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Trail Conditions
  • Unknown
  • 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 Ridden Direction

The intendid direction a trail should be ridden.

  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction

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.
      eBikes Allowed: Yes
      AKA: JCOS, Jeffco, Jefferson County Open Space
      Region Details
      • 67
      • 7
      • 97
      • 145
      • 54
      • 4


      Open on 3 days

      Stats

      Avg Trail Rating
      Trails (view details)
      374
      Trails Mountain Bike
      374
      Trails E-Bike
      358
      Trails Hike
      368
      Trails Trail Running
      368
      Total Distance
      480 miles
      Total Descent Distance
      216 miles
      Total Descent
      80,824 ft
      Total Vertical
      5,311 ft
      Highest Trailhead
      10,414 ft
      Reports
      1,849
      Photos
      939
      Ridden Counter
      27,464

      Photos of Jefferson County Mountain Bike

      2 |
      Jan 12, 2019 @ 7:09pm
      Jan 12, 2019
      Black Bear Trail, My City
      0 |
      Jan 12, 2019 @ 7:09pm
      Jan 12, 2019
      Black Bear Trail, My City
      0 |
      Jan 12, 2019 @ 7:09pm
      Jan 12, 2019
      Black Bear Trail, My City
      81 |
      May 22, 2017 @ 8:24pm
      May 22, 2017
      Plymouth Creek, Ken Caryl
      more photos »

      Videos of Jefferson County Mountain Bike

      First Ride on the trail build
      0:40 | 8 | Nov 27, 2018
      Dino Ridge
      1:25 | 41 | Sep 7, 2018
      Dakota Ridge Trail on the Guerrilla Gravity...
      2:29 | 1288 | Nov 20, 2017
      7-27 with Friendly boys
      8:12 | 59 | Aug 29, 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
      Golden Gate New Full Pull
      24 miles
      Apex short route
      5 miles

      Recent Comments

      usernametypetitlecommentdate
      user #643542AnthonyfonzitrailBox O Rox extenstion Black lineShould be rated a blue.
      Jan 22, 2019 @ 10:23am
      18 hours
      user #1693983bowtie262trailRim RockMore fun ridden clockwise, I think. Lots of...
      Jan 10, 2019 @ 10:15pm
      Jan 10, 2019
      user #1690052BrianElandertrailRooney ValleyNew 2018 reroute offers new flow berms and jumps
      Jan 9, 2019 @ 4:58pm
      Jan 9, 2019
      user #589713rziccreportApexWhat!? Learn to read. It’s not that...
      Dec 25, 2018 @ 8:17pm
      Dec 25, 2018
      user #589713rziccreportDakota Ridge... and the wrong way to ride this trail....
      Dec 25, 2018 @ 8:15pm
      Dec 25, 2018
      more »

      Recent Activity

      usernameactiontypetitledate
      user #589713rziccaddridelogJan 22, 2019 ride log
      Jan 22, 2019 @ 12:21pm
      16 hours
      user #643542AnthonyfonzicommenttrailBox O Rox extenstion Black line
      Jan 22, 2019 @ 10:23am
      18 hours
      user #620484McMurrayaddridelogJan 22, 2019 ride log
      Jan 22, 2019 @ 9:55am
      18 hours
      user #1435604joerappaddridelogDec 30, 2018 ride log and 1 more
      Jan 21, 2019 @ 6:50pm
      1 days
      user #1188801susankylie73addridelogJan 21, 2019 ride log
      Jan 21, 2019 @ 5:30pm
      1 days
      view more »
      • By mtbyetico & contributors
      • Admins: jpmcghee, COMBA, mtbyetico, COMBA
      • #15972 - 1,814 views
      • jefferson county activity log | embed map of Jefferson County mountain bike trails | jefferson county mountain biking points of interest
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