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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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      362 trails
      titleriding areacityprovactivitytypeactivitytype
      680Big Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      7 Eleven Trail pChina CampSan RafaelCAhikehike
      Abbotts Lagoon TrailPoint Reyes StationCAhikehike
      Access TrailStafford Lake Bike ParkNovatoCAmtbmtb
      AlameaPhillip Burton WildernessCAhikehike
      Alamere FallsPoint Reyes StationCAhikehike
      Alchemist TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Alice Eastwood RoadMount Tamalpais State ParkMill ValleyCA
      Alpine TrailMount Tamalpais State ParkMill ValleyCA
      Alta TrailMarin HeadlandsSausalitoCA
      Ancient RedwoodJack London State Historic ParkSanta RosaCAmtbmtb
      Apple TreeJack London State Historic ParkSanta RosaCAmtbmtb
      Apricot TreeJack London State Historic ParkSanta RosaCAmtbmtb
      Aquinas Road ConnectorChina CampSan RafaelCAmtbmtb
      Arroyo TrailPetalumaPetalumaCA
      Arroyo TrailheadHelen Putnam Regional ParkPetalumaCA
      Arturo TrailMount Tamalpais State ParkMill ValleyCA
      Asbury Creek TrailJack London State Historic ParkSanta RosaCA
      Azalea Meadow TrailFairfaxCAhikehike
      B-17 ExtensionTamarancho / West Marin / North TamFairfaxCAmtbmtb
      B-17 TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Baby Crack pMount Tamalpais State ParkMill ValleyCAhikehike
      Back Ranch Fire TrailChina CampSan RafaelCAmtbmtb
      Baldy TrailPhillip Burton WildernessCAhikehike
      Barnabe Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Barnabe Mountain Fire RoadWoodacreCA
      Bay Area Ridge TrailHelen Putnam Regional ParkPetalumaCA
      Bay Hills DriveChina CampSan RafaelCAmtbmtb
      Bay TrailJack London State Historic ParkSanta RosaCAmtbmtb
      Bay View TrailChina CampSan RafaelCAmtbmtb
      Bayview TrailPhillip Burton WildernessCAhikehike
      Beach AccessPoint Reyes StationCAhikehike
      Bear Valley Fire RdPoint Reyes National SeashorePoint Reyes StationCA
      Benstein TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      Big Rock Ridge Fire RoadBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      Big Rock TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      Bill's TrailTamarancho / West Marin / North TamFairfaxCA
      Blackstone Canyon pBig Rock / Lucas ValleyLucas Valley - MarinwoodCAhikehike
      Blithedale Ridge Fire RoadKentfieldKentfieldCAmtbmtb
      Blitzkrieg pMount Tamalpais State ParkMill ValleyCAhikehike
      Blue Ridge Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Blue Ridge Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Blue Ridge Fire Road (No Bikes)Tamarancho / West Marin / North TamFairfaxCAmtbmtb
      Bob Middagh TrailMount Tamalpais State ParkMill ValleyCA
      Bobcat TrailMarin HeadlandsSausalitoCAmtbmtb
      Bolema TrailPhillip Burton WildernessCAhikehike
      Bolinas RidgeTamarancho / West Marin / North TamFairfaxCA
      Bolinas Ridge TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      Bon Tempe Dam RdTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Bootjack TrailMount Tamalpais State ParkMill ValleyCAhikehike
      Boulder Springs TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Broken Dam TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      BucklinPhillip Burton WildernessCAhikehike
      Bullfrog ConnectorTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Bullpoint TrailPoint Reyes StationCAhikehike
      Burdell ClimbNovatoCAmtbmtb
      Burdell Climb 2NovatoCAmtbmtb
      Burdell Fire Road ShortcutNovatoCAmtbmtb
      Camino Alto Fire RoadMount Tamalpais State ParkMill ValleyCA
      Camp ViaJack London State Historic ParkSanta RosaCAmtbmtb
      CanaryChina CampSan RafaelCAmtbmtb
      Canary ConnectorChina CampSan RafaelCAmtbmtb
      Candelero Canyon (Madrone Arches)Tamarancho / West Marin / North TamFairfaxCAmtbmtb
      Carolyn Day TrailJack London State Historic ParkSanta RosaCAmtbmtb
