Mountain (Florida)New flow track at the top is pretty rad.
      Jun 1, 2018 @ 6:48am
      Jun 1, 2018
      user #522809rhammantrailElk RangeClosed until June 15 $50-100 fine if busted
      May 25, 2018 @ 10:07am
      May 25, 2018
      user #1005442mtbyeticotrailCT (Seg 3)Did the Wilderness Boundary change? It used to...
      May 9, 2018 @ 8:20am
      May 9, 2018
      user #1371215jamesashton2trailDakota RidgeSuper fun and mega techy definitely one of the...
      May 1, 2018 @ 8:59am
      May 1, 2018
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1537305charlieknolladdridelogJun 19, 2018 ride log
      Jun 19, 2018 @ 2:42pm
      47 mins
      user #1537305charlieknolladdridelogJun 19, 2018 ride log
      Jun 19, 2018 @ 1:32pm
      2 hours
      user #1436118EthanrmtbaddridelogJun 19, 2018 ride log
      Jun 19, 2018 @ 12:21pm
      3 hours
      user #1519304SynstantonaddridelogJun 19, 2018 ride log
      Jun 19, 2018 @ 11:41am
      4 hours
      user #589713rziccaddridelogJun 19, 2018 ride log
      Jun 19, 2018 @ 11:23am
      4 hours
      view more »
      • By mtbyetico & contributors
      • Admins: chuktA, jpmcghee, COMBA, mtbyetico
      • #15972 - 1,284 views
      • jefferson county activity log | embed map of Jefferson County mountain bike trails | jefferson county mountain biking points of interest
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