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Trail Conditions
  • Unknown
  • Snow Groomed
  • 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 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
ContributeDetails
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

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

  • 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 Groomed
  • 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
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      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
      • 153
      • 36
      • 277
      • 316
      • 64
      • 17
      • 2

      Region Status
      Open as of 3 hours ago
      Local Trail Association
      local trail association
      (evergreenmtb.org)

      Stats

      Avg Trail Rating
      Trails (view details)
      879
      Trails Mountain Bike
      879
      Trails E-Bike
      28
      Trails Hike
      832
      Trails Trail Running
      831
      Trails Horse
      14
      Total Distance
      621 miles
      Total Descent
      119,603 ft
      Total Vertical
      5,133 ft
      Highest Trailhead
      5,142 ft
      Reports
      8,597
      Photos
      3,072
      Ridden Counter
      111,832

      Popular Trail Networks

      title
      Tolt MacDonald Park 13 55 7
      Lake Sawyer 7 44 2 1
      Tokul East 6 20 8 1
      Tokul West 12 14 11
      Henry's Ridge 11 19 6
      view all areas »

      Photos of King County Mountain Bike

      58 |
      Sep 5, 2017 @ 4:45pm
      Sep 5, 2017
      trail: Bootcamp
      145 |
      Sep 5, 2017 @ 4:30pm
      Sep 5, 2017
      trail: Master Link
      365 |
      Apr 13, 2017 @ 10:04pm
      Apr 13, 2017
      trail: Paramount
      278 |
      Oct 19, 2016 @ 12:04am
      Oct 19, 2016
      | 1 comments

      Videos of King County Mountain Bike

      Slow-mo sending the Tokyo Step down
      0:04 | 29 | Oct 11, 2019
      Chasing Brian Pal on Lower Crazy Ivan
      1:57 | 33 | Oct 11, 2019
      Tokyo Drift is oh so good
      2:21 | 79 | Oct 11, 2019
      Quick rip down Kamikaze
      trail: Kamikaze
      3:26 | 13 | Oct 11, 2019

      Current Trail Warnings

      statustraildateconditionuserinfo
      Phoenix Bailout
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:29am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Sideshow
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:28am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Blair Witch Project
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:26am
      4 hours
      DryMikeroyClearcut. All trails destroyed.

      Recent Trail Reports

      statustraildateconditionuserinfo
      Mouse Trap
      Tokul West
      Oct 14, 2019 @ 9:53am
      3 hours
      DryItchyDogReports are that this was also brushed...
      Moonraker
      Tokul West
      Oct 14, 2019 @ 9:52am
      3 hours
      DryItchyDogReports are that this was brushed out on...
      Upper Outback
      Tokul West
      Oct 14, 2019 @ 9:51am
      3 hours
      DryItchyDogTrail has been brushed out as of Oct 5th....
      Nessie
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:28am
      4 hours
      DryMikeroy
      Outer Toothpick
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:25am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Inner Toothpick
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:24am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Pearl
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:23am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Phoenix
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:23am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      Grant's Pass
      Tolt MacDonald Park
      Oct 14, 2019 @ 9:22am
      4 hours
      DryMikeroyClearcut. All trails destroyed.
      2 Hi / Jabulani
      Duthie Hill Mountain Bike Park
      Oct 13, 2019 @ 9:10pm
      16 hours
      DryQuintin-820Very nice dirt

      Activity Feed

      usernameactiontypetitledate
      user #1223482SurfwashingtonvotetrailKGB
      Oct 14, 2019 @ 11:41am
      2 hours
      user #1668635ItchyDogaddreportUpper Outback and 2 more
      Oct 14, 2019 @ 9:51am
      3 hours
      user #1395713MikeroyaddreportGrant's Pass and 10 more
      Oct 14, 2019 @ 9:22am
      4 hours
      user #884718Jawar13wishlisttrailOlallie Trail
      Oct 13, 2019 @ 10:48pm
      15 hours
      user #1955831Quintin-820addreport2 Hi / Jabulani
      Oct 13, 2019 @ 9:10pm
      16 hours

      Recent Comments

      usernametypetitlecommentdate
      user #1360163icmtnstrailLower FallsLot of deep mud
      Oct 13, 2019 @ 6:55pm
      18 hours
      user #1183593Riddler0013reportIt's a BitchFirst time here. IAB should be closed to...
      Oct 13, 2019 @ 4:56pm
      20 hours
      user #1264530DiamondwomantrailLushootseed WhispersThis area could be great with some tlc. A day...
      Oct 12, 2019 @ 7:30pm
      2 days
      user #1631282getjetsreportThe JuiceI
      Oct 6, 2019 @ 3:24pm
      Oct 6, 2019
      user #1948870PaulEDowneytrailFunnerGood trail, fairly dry despite the rain,...
      Oct 5, 2019 @ 7:19pm
      Oct 5, 2019

      Local Badges

      • By KeetnaWilson & contributors
      • Admins: chuktA, WillieJacobsz, adaptivemike, EMBA, mtnbykr05, boxxerace, jmahler
      • #22529 - 1,979 views
      • king county activity log | embed map of King County mountain bike trails | king county mountain biking points of interest
      • subscribe 3d map

      Downloading of trail gps tracks in kml & gpx formats is enabled for King County.
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