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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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      467 trails
      titleriding areacityprovactivitytype
      680Big Rock / Lucas ValleyLucas Valley - MarinwoodCAmtb
      A picnic slideRagle Ranch Regional ParksebastopolCA
      Abbotts Lagoon TrailPoint Reyes StationCAhike
      Access TrailStafford Lake Bike ParkNovatoCAmtb
      AlameaPhillip Burton WildernessCAhike
      Alamere FallsPoint Reyes StationCAhike
      Alchemist TrailTamarancho / West Marin / North TamFairfaxCAmtb
      Alice Eastwood RoadMount Tamalpais State ParkMill ValleyCA
      Alpine TrailMount Tamalpais State ParkMill ValleyCA
      Alta TrailMarin HeadlandsSausalitoCA
      Alta VistaFoothill Regional ParkWindsorCAmtb
      Ancient RedwoodJack London State Historic ParkSanta RosaCAmtb
      Apple TreeJack London State Historic ParkSanta RosaCAmtb
      Apricot TreeJack London State Historic ParkSanta RosaCAmtb
      Aquinas Road ConnectorChina CampSan RafaelCAmtb
      Arroyo TrailPetalumaPetalumaCA
      Arroyo TrailheadHelen Putnam Regional ParkPetalumaCA
      Arturo TrailMount Tamalpais State ParkMill ValleyCA
      Asbury Creek TrailJack London State Historic ParkSanta RosaCA
      Austin Creek BlvdSanta RosaSanta RosaCAmtb
      Azalea Meadow TrailFairfaxCAhike
      B-17 ExtensionTamarancho / West Marin / North TamFairfaxCAmtb
      B-17 TrailTamarancho / West Marin / North TamFairfaxCAmtb
      Back Ranch Fire TrailChina CampSan RafaelCAmtb
      Bald Mountain TrailSugarloaf Ridge State ParkSanta RosaCAmtb
      Baldy TrailPhillip Burton WildernessCAhike
      Barnabe Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Barnabe Mountain Fire RoadWoodacreCA
      Bay Area Ridge TrailHelen Putnam Regional ParkPetalumaCA
      Bay Hills DriveChina CampSan RafaelCAmtb
      Bay TrailJack London State Historic ParkSanta RosaCAmtb
      Bay View TrailChina CampSan RafaelCAmtb
      Bayview TrailPhillip Burton WildernessCAhike
      Beach AccessPoint Reyes StationCAhike
      Bear Valley Fire RdPoint Reyes National SeashorePoint Reyes StationCA
      Benstein TrailTamarancho / West Marin / North TamFairfaxCAhike
      Big ballerRagle Ranch Regional ParksebastopolCA
      Big LeafShiloh Ranch Regional ParkSanta RosaCAmtb
      Big Leaf AccessShiloh Ranch Regional ParkSanta RosaCAmtb
      Big Rock Ridge Fire RoadBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtb
      Big Rock TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtb
      Bill's TrailTamarancho / West Marin / North TamFairfaxCA
      Blackberry trailRagle Ranch Regional ParksebastopolCA
      Blithedale Ridge Fire RoadKentfieldKentfieldCAmtb
      Blue Ridge Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Blue Ridge Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Blue Ridge Fire Road (No Bikes)Tamarancho / West Marin / North TamFairfaxCAmtb
      Boar Scat LoopLake SonomaGeyservilleCAmtb
      Bob Middagh TrailMount Tamalpais State ParkMill ValleyCA
      BobcatWindsorWindsorCAmtb
      Bobcat TrailMarin HeadlandsSausalitoCAmtb
      Bolema TrailPhillip Burton WildernessCAhike
      Bolinas RidgeTamarancho / West Marin / North TamFairfaxCAmtb
      Bolinas Ridge TrailTamarancho / West Marin / North TamFairfaxCAhike
      Bon Tempe Dam RdTamarancho / West Marin / North TamFairfaxCAmtb
      Bootjack TrailMount Tamalpais State ParkMill ValleyCA
      Boulder Springs TrailTamarancho / West Marin / North TamFairfaxCAmtb
      Box Springs / SasquatchWillow Creek / Sonoma CoastOccidentalCAmtb
      Broken Dam TrailTamarancho / West Marin / North TamFairfaxCAmtb
      BucklinPhillip Burton WildernessCAhike
      Bullfrog ConnectorTamarancho / West Marin / North TamFairfaxCAmtb
      Bullpoint TrailPoint Reyes StationCAhike
      Burdell ClimbNovatoCAmtb
