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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
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
Max Vehicle Width
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Radar Time
      King County is home to some of Washington's best and most famous mountain biking, from the Issaquah Alps, home to legendary Tiger Mountain & Duthie Hill, and new developments such as Raging River, to the XC heartland in the Maple Valley & Black Diamond lowlands, not only is King County Washington's most inhabited county, it also offers some of the most varied and interesting biking around. Now part of Evergreen Mountain Bike Alliance's 'Cascades to Sound' Chapter.
      Region Details
      • 192
      • 57
      • 395
      • 380
      • 71
      • 18
      • 1

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      1,437
      Trails Mountain Bike
      1,125
      Trails E-Bike
      206
      Trails Hike
      1,329
      Trails Trail Running
      1,325
      Trails Horse
      133
      Trails Dirtbike/Moto
      13
      Trails Observed Trials
      13
      Trails ATV/ORV/OHV
      14
      Trails Snowshoe
      12
      Trails Downhill Ski
      37
      Trails Backcountry Ski
      3
      Trails Nordic Ski
      3
      Total Distance
      1,123 mile
      Total Descent
      192,399 ft
      Total Vertical
      6,422 ft
      Highest Trailhead
      6,436 ft
      Reports
      16,278
      Photos
      4,006
      Ridden Counter
      271,515

      Popular Trail Networks

      title
      Tiger Mountain 6 8 7 2
      Lake Sawyer 10 55 2 1
      Tolt MacDonald Park 13 42 4
      North SeaTac Park 41 4 2
      Tokul East 6 20 9 2
      view all areas »

      Popular King County Mountain Biking Trails

      statustitledifficultyrating
      Master Link
      Tiger Mountain
      Honey Badger
      Duthie Hill Mountain Bike Park
      Flow State Upper
      Raging River State Forest
      Duthie Access Road to Clearing
      Duthie Hill Mountain Bike Park
      Flow State Lower
      Raging River State Forest
      Quick Link
      Tiger Mountain
      Deuces Wild
      Duthie Hill Mountain Bike Park
      Parking lot connector trail
      Duthie Hill Mountain Bike Park
      Connector Trail
      Tiger Mountain
      Upward Mobility
      Raging River State Forest
      Poppin' Tops Lower
      Raging River State Forest
      Ryan's Eternal Flow Line
      Duthie Hill Mountain Bike Park
      Voodoo Child
      Duthie Hill Mountain Bike Park
      Flow Park Walk-up Trail
      Duthie Hill Mountain Bike Park
      2 Hi / Jabulani
      Duthie Hill Mountain Bike Park

      King County Mountain Bike Routes

      titleratingdistance
      Up, then Flow
      Raging River State Forest
      5 miles
      Raging River - Full Lollipop
      Snoqualmie Ridge
      19 miles
      Tiny Tolt Loop
      Carnation
      5 miles
      Raging Ridge out and back
      Snoqualmie
      16 miles
      Olallie 1st Viewpoint Out-and-Back
      South Fork Snoqualmie
      9 miles
      Tiger Summit Climb
      Tiger Mountain
      4 miles
      Mirrormont Long Route
      Tiger Mountain
      16 miles
      Tiger: Defanged - The Intermediate Loop
      Tiger Mountain
      13 miles
      West is the New Black
      Tokul West
      5 miles
      PT8
      Snoqualmie Ridge
      11 miles

      Recent Ridelog Activity in Region

      Today
      • 0 rides
      • 0 ft avg distance
      Yesterday
      • 277 rides
      • 12 miles avg distance
      Past Week
      • 2,198 rides
      • 13 miles avg distance

      Photos of King County Mountain Bike

      582 |
      Jun 10, 2018 @ 5:01pm
      Jun 10, 2018
      697 |
      May 25, 2018 @ 11:31am
      May 25, 2018
      trail: Master Link
      568 |
      Apr 13, 2017 @ 10:04pm
      Apr 13, 2017
      trail: Master Link
      726 |
      Apr 13, 2017 @ 10:04pm
      Apr 13, 2017
      trail: Paramount
      486 |
      Oct 19, 2016 @ 12:04am
      Oct 19, 2016
      | 1 comments
      trail: Voodoo Child
      477 |
      Jan 27, 2016 @ 6:16pm
      Jan 27, 2016
      trail: Gravy Train
      873 |
      Jan 11, 2012 @ 7:42am
      Jan 11, 2012
      1,263 |
      May 17, 2009 @ 12:27pm
      May 17, 2009
      | 6 comments

