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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
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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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      No description for San Francisco Bay Area has been added yet! Login or register to submit one.
      Region Details
      • 715
      • 100
      • 1,869
      • 922
      • 241
      • 27
      • 5

      Stats

      Avg Trail Rating
      Trails (view details)
      4,962
      Trails Mountain Bike
      3,891
      Trails E-Bike
      771
      Trails Horse
      513
      Trails Hike
      4,845
      Trails Trail Running
      4,818
      Trails Dirtbike/Moto
      23
      Trails Observed Trials
      5
      Trails ATV/ORV/OHV
      2
      Trails Snowmobile
      1
      Trails Snowshoe
      2
      Trails Downhill Ski
      2
      Trails Backcountry Ski
      2
      Trails Nordic Ski
      4
      Total Distance
      4,328 miles
      Total Descent
      827,516 ft
      Total Vertical
      4,313 ft
      Highest Trailhead
      4,314 ft
      Reports
      26,830
      Photos
      6,412
      Ridden Counter
      557,127

      Outside Logo Articles

      Recommended Routes: Los Gatos, California - CyclingTips
      Mar 30, 2021 from cyclingtips.com
      There is no excerpt because this is a protected post.
      The 5 Best New Thru-Hikes to Start Planning Now
      Jan 4, 2022 from backpacker.com
      Start planning to hike these in-progress U.S. trails in 2022.
      Registration Opens For 2022 BetterRide Skills Courses
      Dec 29, 2021 from pinkbike.com
      Three-day coaching courses in Nevada, Colorado, Utah, Arizona, and more.
      Sub Regions

      Popular San Francisco Bay Area Mountain Biking Trails

      statustitledifficultyrating
      B-17 Trail
      Tamarancho / West Marin / North Tam
      Endor (Flow Trail)
      Tamarancho / West Marin / North Tam
      Alchemist Trail
      Tamarancho / West Marin / North Tam
      Broken Dam Trail
      Tamarancho / West Marin / North Tam
      B-17 Extension
      Tamarancho / West Marin / North Tam
      Serpentine Trail
      Tamarancho / West Marin / North Tam
      Wagon Wheel Trail
      Tamarancho / West Marin / North Tam
      Golden Gate Bridge (West)
      Sausalito
      Oak Ridge
      China Camp
      Cinderella
      Joaquin Miller Park (JMP)
      Battery East Road
      Sausalito
      Bay View Trail
      China Camp
      San Pedro Mountain Crest
      Montara
      Sierra Morena Trail
      El Corte de Madera Creek Open Space Preserve
      Crossover
      El Corte de Madera Creek Open Space Preserve

      San Francisco Bay Area Mountain Bike Routes

      titleratingdistance
      Tamarancho Maiden Ride
      Tamarancho / West Marin / North Tam
      14 miles
      Calero Loop
      Calero County Park
      7 miles
      Calero Park Loop
      Calero County Park
      9 miles
      Waterdog Complete Loop
      Waterdog Lake Park
      7 miles
      Ride the Crockett Hills
      Crockett Hills Regional Park
      13 miles
      China Camp dark
      China Camp
      13 miles
      Skegg's Point 7
      Redwood City
      10 miles
      Arastradero Sampler
      Arastradero Preserve
      7 miles
      Canyon/Marsh/SBurma
      Annadel State Park
      9 miles
      san vicente
      Calero County Park
      10 miles

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 55 rides
      Past Week
      • 2,937 rides

      Photos of San Francisco Bay Area Mountain Bike

      trail: Cobblestone
      422 |
      Jul 5, 2016 @ 6:13pm
      Jul 5, 2016
      1,815 |
      Feb 6, 2015 @ 9:41am
      Feb 6, 2015
      | 5 comments
      1,105 |
      Feb 6, 2015 @ 9:39am
      Feb 6, 2015
      1,207 |
      Aug 14, 2014 @ 7:29pm
      Aug 14, 2014
      | 1 comments
      160 |
      Jul 27, 2014 @ 8:57pm
      Jul 27, 2014
      trail: Cobblestone
      721 |
      Jan 1, 2013 @ 4:50pm
      Jan 1, 2013
      trail: DMC
      1,121 |
      Dec 27, 2010 @ 2:06am
      Dec 27, 2010
      | 5 comments
      trail: DMC
      663 |
      Oct 25, 2009 @ 9:36am
      Oct 25, 2009
      | 4 comments