      Burdell Climb 2NovatoCAmtb
      Burdell Fire Road ShortcutNovatoCAmtb
      Camino Alto Fire RoadMount Tamalpais State ParkMill ValleyCA
      Camp ViaJack London State Historic ParkSanta RosaCAmtb
      CanaryChina CampSan RafaelCAmtb
      Canary ConnectorChina CampSan RafaelCAmtb
      Candelero Canyon (Madrone Arches)Tamarancho / West Marin / North TamFairfaxCAmtb
      CanyonShiloh Ranch Regional ParkSanta RosaCAmtb
      Canyon TrailAnnadel State ParkSanta RosaCAmtb
      Canyon TrailAnnadel State ParkSanta RosaCAmtb
      Carolyn Day TrailJack London State Historic ParkSanta RosaCAmtb
      Cataract TrailTamarancho / West Marin / North TamFairfaxCAhike
      Cattail TrailHelen Putnam Regional ParkPetalumaCAhike
      Central TrailSonoma CountyCA
      Channel DriveAnnadel State ParkSanta RosaCAmtb
      Channel TrailAnnadel State ParkSanta RosaCA
      Chicken Shack Fire RoadLucas Valley - MarinwoodCAmtb
      Chimney RockPoint Reyes StationCAhike
      Coast Trail (Point Reyes)Phillip Burton WildernessCAhike
      Coast View TrailMount Tamalpais State ParkMill ValleyCA
      Coastal (Muir Beach - Coyote Ridge)Marin HeadlandsSausalitoCAmtb
      Coastal (Tennessee Valley - Coyote Ridge)Marin HeadlandsSausalitoCAmtb
      Coastal Trail (Conzelman/Bunker)Marin HeadlandsSausalitoCAmtb
      Coastal Trail (Rodeo Beach area)Marin HeadlandsSausalitoCA
      Coastal Trail (to Hill 88)Marin HeadlandsSausalitoCA
      CobblestoneAnnadel State ParkSanta RosaCAmtb
      Concrete Pipe RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Conifer Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Contour Fire RdTamarancho / West Marin / North TamFairfaxCAmtb
      Coon TrapJack London State Historic ParkSanta RosaCAmtb
      Corte Madera Creek PathKentfieldKentfieldCAmtb
      Corte Madera Ridge Fire RoadMount Tamalpais State ParkMill ValleyCA
      CoveLake SonomaGeyservilleCAmtb
      Coyote RidgeMarin HeadlandsSausalitoCAmtb
      CreeksideShiloh Ranch Regional ParkSanta RosaCAmtb
      Creekside ConnectorWillow Creek / Sonoma CoastOccidentalCAmtb
      Creekside Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Creekside Nature TrailSugarloaf Ridge State ParkSanta RosaCAhike
      Creekside TrailWillow Creek / Sonoma CoastOccidentalCAmtb
      CrittersAnnadel State ParkSanta RosaCAmtb
      Cross Country Boys TrailTamarancho / West Marin / North TamFairfaxCAhike
      Cross Marin Trail (Bike Path)Tamarancho / West Marin / North TamFairfaxCAmtb
      Crowleys Lake LoopLake SonomaGeyservilleCAmtb
      Crystal Lake TrailPhillip Burton WildernessCAhike
      Dan's Fire RoadMarin CountyLagunitas - Forest KnollsCAmtb
      DarksideAnnadel State ParkSanta RosaCAmtb
      Dawn FallsMount Tamalpais State ParkMill ValleyCA
      Dead Heifer RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Deer Park Fire RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Deer Park FireroadMarin CountyTamalpais - Homestead ValleyCAmtb
      Deer Point RoadPoint Reyes StationCAmtb
      Del Casa Fire RoadMount Tamalpais State ParkMill ValleyCA
      Devil's Gulch Fire RoadMarin CountyCAmtb
      Dias Ridge TrailMount Tamalpais State ParkMill ValleyCA
      Diblee RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Dixon Ridge Fire RoadWoodacreCA
      Drakes Head TrailPoint Reyes National SeashorePoint Reyes StationCAmtb
      Drakes View TrailPhillip Burton WildernessCAhike
      Drown Road TrailMarin HeadlandsSausalitoCA
      Dry CreekLake SonomaGeyservilleCAmtb
      Duxbury ReefPoint Reyes StationCAhike
      Eagle RimMarin County Open Space: Rush CreekNovatoCAmtb
      Earthquake TrailPoint Reyes StationCAhike
      EchoChina CampSan RafaelCAmtb
      Education CenterPoint Reyes StationCAhike
      Education CenterPoint Reyes StationCAhike
      EldridgeJack London State Historic ParkSanta RosaCAmtb
      Eldridge GradeMill ValleyCA