      Videos of King County Mountain Bike

      Wreck
      26 | Jun 20, 2021
      Riding at Fisher Creek
      7 | Jun 16, 2021
      7 year old son
      4 | Jun 11, 2021
      Clayton sends #1: Torguson

      34 | Jun 6, 2021
      49 | May 27, 2021
      Belly Slide
      128 | May 24, 2021
      Quick Gap
      trail: Home Town
      37 | May 19, 2021
      Rippin'
      trail: Home Town
      35 | May 19, 2021

      Current Trail Warnings

      statustraildateconditionuserinfo
      Alpine Baldy Trail
      Skykomish
      Jun 21, 2021 @ 2:19pm
      2 days
      VariablehartddsJune 21, 2021. The avalanche steel blocks...
      Trials
      Summit Ridge
      Jun 20, 2021 @ 11:04pm
      2 days
      Idealrainyascent Overgrown with thorny bushes
      Homestead
      Grand Ridge
      Jun 20, 2021 @ 3:39pm
      3 days
      DryAmbroselNo access to Sammamish state park

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1376355randomxycommenttrailTradition Plateau Trail
      Jun 22, 2021 @ 11:34pm
      4 hours
      user #1209717GaoyagiwishlisttrailAlpine Baldy Trail
      Jun 22, 2021 @ 9:51pm
      6 hours
      user #2243180CorkwagonriddentrailPoppin' Tops Lower and 6 more
      Jun 22, 2021 @ 9:38pm
      6 hours
      user #2053565TaylorAllisonwishlisttrailFunner
      Jun 22, 2021 @ 9:18pm
      6 hours
      user #1403639mmaaddEwishlisttrailRaging Ridge
      Jun 22, 2021 @ 9:11pm
      7 hours

      Recent Comments

      usernametypetitlecommentdate
      user #1376355randomxytrailTradition Plateau TrailClosed to bikes
      Jun 22, 2021 @ 11:34pm
      4 hours
      user #1978626dcx5000trailMaple RockOvergrown with blackberry bushes. Tough to...
      Jun 21, 2021 @ 2:22am
      2 days
      user #2716622vSrsMutrailKGBThis trail has the gnarliest jumps in Tokul....
      Jun 18, 2021 @ 10:15am
      Jun 18, 2021
      user #2607940JaminislittrailLudicrous SpeedAwful trail. Trail surface is gravel and...
      Jun 17, 2021 @ 2:59pm
      Jun 17, 2021
      user #1559432pereikstrailCuss HollowIt's a short and fun segment to learn how to...
      Jun 17, 2021 @ 10:25am
      Jun 17, 2021

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike1,124841 miles123,727 ft340 miles4,987 ft
      3,95116,19593206,263
      E-Bike206202 miles23,005 ft71 miles4,957 ft
      11,78922,120
      Hike1,3281,085 mile166,325 ft413 miles6,421 ft
      5415,22756,373
      Trail Running1,3251,084 mile166,266 ft413 miles6,421 ft
      15,22764,349
      Horse133193 miles23,077 ft75 miles4,039 ft
      5,754175
      Dirtbike/Moto1321 miles3,097 ft8 miles3,625 ft
      5,63926
      Observed Trials1321 miles3,097 ft8 miles3,625 ft
      9819
      ATV/ORV/OHV1421 miles3,097 ft8 miles3,625 ft
      5,63973
      Snowshoe1221 miles3,015 ft7 miles5,082 ft
      520
      Downhill Ski3714 miles14,813 ft14 miles1,201 ft
      13460
      Backcountry Ski37 miles125 ft1,890 ft4,203 ft
      15126
      Nordic Ski36 miles2,103 ft4 miles1,932 ft
      684
      • By k-w & contributors
      • Admins: EMBA, boxxerace, jmahler
      • #22529 - 6,507 views
      • king county activity log | embed map of King County mountain bike trails | king county mountain biking points of interest polygons
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