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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • 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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US Cell Coverage
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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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      484 trails
      titleriding areacityprovactivitytypeactivitytype
      680Loma Alta PreserveFairfaxCA
      7 Eleven TrailChina CampSan RafaelCAhikehike
      A picnic slideRagle Ranch Regional ParkSebastopolCA
      Abbotts Lagoon TrailPoint Reyes National SeashorePoint Reyes StationCA
      Access TrailStafford Lake Bike ParkNovatoCAmtbmtb
      AlameaPhillip Burton WildernessOlemaCA
      Alamere FallsPhillip Burton WildernessOlemaCAhikehike
      Alchemist TrailTamaranchoFairfaxCAmtbmtb
      Alice Eastwood RoadMount Tamalpais State ParkMill ValleyCA
      Alpine TrailMount Tamalpais State ParkMill ValleyCA
      Alta TrailMarin HeadlandsSausalitoCA
      Alta VistaFoothill Regional ParkWindsorCAmtbmtb
      Ancient RedwoodJack London State Historic ParkSanta RosaCAmtbmtb
      Apple TreeJack London State Historic ParkSanta RosaCAmtbmtb
      Apricot TreeJack London State Historic ParkSanta RosaCAmtbmtb
      Aquinas Road ConnectorHarry A Barbier Memorial ParkSan RafaelCA
      Arroyo TrailPetalumaPetalumaCA
      Arroyo TrailheadHelen Putnam Regional ParkPetalumaCA
      Arturo TrailMarin Municipal Water DistrictFairfaxCA
      Asbury Creek TrailJack London State Historic ParkSanta RosaCA
      Austin Creek BlvdSanta RosaSanta RosaCAmtbmtb
      Azalea HillMarin Municipal Water DistrictFairfaxCA
      Azalea Meadow TrailMarin Municipal Water DistrictFairfaxCAhikehike
      B-17 ExtensionTamaranchoFairfaxCAmtbmtb
      B-17 TrailTamaranchoFairfaxCAmtbmtb
      Baby CrackMarin HeadlandsSausalitoCAhikehike
      Back Ranch Fire TrailChina CampSan RafaelCA
      Bald Mountain TrailSugarloaf Ridge State ParkSanta RosaCAmtbmtb
      Baldy TrailPhillip Burton WildernessOlemaCA
      Barnabe Fire RoadSamuel P. Taylor State ParkLagunitas - Forest KnollsCA
      Barnabe Mountain Fire RoadFrench Ranch and Roy's RedwoodsWoodacreCA
      Bay Area Ridge TrailHelen Putnam Regional ParkPetalumaCA
      Bay Hills DriveChina CampSan RafaelCA
      Bay Hills Fire Rd.China CampSan RafaelCA
      Bay TrailJack London State Historic ParkSanta RosaCAmtbmtb
      Bay View TrailChina CampSan RafaelCA
      Bayview TrailPhillip Burton WildernessOlemaCA
      Beach AccessPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Bear Valley Fire RdPoint Reyes National SeashorePoint Reyes StationCA
      Benstein TrailMarin Municipal Water DistrictFairfaxCAhikehike
      Big ballerRagle Ranch Regional ParkSebastopolCA
      Big LeafShiloh Ranch Regional ParkSanta RosaCAmtbmtb
      Big Leaf AccessShiloh Ranch Regional ParkSanta RosaCAmtbmtb
      Big Rock Ridge Fire RoadLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCA
      Big Rock TrailLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCA
      Bill's TrailSamuel P. Taylor State ParkLagunitas - Forest KnollsCA
      Blackberry trailRagle Ranch Regional ParkSebastopolCA
      Blackstone CanyonLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCAhikehike
      Blithedale Ridge Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      Blue Ridge Fire RoadWhite Hill PreserveFairfaxCAmtbmtb
      Blue Ridge Fire RoadCascade Canyon PreserveFairfaxCA
      Blue Ridge Fire Road (No Bikes)White Hill PreserveFairfaxCA
      Boar Scat LoopLake SonomaGeyservilleCA
      Bob Middagh TrailAlto Bowl PreserveMill ValleyCA
      BobcatWindsorWindsorCAmtbmtb
      Bobcat TrailMarin HeadlandsSausalitoCA
      Bolema TrailPhillip Burton WildernessOlemaCA
      Bolinas RidgeGolden Gate National Recreation AreaStinson BeachCA
      Bolinas Ridge TrailMount Tamalpais State ParkMill ValleyCA
      Bon Tempe Dam RdMarin Municipal Water DistrictFairfaxCA
      Bootjack TrailMount Tamalpais State ParkMill ValleyCAhikehike
      Boulder Springs TrailGary Giacomini PreserveWoodacreCA
      Box Springs / SasquatchSonoma Coast State ParkOccidentalCAmtbmtb