      Videos of San Francisco Bay Area Mountain Bike

      Small Rock Drop on the Capra MkIII
      trail: Blue Post
      | Feb 7, 2024
      Second Sharp corner on Middle Z
      trail: The Dragon
      | Feb 7, 2024
      Hucksgiving clip
      20 | Jan 17, 2024
      Graveyard Winter 2023
      trail: Graveyard
      4 | Jan 10, 2024
      Annadel Rock Pile
      trail: Rough Go
      14 | Dec 5, 2023
      5 | Dec 3, 2023
      Pacifica Step Up
      72 | Nov 27, 2023
      top of Boyscout
      | Oct 28, 2023

      Current Trail Warnings

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      scottsburghwishlistregionactivity #49654369
      Mar 1, 2024 @ 11:42am
      57 mins
      Hitchc21wishlistrouteactivity #49652445
      Feb 29, 2024 @ 7:14pm
      17 hours
      Csattlerwishlistregionactivity #49646760
      Feb 29, 2024 @ 2:12pm
      22 hours
      BenWwV4uxriddentrailactivity #49646435 and 6 more
      Feb 29, 2024 @ 1:09pm
      23 hours
      BenWwV4uxriddentrailactivity #49646421 and 2 more
      Feb 29, 2024 @ 1:05pm
      24 hours

      Recent Comments

      usernametypetitlecommentdate
      dtdanielstrailTafoni (Lower)Kind of a slog going up, but it seemed quicker...
      Feb 29, 2024 @ 11:25am
      1 day
      dtdanielstrailNorth LeafI climbed this for some reason and it was...
      Feb 29, 2024 @ 11:23am
      1 day
      dtdanielstrailGiant SalamanderFun trail and in a deeper section of the...
      Feb 29, 2024 @ 11:22am
      1 day
      dtdanielstrailBlue BlossomGood beginner/intermediate trail with more...
      Feb 29, 2024 @ 11:21am
      1 day
      dtdanielstrailOljonFlowy, but doesn't have a ton of sustained...
      Feb 29, 2024 @ 11:20am
      1 day

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike3,8843,445 miles624,062 ft1,497 mile4,314 ft
      6,18826,786428820,684
      E-Bike771915 miles154,787 ft386 miles4,137 ft
      5622,7215753,470
      Horse513643 miles125,738 ft291 miles4,137 ft
      3,9901531
      Hike4,8454,258 miles803,904 ft1,867 mile4,314 ft
      14126,54921343,972
      Trail Running4,8184,239 miles794,918 ft1,856 mile4,314 ft
      1026,54620637,577
      Dirtbike/Moto2310 miles1,949 ft5 miles1,309 ft
      3,6123143
      Observed Trials53 miles617 ft2 miles1,135 ft
      235118
      ATV/ORV/OHV24,144 ft174 ft2,037 ft1,135 ft
      3,61259
      Snowmobile13,944 ft171 ft1,939 ft256 ft
      1619
      Snowshoe24,144 ft174 ft2,037 ft1,135 ft
      1130
      Downhill Ski24,144 ft174 ft2,037 ft1,135 ft
      1252
      Backcountry Ski24,144 ft174 ft2,037 ft1,135 ft
      1136
      Nordic Ski43 miles285 ft4,485 ft2,575 ft
      1284
      • By canadaka Trailforks & contributors
      • Admins: CAMTB, ericfoltz, Redhawk, jpmcghee, sanfret, brianpetry, maddy03, spokesmanmtb
      • #7857 - 52,753 views
      • san francisco bay area activity log | embed map of San Francisco Bay Area mountain bike trails | san francisco bay area mountain biking points of interest polygons

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