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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 County has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 64
      • 16
      • 769
      • 19
      • 13
      • 5
      • 1

      Stats

      Avg Trail Rating
      Trails (view details)
      1,237
      Trails Mountain Bike
      890
      Trails E-Bike
      58
      Trails Hike
      1,239
      Trails Trail Running
      1,231
      Total Distance
      209 miles
      Total Descent
      17,229 ft
      Total Vertical
      920 ft
      Highest Trailhead
      924 ft
      Reports
      868
      Photos
      71
      Ridden Counter
      83,715

      Outside Logo Articles

      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.

      Popular San Francisco County Mountain Biking Trails

      statustitledifficultyrating
      Crissy Field Avenue
      San Francisco
      Panhandle Trail (North)
      Golden Gate Park
      Lincoln Trail
      The Presidio of San Francisco
      Portola Trail
      San Francisco Twin Peaks
      Phil Arnold Trail
      Golden Gate Park
      Arguello Boulevard
      San Francisco
      Arguello Boulevard Trail (West)
      San Francisco
      South Ridge Trail
      Mount Sutro Open Space Reserve
      Washington Boulevard Trail
      The Presidio of San Francisco
      Historic Trail
      Mount Sutro Open Space Reserve
      Fairy Gates Trail
      Mount Sutro Open Space Reserve
      Noe Peak West
      San Francisco Twin Peaks
      Clarendon Trail
      Mount Sutro Open Space Reserve
      Historic Trail
      Mount Sutro Open Space Reserve
      Mystery Trail
      Mount Sutro Open Space Reserve

      San Francisco County Mountain Bike Routes

      titleratingdistance
      Best Of Twin Peaks > Mt.Sutro > Laguna Honda Trail Systems
      Laguna Honda Community Trail System
      8 miles
      Sutro Sample
      Mount Sutro Open Space Reserve
      7 miles
      GGP Trails Pilot: The Dirt Trails
      Golden Gate Park
      4 miles
      Twin Peaks
      San Francisco Twin Peaks
      2 miles
      GGP Trails Pilot: The Dirt Trails 2
      Golden Gate Park
      5 miles
      Laguna Honda - Downhill
      Twin Peaks
      2 miles
      Laguna Honda - Mt. Sutro - Twin Peaks Loop
      Laguna Honda Community Trail System
      6 miles
      Mount Sutro to Twin Peaks
      Mount Sutro Open Space Reserve
      4 miles
      San Francisco Enduro 2023 (De)Tour
      Mount Sutro Open Space Reserve
      13 miles
      San Francisco Peaks Tour
      Laguna Honda Community Trail System
      8 miles

      Recent Ride Log Activity in Region

      Today
      • 18 rides
      Yesterday
      • 32 rides
      Past Week
      • 349 rides

      Photos of San Francisco County Mountain Bike

      trail: Crissy Field
      1 |
      Jul 19, 2024 @ 6:06pm
      2 days
      trail: Crissy Field
      0 |
      Jul 19, 2024 @ 6:06pm
      2 days
      8 |
      Jun 16, 2023 @ 3:32pm
      Jun 16, 2023
      6 |
      Jun 16, 2023 @ 3:19pm
      Jun 16, 2023
      15 |
      Jun 16, 2023 @ 3:19pm
      Jun 16, 2023
      6 |
      Jun 15, 2023 @ 5:52pm
      Jun 15, 2023
      6 |
      Jun 15, 2023 @ 5:52pm
      Jun 15, 2023
      10 |
      Jun 15, 2023 @ 5:48pm
      Jun 15, 2023

      Videos of San Francisco County Mountain Bike

      Fairy Gates DH
      240 | Dec 5, 2022
      Upper Historic DH
      59 | Nov 2, 2022
      | Jul 29, 2022
      | Jul 29, 2022
      McLaren Jumps
      107 | May 20, 2022
      Epic Trails with Patsquatch
      5:31 | 393 | Feb 4, 2011
      San Francisco ❱ Mount Sutro ❱ West Ridge...
      1:55 | 533 | Apr 21, 2022 , San Francisco
      San Francisco ❱ Ghost Trail and others ❱...
      11:55 | 424 | Apr 20, 2022 , San Francisco

      Current Trail Warnings

      statustraildateconditionuserinfo
      North Ridge Trail
      Mount Sutro Open Space Reserve
      Jul 17, 2024 @ 9:28pm
      Jul 17, 2024
      Dryjustridingalong1Per sign work on trail is now paused due...