      Cataract TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      CaterpillarTamarancho / West Marin / North TamFairfaxCAhikehike
      Cattail TrailHelen Putnam Regional ParkPetalumaCAhikehike
      Checker LilyJack London State Historic ParkSanta RosaCAmtbmtb
      Chicken Shack Fire RoadLucas Valley - MarinwoodCAmtbmtb
      Chimney RockPoint Reyes StationCAhikehike
      Coast Trail (Point Reyes)Phillip Burton WildernessCAhikehike
      Coast View TrailMount Tamalpais State ParkMill ValleyCA
      Coastal (Muir Beach - Coyote Ridge)Marin HeadlandsSausalitoCAmtbmtb
      Coastal (Tennessee Valley - Coyote Ridge)Marin HeadlandsSausalitoCAmtbmtb
      Coastal Trail (Conzelman/Bunker)Marin HeadlandsSausalitoCAmtbmtb
      Coastal Trail (Rodeo Beach area)Marin HeadlandsSausalitoCA
      Coastal Trail (to Hill 88)Marin HeadlandsSausalitoCA
      Concrete Pipe RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Conifer Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Contour TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Coon TrapJack London State Historic ParkSanta RosaCAmtbmtb
      Corte Madera Creek PathKentfieldKentfieldCAmtbmtb
      Corte Madera Ridge Fire RoadMount Tamalpais State ParkMill ValleyCA
      Coyote RidgeMarin HeadlandsSausalitoCAmtbmtb
      Creekside Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Cross Country Boys TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      Cross Marin Trail (Bike Path)Tamarancho / West Marin / North TamFairfaxCAmtbmtb
      Crystal Lake TrailPhillip Burton WildernessCAhikehike
      Dan's Fire RoadMarin CountyLagunitas - Forest KnollsCAmtbmtb
      Dead Heifer RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Deer Park Fire RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Deer Park FireroadMarin CountyTamalpais - Homestead ValleyCAmtbmtb
      Deer Point RoadPoint Reyes StationCAmtbmtb
      Del Casa Fire RoadMount Tamalpais State ParkMill ValleyCA
      Devil's Gulch Fire RoadMarin CountyCAmtbmtb
      Dias Ridge TrailMount Tamalpais State ParkMill ValleyCA
      Diblee RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Dixon Ridge Fire RoadMarin CountyLagunitas - Forest KnollsCA
      Drakes Head TrailPoint Reyes National SeashorePoint Reyes StationCAmtbmtb
      Drakes View TrailPhillip Burton WildernessCAhikehike
      Drown Road TrailMarin HeadlandsSausalitoCA
      Duxbury ReefPoint Reyes StationCAhikehike
      Eagle RimMarin County Open Space: Rush CreekNovatoCAmtbmtb
      Earthquake TrailPoint Reyes StationCAhikehike
      EchoChina CampSan RafaelCAmtbmtb
      Education CenterPoint Reyes StationCAhikehike
      Education CenterPoint Reyes StationCAhikehike
      EldridgeJack London State Historic ParkSanta RosaCAmtbmtb
      Eldridge GradeMill ValleyCA
      Elinor Fire RoadMount Tamalpais State ParkMill ValleyCA
      Endor (Flow Trail)Tamarancho / West Marin / North TamFairfaxCAmtbmtb
      Escalon Fire RoadMount Tamalpais State ParkMill ValleyCA
      EsteroPoint Reyes StationCAhikehike
      Estero TrailPoint Reyes StationCA
      Evergreen Fire RoadKentfieldKentfieldCAmtbmtb
      Fairfax Ridge RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      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 WildernessCAhikehike
      Fish GulchTamarancho / West Marin / North TamFairfaxCA
      French Ranch Fire RoadWoodacreCAmtbmtb
      GlenPoint Reyes StationCAhikehike
      Glen Camp LoopPhillip Burton WildernessCAhikehike
      Glen Fire RoadMount Tamalpais State ParkMill ValleyCA
      Glenbrook TrailPhillip Burton WildernessCAhikehike
      Glenn Trail (Bear Valley to Stewart Trail)Phillip Burton WildernessCAhikehike
      Goat TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCA
      Gold Hill Fire RdChina CampSan RafaelCAmtbmtb
      Gold Hill Fire TrailChina CampSan RafaelCA
      Golden Gate Bridge (East)SausalitoCA
      Golden Gate Bridge (West)SausalitoCA
      Goldman TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Golf Course SingletrackMount Tamalpais State ParkMill ValleyCA