      ElephantLake SonomaGeyservilleCAmtb
      Elinor Fire RoadMount Tamalpais State ParkMill ValleyCA
      Endor (Flow Trail)Tamarancho / West Marin / North TamFairfaxCAmtb
      Escalon Fire RoadMount Tamalpais State ParkMill ValleyCA
      EsteroPoint Reyes StationCAhike
      Estero TrailPoint Reyes StationCA
      Evergreen Fire RoadKentfieldKentfieldCAmtb
      Fairfax Ridge RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Fern LakeJack London State Historic ParkSanta RosaCAmtb
      Fern Lake Fire RoadJack London State Historic ParkSanta RosaCA
      Filaree TrailHelen Putnam Regional ParkPetalumaCA
      Fire Lane TrailPhillip Burton WildernessCAhike
      Fire RoadLake SonomaGeyservilleCAmtb
      Fish GulchTamarancho / West Marin / North TamFairfaxCAmtb
      Freeze OutWillow Creek / Sonoma CoastOccidentalCAmtb
      French Ranch Fire RoadWoodacreCAmtb
      Full MontyWillow Creek / Sonoma CoastOccidentalCAmtb
      FuryWindsorWindsorCAmtb
      GlenPoint Reyes StationCAhike
      Glen Camp LoopPhillip Burton WildernessCAhike
      Glen Fire RoadMount Tamalpais State ParkMill ValleyCA
      Glenbrook TrailPhillip Burton WildernessCAhike
      Glenn Trail (Bear Valley to Stewart Trail)Phillip Burton WildernessCAhike
      Goat TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCA
      Gold Hill Fire RdChina CampSan RafaelCAmtb
      Gold Hill Fire TrailChina CampSan RafaelCA
      Golden Gate Bridge (East)SausalitoCA
      Golden Gate Bridge (West)SausalitoCA
      Goldman TrailTamarancho / West Marin / North TamFairfaxCAmtb
      Golf Course SingletrackMount Tamalpais State ParkMill ValleyCA
      Goodspeed TrailSugarloaf Ridge State ParkSanta RosaCAmtb
      Grassy Knoll RoadWoodacreCAmtb
      Grassy Slope OverlookTamarancho / West Marin / North TamFairfaxCAmtb
      Gravity Car RoadMount Tamalpais State ParkMill ValleyCA
      Gravity ZoneStafford Lake Bike ParkNovatoCAmtb
      Green Gulch ConnectorMill ValleyCAmtb
      Greenpicker (North)Phillip Burton WildernessCAhike
      Greenpicker (South)Phillip Burton WildernessCAhike
      Gunsight Fire RdTamarancho / West Marin / North TamFairfaxCAmtb
      H-Line Fire RoadMount Tamalpais State ParkMill ValleyCA
      Hacienda Fire RoadChina CampSan RafaelCAmtb
      Half a Canoe LoopLake SonomaGeyservilleCAmtb
      Harry Allen trailMount Tamalpais State ParkMill ValleyCA
      Hawk Camp TrailMarin HeadlandsSausalitoCA
      HayfieldsJack London State Historic ParkSanta RosaCAmtb
      HeadhunterAnnadel State ParkSanta RosaCAmtb
      Hidden ValleyPhillip Burton WildernessCAhike
      High Marsh TrailTamarancho / West Marin / North TamFairfaxCAhike
      Hoo-Koo-E-KooMill ValleyCAmtb
      Hood MountainHood Mountain Regional ParkSanta RosaCAmtb
      Horse CampPoint Reyes StationCAhike
      Horse CampPoint Reyes StationCAhike
      Horse Hill Fire RoadMount Tamalpais State ParkMill ValleyCA
      Horse TrailPhillip Burton WildernessCAhike
      Horse Trail ext.Phillip Burton WildernessCAhike
      Horseshoe Fire RoadKentfieldKentfieldCAmtb
      Hunt Camp RoadTamarancho / West Marin / North TamFairfaxCAmtb
      Hunters Camp RoadWillow Creek / Sonoma CoastOccidentalCAmtb
      Idylberry TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCA
      Indian Beach NaturePoint Reyes StationCAhike
      Indian Fire RoadMill ValleyCA
      International TrailMount Tamalpais State ParkMill ValleyCA
      Inverness Ridge TrailPoint Reyes National SeashorePoint Reyes StationCAmtb
      Islands in the Sky LoopWillow Creek / Sonoma CoastOccidentalCAmtb
      JamboreeWillow Creek / Sonoma CoastOccidentalCAmtb
      Jewell TrailTamarancho / West Marin / North TamFairfaxCAmtb
      John BeckmeyerAnnadel State ParkSanta RosaCAmtb
      Johnstone TrailTomales Bay State ParkInvernessCAhike
      JT HowellChina CampSan RafaelCAmtb
      Displaying 1 - 200 of 467