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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (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%
  • bi-directional trail
  • no data
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
Contribute Details
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
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Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
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      No description for Fairfax County has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 15
      • 11
      • 97
      • 103
      • 5
      • 2

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      249
      Trails Mountain Bike
      248
      Trails E-Bike
      70
      Trails Horse
      12
      Trails Hike
      259
      Trails Trail Running
      259
      Total Distance
      182 miles
      Total Descent
      13,442 ft
      Total Vertical
      459 ft
      Highest Trailhead
      464 ft
      Reports
      4,441
      Photos
      728
      Ridden Counter
      43,908

      Popular Fairfax County Mountain Biking Trails

      statustitledifficultyrating
      Green Loop
      Fountainhead Regional Park
      Blue Loop
      Fountainhead Regional Park
      Loop 2 Technical
      Fountainhead Regional Park
      Old Shockabilly
      Fountainhead Regional Park
      Southside
      Lake Fairfax Park
      FlowJoe
      Lake Fairfax Park
      Black Loop
      Fountainhead Regional Park
      Wagon Wheel
      Lake Fairfax Park
      White Rabbit aka The Luge
      Lake Fairfax Park
      Bucksnort
      Lake Fairfax Park
      Boss
      Meadowood Special Recreation Area
      Yard Sale
      Meadowood Special Recreation Area
      The Berms
      Wakefield Park
      Berm Ascent Trail
      Wakefield Park
      South Branch Loop
      Meadowood Special Recreation Area

      Fairfax County Mountain Bike Routes

      titleratingdistance
      Smiles Per Miles
      Fountainhead Regional Park
      7 miles
      Fountainhead Blue Loop
      Fountainhead Regional Park
      6 miles
      Lake Fairfax #1
      Reston
      8 miles
      Fountainhead Black Loop
      Fountainhead Regional Park
      12 miles
      Fountainhead Black Loop Bypass
      Fountainhead Regional Park
      8 miles
      Fountainhead Full Tour
      Fountainhead Regional Park
      12 miles
      Fountainhead Green Loop
      Fountainhead Regional Park
      2 miles
      Lake Fairfax simple loop from Skate Rink
      Lake Fairfax Park
      5 miles
      Self Guided "Dirty Turtle"
      Lake Fairfax Park
      8 miles
      MORE - Casual Wakefield Ride
      Wakefield Park
      9 miles

      Recent Ride Log Activity in Region

      Today
      • 15 rides
      Yesterday
      • 37 rides
      Past Week
      • 232 rides

      Photos of Fairfax County Mountain Bike

      trail: MTB Trail
      22 |
      May 18, 2023 @ 3:05pm
      May 18, 2023
      trail: MTB Trail
      23 |
      May 18, 2023 @ 3:05pm
      May 18, 2023
      trail: MTB Trail
      28 |
      May 7, 2023 @ 7:58am
      May 7, 2023
      trail: MTB Trail
      23 |
      May 7, 2023 @ 7:58am
      May 7, 2023
      trail: MTB Trail
      30 |
      May 7, 2023 @ 7:58am
      May 7, 2023
      trail: Soup Kitchen
      40 |
      Jul 31, 2022 @ 11:46am
      Jul 31, 2022
      trail: Soup Kitchen
      68 |
      Nov 18, 2021 @ 7:43am
      Nov 18, 2021
      126 |
      Mar 7, 2020 @ 9:18am
      Mar 7, 2020

      Videos of Fairfax County Mountain Bike

      Pandemic Biking at Laurel Hill Virginia
      14 | Sep 19, 2022
      Blue Jump Line First Laps

      92 | Jun 19, 2022
      Just the drops on FH Black non GoPro views
      trail: Black Loop
      272 | May 27, 2021
      trail: Blue Loop
      0:09 | 182 | Aug 23, 2020
      Two jumps at Fountainhead park in VA
      0:07 | 126 | Aug 23, 2020
      Boss trail run
      trail: Boss
      1:58 | 146 | May 16, 2020
      Gimbal Testing
      trail: Yard Sale
      1:14 | 732 | Aug 11, 2017
      Blue Trail Drops

      0:09 | 319 | Jan 29, 2017

      Current Trail Warnings

      statustraildateconditionuserinfo
      White Trail to Yellow
      Upper Potomac Park
      Sep 22, 2023 @ 1:02pm
      Sep 22, 2023
      Variablebill32Many many trees down

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      ErnieRaddreportPower Station Descent Hill
      Oct 3, 2023 @ 7:37pm
      1 day
      JosephTGDZnzvotetrailWhite Rabbit aka The Luge
      Oct 3, 2023 @ 1:05pm
      1 day
      SeanWkMXofwishlisttrailPotomac Heritage Trail
      Oct 3, 2023 @ 7:40am
      2 days
      h1S1u2xMaddreportSoccer Fields Connector and 1 more
      Oct 1, 2023 @ 5:48am
      Oct 1, 2023
      j0eyaddreportBlue Loop
      Sep 30, 2023 @ 7:04pm
      Sep 30, 2023

      Recent Comments

      usernametypetitlecommentdate
      jonc327trailSouth Branch LoopThe bad news is that this is BLM land and they...
      Aug 18, 2023 @ 5:29am
      Aug 18, 2023
      AlisonRavenwellsreportBlue LoopBlue loop
      Jul 30, 2023 @ 7:54am
      Jul 30, 2023
      JulianX1cSVctrailMaxwell JumpsDumb choice. Made the lips way to steep....
      Jul 4, 2023 @ 4:10pm
      Jul 4, 2023
      JarelllyM3BtrailPower Station Loopbest to go clockwise, best trail at this park!
      Jun 30, 2023 @ 6:54pm
      Jun 30, 2023
      MaNicPeaktrailGreen LoopClosed today. Wet trail conditions.
      Jun 25, 2023 @ 6:25am
      Jun 25, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike245175 miles12,841 ft69 miles459 ft
      7084,4622348,207
      E-Bike7073 miles4,393 ft27 miles417 ft
      13,89351,547
      Horse1218 miles1,398 ft7 miles262 ft
      9305
      Hike259167 miles11,588 ft64 miles459 ft
      64,20511,195
      Trail Running259167 miles11,588 ft64 miles459 ft
      4,2042606
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: theWVPedaler, ErnieR, Turntex, PlumbBobM, MORE-NOVA-ld
      • #16477 - 4,672 views
      • fairfax county activity log | embed map of Fairfax County mountain bike trails | fairfax county mountain biking points of interest polygons

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