      Broken Dam TrailTamaranchoFairfaxCAmtbmtb
      BucklinPhillip Burton WildernessOlemaCA
      Bullfrog ConnectorMarin Municipal Water DistrictFairfaxCA
      Bullpoint TrailPoint Reyes National SeashorePoint Reyes StationCA
      Burdell Fire Road ShortcutMount BurdellNovatoCA
      Camino Alto Fire RoadCamino Alto PreserveMill ValleyCA
      Camp ViaJack London State Historic ParkSanta RosaCAmtbmtb
      CanaryHarry A Barbier Memorial ParkSan RafaelCA
      Canary ConnectorHarry A Barbier Memorial ParkSan RafaelCAmtbmtb
      Candelero Canyon (Madrone Arches)Gary Giacomini PreserveWoodacreCA
      CanyonShiloh Ranch Regional ParkSanta RosaCAmtbmtb
      Canyon TrailAnnadel State ParkSanta RosaCAmtbmtb
      Carolyn Day TrailJack London State Historic ParkSanta RosaCAmtbmtb
      Cascade Fire Road (Repack)Marin Municipal Water DistrictFairfaxCA
      Cataract TrailMarin Municipal Water DistrictFairfaxCAhikehike
      CaterpillarGary Giacomini PreserveWoodacreCAhikehike
      Cattail TrailHelen Putnam Regional ParkPetalumaCAhikehike
      Central TrailSonoma CountyTimber CoveCA
      Channel DriveAnnadel State ParkSanta RosaCAmtbmtb
      Channel TrailAnnadel State ParkSanta RosaCA
      Checker LilyJack London State Historic ParkSanta RosaCAmtbmtb
      Chicken Shack Fire RoadLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCA
      Chimney RockPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Coast Glen SpurPhillip Burton WildernessOlemaCA
      Coast Trail (Point Reyes)Phillip Burton WildernessOlemaCA
      Coast View TrailMount Tamalpais State ParkMill ValleyCA
      Coastal (Muir Beach - Coyote Ridge)Marin HeadlandsSausalitoCA
      Coastal (Tennessee Valley - Muir Beach)Marin HeadlandsSausalitoCA
      Coastal Trail (Conzelman/Bunker)Marin HeadlandsSausalitoCA
      Coastal Trail (Rodeo Beach area)Marin HeadlandsSausalitoCA
      Coastal Trail (to Hill 88)Marin HeadlandsSausalitoCA
      CobblestoneAnnadel State ParkSanta RosaCAmtbmtb
      Cobblestone Fire RoadMount BurdellNovatoCA
      Concrete Pipe RoadMarin Municipal Water DistrictFairfaxCA
      Conifer Fire RoadGary Giacomini PreserveWoodacreCA
      Contour TrailGary Giacomini PreserveWoodacreCA
      Coon TrapJack London State Historic ParkSanta RosaCAmtbmtb
      Corte Madera Creek PathKentfieldKentfieldCAmtbmtb
      Corte Madera Ridge Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      CoveLake SonomaGeyservilleCA
      Coyote RidgeMarin HeadlandsSausalitoCA
      CreeksideShiloh Ranch Regional ParkSanta RosaCAmtbmtb
      Creekside ConnectorSonoma Coast State ParkOccidentalCAmtbmtb
      Creekside Fire RoadCascade Canyon PreserveFairfaxCA
      Creekside Nature TrailSugarloaf Ridge State ParkSanta RosaCAhikehike
      Creekside TrailSonoma Coast State ParkOccidentalCAmtbmtb
      CrittersAnnadel State ParkSanta RosaCAmtbmtb
      Cross Country Boys TrailMarin Municipal Water DistrictFairfaxCAhikehike
      Cross Marin Trail (Bike Path)Samuel P. Taylor State ParkLagunitas - Forest KnollsCA
      CrosshairsChina CampSan RafaelCAhikehike
      Crowleys Lake LoopLake SonomaGeyservilleCA
      DarksideAnnadel State ParkSanta RosaCAmtbmtb
      Dead Heifer RoadTamaranchoFairfaxCA
      Deer Park Fire RoadMarin Municipal Water DistrictFairfaxCA
      Deer Park FireroadMount Tamalpais State ParkMill ValleyCA
      Deer Point RoadSamuel P. Taylor State ParkLagunitas - Forest KnollsCA
      Del Casa Fire RoadCamino Alto PreserveMill ValleyCA
      Devil's Gulch Fire RoadSamuel P. Taylor State ParkLagunitas - Forest KnollsCA
      Dias Ridge TrailMount Tamalpais State ParkMill ValleyCA
      Diblee RoadMarin Municipal Water DistrictFairfaxCA
      Dixon Ridge Fire RoadFrench Ranch and Roy's RedwoodsWoodacreCA
      Drakes Head TrailPoint Reyes National SeashorePoint Reyes StationCA
      Drakes View TrailPhillip Burton WildernessOlemaCA
      Drown Road TrailMarin HeadlandsSausalitoCA
      Dry CreekLake SonomaGeyservilleCA
      Duxbury ReefPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Eagle RimMount BurdellNovatoCA
      Earthquake TrailPoint Reyes National SeashorePoint Reyes StationCAhikehike
      EchoChina CampSan RafaelCA