      Grassy Knoll RoadWoodacreCAmtbmtb
      Grassy Slope OverlookTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Gravity Car RoadMount Tamalpais State ParkMill ValleyCA
      Gravity ZoneStafford Lake Bike ParkNovatoCAmtbmtb
      Green Gulch ConnectorMill ValleyCAmtbmtb
      Greenpicker (North)Phillip Burton WildernessLagunitas - Forest KnollsCAhikehike
      Greenpicker (South)Phillip Burton WildernessCAhikehike
      H-Line Fire RoadMount Tamalpais State ParkMill ValleyCA
      Hacienda Fire RoadChina CampSan RafaelCAmtbmtb
      Hairy Carey pTamarancho / West Marin / North TamFairfaxCAhikehike
      HalloweenBig Rock / Lucas ValleyLucas Valley - MarinwoodCAhikehike
      Harry Allen trailMount Tamalpais State ParkMill ValleyCA
      Hawk Camp TrailMarin HeadlandsSausalitoCA
      HayfieldsJack London State Historic ParkSanta RosaCAmtbmtb
      Hidden ValleyPhillip Burton WildernessCAhikehike
      High Marsh TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      HomelessTamarancho / West Marin / North TamFairfaxCAhikehike
      Hoo-Koo-E-KooMill ValleyCAmtbmtb
      Horse CampPoint Reyes StationCAhikehike
      Horse CampPoint Reyes StationCAhikehike
      Horse Hill Fire RoadMount Tamalpais State ParkMill ValleyCA
      Horse TrailPhillip Burton WildernessCAhikehike
      Horse Trail ext.Phillip Burton WildernessCAhikehike
      Horseshoe Fire RoadKentfieldKentfieldCAmtbmtb
      Hunt Camp RoadTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Idylberry TrailBig Rock / Lucas ValleyLucas Valley - MarinwoodCA
      Indian Beach NaturePoint Reyes StationCAhikehike
      Indian Fire RoadMill ValleyCA
      International TrailMount Tamalpais State ParkMill ValleyCA
      Inverness Ridge TrailPoint Reyes National SeashorePoint Reyes StationCAmtbmtb
      JCC pChina CampSan RafaelCAhikehike
      Jewell TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Johnstone TrailTomales Bay State ParkInvernessCAhikehike
      JT HowellChina CampSan RafaelCAmtbmtb
      Kehoe BeachPoint Reyes StationCAhikehike
      Kent Pump RdTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Kent TrailTamarancho / West Marin / North TamFairfaxCAhikehike
      Kid's Flow TrailStafford Lake Bike ParkNovatoCAmtbmtb
      Kirby Cove RoadSausalitoCAmtbmtb
      Kule LokloPoint Reyes StationCAhikehike
      Kule LokloPoint Reyes StationCAhikehike
      Lagoon Fire RdTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Laguna TrailPhillip Burton WildernessCAhikehike
      Lagunitas TrailTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Lake Lagunitas Dam Rd.Tamarancho / West Marin / North TamFairfaxCAmtbmtb
      Lake Ranch TrailPhillip Burton WildernessCAhikehike
      Lake Service RoadJack London State Historic ParkSanta RosaCA
      Lakeview Fire RdTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Laurel Dell Fire RdTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Limantour SpitPhillip Burton WildernessCAhikehike
      Little Cat Fire RoadLucas Valley - MarinwoodCAmtbmtb
      Loma Alta Fire Rd.Big Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      Lower NorthsideTamarancho / West Marin / North TamFairfaxCAhikehike
      Lower Peter's DamWoodacreCAmtbmtb
      Lower Shaver GradeTamarancho / West Marin / North TamFairfaxCAmtbmtb
      Lower Summit Fire RoadMount Tamalpais State ParkMill ValleyCA
      Luiz Fire RoadBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      Luiz Ranch Fire roadBig Rock / Lucas ValleyLucas Valley - MarinwoodCAmtbmtb
      Manzanita Fire RoadWoodacreCAmtbmtb
      Marincello Singletrack ConnectorMarin HeadlandsSausalitoCAmtbmtb
      Marincello TrailMarin HeadlandsSausalitoCAmtbmtb
      Marshall Beach RoadPoint Reyes National SeashorePoint Reyes StationCA
      Matt Davis TrailMount Tamalpais State ParkMill ValleyCA
      McClures Beach TrailPoint Reyes StationCAhikehike
      McCurdy TrailWoodacreCAmtbmtb
      McNears Fire TrailChina CampSan RafaelCAmtbmtb
      Displaying 1 - 200 of 362