      Recent Trail Reports

      statustraildateconditioninfouser
      Herb Caen Way
      San Francisco
      Jul 20, 2024 @ 6:04am
      2 days
      IdealTrail Running icthus13 SanFelasco
      Crissy Field Avenue
      San Francisco
      Jul 19, 2024 @ 11:11am
      2 days
      IdealPuddles!Tonymosa
      Tower Trail
      Mount Sutro Open Space Reserve
      Jul 16, 2024 @ 3:39pm
      Jul 16, 2024
      VariableOpen and rideableegodeathmetal
      Fairy Gates DH
      Mount Sutro Open Space Reserve
      Jul 16, 2024 @ 3:36pm
      Jul 16, 2024
      VariableTrail is now rideable, one some small...egodeathmetal
      Fairy Gates Trail
      Mount Sutro Open Space Reserve
      Jun 10, 2024 @ 8:22pm
      Jun 10, 2024
      IdealRocks a bit slick, hero dirtBradfordQMlEQJ
      East Ridge Trail
      Mount Sutro Open Space Reserve
      Jun 10, 2024 @ 8:21pm
      Jun 10, 2024
      IdealBradfordQMlEQJ
      Gardener's Trail
      Mount Sutro Open Space Reserve
      Jun 10, 2024 @ 8:21pm
      Jun 10, 2024
      IdealMoisture on the trails from the dog, hero...BradfordQMlEQJ
      Historic Trail
      Mount Sutro Open Space Reserve
      Jun 9, 2024 @ 5:31pm
      Jun 9, 2024
      IdealFantastic conditions, be cautious of...BradfordQMlEQJ
      South Ridge Trail
      Mount Sutro Open Space Reserve
      May 22, 2024 @ 10:06am
      May 22, 2024
      IdealSee Sutro Stewards ... have to detour via...adhchan
      Troop 88
      Laguna Honda Community Trail System
      May 22, 2024 @ 10:06am
      May 22, 2024
      IdealOvergrown - careful of poison oak.adhchan

      Activity Feed

      usernameactiontypetitledate
      icthus13addreportactivity #55955722
      Jul 20, 2024 @ 8:39pm
      23 hours
      oliver2wheelsdifficultyvotetrailactivity #55905768
      Jul 20, 2024 @ 12:18am
      2 days
      oliver2wheelsdifficultyvotetrailactivity #55905760
      Jul 20, 2024 @ 12:18am
      2 days
      oliver2wheelsdifficultyvotetrailactivity #55905717
      Jul 20, 2024 @ 12:16am
      2 days
      Tonymosaaddphotoactivity #55898044 and 1 more
      Jul 19, 2024 @ 6:06pm
      2 days

      Recent Comments

      usernametypetitlecommentdate
      justridingalong1trailNorth Ridge TrailSign at trail states work is now paused...
      Jul 17, 2024 @ 9:29pm
      Jul 17, 2024
      matthewsfurreportTower TrailFencing now posted with signs about goats....
      Jun 24, 2024 @ 3:55pm
      Jun 24, 2024
      justridingalong1trailEast Ridge TrailMakes sense thank you!
      Mar 11, 2024 @ 12:01pm
      Mar 11, 2024
      sutrostewardstrailEast Ridge TrailWe have not received official word from UC...
      Mar 11, 2024 @ 11:42am
      Mar 11, 2024
      justridingalong1trailEast Ridge TrailIs this still closed? I walked it shortly...
      Mar 10, 2024 @ 9:11am
      Mar 10, 2024

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike887176 miles13,622 ft66 miles909 ft
      688683559,866
      E-Bike5829 miles1,522 ft8 miles850 ft
      7032,742
      Hike1,239209 miles17,103 ft77 miles922 ft
      868762,631
      Trail Running1,231207 miles17,080 ft77 miles922 ft
      38677318,439
      • By markholloway Trailforks Map Team & contributors
      • Admins: CAMTB, ericfoltz, Redhawk, jpmcghee, sanfret, brianpetry, spokesmanmtb, SFUR
      • #13925 - 2,976 views

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