      Education CenterPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Education CenterPoint Reyes National SeashorePoint Reyes StationCAhikehike
      EldridgeJack London State Historic ParkSanta RosaCAmtbmtb
      Eldridge GradeMarin Municipal Water DistrictFairfaxCA
      ElephantLake SonomaGeyservilleCA
      Elinor Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      Endor (Flow Trail)TamaranchoFairfaxCAmtbmtb
      Escalon Fire RoadCamino Alto PreserveMill ValleyCA
      EsteroPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Estero TrailPoint Reyes National SeashorePoint Reyes StationCA
      Evergreen Fire RoadBaltimore Canyon and King Mountain PreserveLarkspurCA
      Fern LakeJack London State Historic ParkSanta RosaCAmtbmtb
      Fern Lake Fire RoadJack London State Historic ParkSanta RosaCA
      Filaree TrailHelen Putnam Regional ParkPetalumaCA
      Fire Lane TrailPhillip Burton WildernessOlemaCA
      Fire RoadLake SonomaGeyservilleCA
      Fish GradeMarin Municipal Water DistrictFairfaxCA
      Freeze OutSonoma Coast State ParkOccidentalCA
      French Ranch Fire RoadFrench Ranch and Roy's RedwoodsWoodacreCA
      Full MontySonoma Coast State ParkOccidentalCA
      GlenPoint Reyes National SeashorePoint Reyes StationCA
      Glen Camp Loop (Wilderness Section)Phillip Burton WildernessOlemaCA
      Glen Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      Glenbrook TrailPhillip Burton WildernessOlemaCA
      Glenn Trail (Bear Valley to Stewart Trail)Phillip Burton WildernessOlemaCA
      Goat TrailLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCA
      Gold Hill Fire RdHarry A Barbier Memorial ParkSan RafaelCA
      Golden Gate Bridge (East)SausalitoSausalitoCA
      Golden Gate Bridge (West)SausalitoSausalitoCA
      Goldman TrailTamaranchoFairfaxCAmtbmtb
      Golf Course SingletrackCamino Alto PreserveMill ValleyCA
      Goodspeed TrailSugarloaf Ridge State ParkSanta RosaCAmtbmtb
      Grassy Knoll RoadMarin Municipal Water DistrictFairfaxCA
      Grassy SlopeMarin Municipal Water DistrictFairfaxCA
      Gravesite RoadSamuel P. Taylor State ParkLagunitas - Forest KnollsCA
      Gravity Car RoadMarin Municipal Water DistrictFairfaxCA
      Gravity ZoneStafford Lake Bike ParkNovatoCAmtbmtb
      Green Gulch ConnectorMill ValleyMill ValleyCAmtbmtb
      Greenpicker (North)Phillip Burton WildernessOlemaCA
      Greenpicker (South)Phillip Burton WildernessOlemaCA
      H-Line Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      Hacienda Fire RoadHarry A Barbier Memorial ParkSan RafaelCA
      Hairy Carey pMarin Municipal Water DistrictFairfaxCAhikehike
      Half a Canoe LoopLake SonomaGeyservilleCA
      HalloweenLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCAhikehike
      Harry Allen trailBaltimore Canyon and King Mountain PreserveLarkspurCA
      Hawk Camp TrailMarin HeadlandsSausalitoCA
      HayfieldsJack London State Historic ParkSanta RosaCAmtbmtb
      HeadhunterAnnadel State ParkSanta RosaCAmtbmtb
      Hidden ValleyPhillip Burton WildernessOlemaCA
      High Marsh TrailMarin Municipal Water DistrictFairfaxCAhikehike
      HomelessGary Giacomini PreserveWoodacreCAhikehike
      Hoo-Koo-E-KooMarin Municipal Water DistrictFairfaxCA
      Hood MountainHood Mountain Regional ParkSanta RosaCAmtbmtb
      Horse CampPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Horse CampPoint Reyes National SeashorePoint Reyes StationCAhikehike
      Horse Hill Fire RoadHorse Hill PreserveMill ValleyCA
      Horse TrailPhillip Burton WildernessOlemaCA
      Horse Trail ext.Phillip Burton WildernessOlemaCA
      Horseshoe Fire RoadBlithedale Summit Open Space PreserveLarkspurCA
      Hunt Camp (Paranickel)Gary Giacomini PreserveWoodacreCA
      Hunt Camp RoadGary Giacomini PreserveWoodacreCA
      Hunters Camp RoadSonoma Coast State ParkOccidentalCAmtbmtb
      Idylberry TrailLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCA
      IdylqueenLucas, Ignacio, Loma Verde, Pacheco and Marinwood Open SpaceLucas Valley - MarinwoodCAhikehike
      Indian Beach NatureTomales Bay State ParkInvernessCAhikehike
      Indian Fire RoadMarin Municipal Water DistrictFairfaxCA
      International TrailMarin Municipal Water DistrictFairfaxCA