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Trail Conditions
  • Unknown
  • 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 Ridden Direction

The intendid direction a trail should be ridden.

  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction

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 or Major Issue / Red

  • 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 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
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Other Other
      No description for San Francisco County has been added yet! Login or register to submit one.
      Region Details
      • 1
      • 2
      • 13


      Caution on Dec 3, 2018

      Stats

      Avg Trail Rating
      Trails (view details)
      16
      Trails Mountain Bike
      16
      Trails Hike
      16
      Trails Trail Running
      16
      Total Distance
      7 miles
      Total Descent Distance
      4 miles
      Total Descent
      2,390 ft
      Total Vertical
      883 ft
      Highest Trailhead
      960 ft
      Reports
      38
      Photos
      7
      Ridden Counter
      1,059

      Photos of San Francisco County Mountain Bike

      5 |
      Oct 3, 2018 @ 1:29pm
      Oct 3, 2018
      Clarendon Connector, My City
      23 |
      May 9, 2018 @ 11:03am
      May 9, 2018
      Lower Historic Trail
      41 |
      Mar 4, 2018 @ 5:39pm
      Mar 4, 2018
      Lower Historic Trail
      178 |
      Jul 11, 2016 @ 11:19pm
      Jul 11, 2016
      North Ridge Trail, San Francisco
      more photos »

      Videos of San Francisco County Mountain Bike

      Epic Trails with Patsquatch
      5:31 | 247 | Feb 4, 2011
      youtuber Searching for San Francisco singletrack
      14:27 | 137 | May 16, 2018 , San Francisco
      more videos »

      San Francisco County Mountain Bike Routes

      titleratingdistance
      Mount Sutro Loop
      2 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1035606norcalspeeddemontrailLower Historic TrailWatch out for hikers on this descent
      Jun 13, 2017 @ 7:31am
      Jun 13, 2017
      user #1035606norcalspeeddemontrailHistoric TrailIf you want to catch some adrenaline in the...
      Jun 13, 2017 @ 7:30am
      Jun 13, 2017
      user #1035606norcalspeeddemontrailGardener's TrailAwesome quick descent to the next trail
      Jun 13, 2017 @ 7:29am
      Jun 13, 2017
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1322757NjgilliganaddridelogJan 18, 2019 ride log
      Jan 18, 2019 @ 5:21pm
      7 hours
      user #1200675thebooshaddridelogJan 16, 2019 ride log
      Jan 16, 2019 @ 11:30am
      3 days
      user #1243063hpitts87addridelogJan 16, 2019 ride log
      Jan 16, 2019 @ 10:46am
      3 days
      user #1243063hpitts87addridelogJan 12, 2019 ride log
      Jan 15, 2019 @ 11:41am
      Jan 15, 2019
      user #1387260caetiefishaddridelogJan 15, 2019 ride log
      Jan 15, 2019 @ 7:31am
      Jan 15, 2019
      view more »
      • By markholloway TFADMIN Plus & contributors
      • Admins: ericfoltz, jpmcghee, SFUR
      • #13925 - 579 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for San Francisco County.
      You must login to download files.