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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
      No description for San Francisco County has been added yet! Login or register to submit one.
      Region Details
      • 4
      • 13
      • 12
      • 1

      Region Status
      Caution as of Oct 18, 2019

      Stats

      Avg Trail Rating
      Trails (view details)
      30
      Trails Mountain Bike
      33
      Trails E-Bike
      1
      Trails Hike
      33
      Trails Trail Running
      33
      Total Distance
      16 miles
      Total Descent
      4,245 ft
      Total Vertical
      938 ft
      Highest Trailhead
      960 ft
      Reports
      197
      Photos
      10
      Ridden Counter
      3,182

      Popular San Francisco County Mountain Biking Trails

      statustitledifficultyrating
      Lower Historic Trail
      Mount Sutro Open Space Reserve
      South Ridge Trail
      Mount Sutro Open Space Reserve
      Edgewood Trail
      Mount Sutro Open Space Reserve
      Gardener's Trail
      Mount Sutro Open Space Reserve
      Fairy Gates Trail
      Mount Sutro Open Space Reserve
      North Ridge Trail
      Mount Sutro Open Space Reserve
      Historic Trail
      Mount Sutro Open Space Reserve
      Mystery Trail
      Mount Sutro Open Space Reserve
      Portola Trail
      San Francisco
      East Ridge Trail
      Mount Sutro Open Space Reserve
      Twin Peaks Reservoir Connector
      Mount Sutro Open Space Reserve
      Phil Arnold Trail
      Golden Gate Park
      GGP Panhandle MUP
      Golden Gate Park
      Clarendon Connector
      Mount Sutro Open Space Reserve
      Sutro Tower / Summit Reservoir Connector
      Mount Sutro Open Space Reserve

      San Francisco County Mountain Bike Routes

      titleratingdistance
      GGP Trails Pilot: The Dirt Trails
      Golden Gate Park
      4 miles
      Mount Sutro Loop
      Mount Sutro Open Space Reserve
      2 miles

      Recent Ridelog Activity in Region

      Today
      • 19 rides
      • 8 miles avg distance
      Yesterday
      • 23 rides
      • 9 miles avg distance
      Past Week
      • 153 rides
      • 9 miles avg distance

      Photos of San Francisco County Mountain Bike

      4 |
      Sep 23, 2019 @ 7:50am
      Sep 23, 2019
      7 |
      Sep 23, 2019 @ 7:50am
      Sep 23, 2019
      0 |
      Mar 6, 2019 @ 3:51pm
      Mar 6, 2019
      29 |
      Oct 3, 2018 @ 1:29pm
      Oct 3, 2018

      Videos of San Francisco County Mountain Bike

      Epic Trails with Patsquatch
      5:31 | 273 | Feb 4, 2011
      Solo POV: Laguna Honda & Bedpans Trails in...
      trail: Troop 88
      4:17 | 50 | Jul 19, 2019 , San Francisco
      Mt Sutro Ripper (2K)
      8:02 | 34 | Jul 19, 2019 , San Francisco
      Maclaren Bikepark Pumptrack w/ Gravel Bike
      0:46 | 34 | Apr 19, 2019

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1904128santacruuuzaddreportGardener's Trail
      Oct 18, 2019 @ 11:09pm
      Oct 18, 2019
      user #1944719DigitalTrunkswishlisttrailGolden Gate Park MUP
      Oct 14, 2019 @ 11:15pm
      Oct 14, 2019
      user #1848487florihupfvotetrailGardener's Trail and 1 more
      Oct 11, 2019 @ 12:58pm
      Oct 11, 2019
      user #1848487florihupfaddreportMystery Trail
      Oct 11, 2019 @ 12:57pm
      Oct 11, 2019
      user #1848487florihupfcommenttrailGardener's Trail
      Oct 11, 2019 @ 11:17am
      Oct 11, 2019

      Recent Comments

      usernametypetitlecommentdate
      user #1848487florihupftrailGardener's TrailThis is a great, small trail section!
      Oct 11, 2019 @ 11:17am
      Oct 11, 2019
      user #1859686baconpiggietrailGardener's TrailBeware poison oak and blackberry brambles...
      Sep 22, 2019 @ 7:28pm
      Sep 22, 2019
      user #1615555UpescalatortrailGGP Lincoln TrailA few sections are too sandy to ride (at least...
      Aug 14, 2019 @ 12:14pm
      Aug 14, 2019
      user #114850pistol2netrailGGP Lincoln TrailGreat cyclocross trail for out and backs
      Jun 27, 2019 @ 10:47pm
      Jun 27, 2019
      user #521319laBoeuftrailSutro Tower / Summit Reservoir ConnectorOvergrown with spikeys and has a downed tree...
      May 4, 2019 @ 2:58pm
      May 4, 2019

      Local Badges

      • By markholloway Trailforks Plus & contributors
      • Admins: CAMTB, ericfoltz, jpmcghee, brianpetry, SFUR
      • #13925 - 752 views
      • san francisco county activity log | embed map of San Francisco County mountain bike trails | san francisco county mountain biking points of interest
      • subscribe 3d map donate to earn trail karma!

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