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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
      • 65
      • 16
      • 772
      • 22
      • 13
      • 5
      • 1

      Stats

      Avg Trail Rating
      Trails (view details)
      1,244
      Trails Mountain Bike
      907
      Trails E-Bike
      59
      Trails Horse
      1
      Trails Hike
      1,304
      Trails Trail Running
      1,296
      Total Distance
      209 miles
      Total Descent
      17,229 ft
      Total Vertical
      920 ft
      Highest Trailhead
      924 ft
      Reports
      939
      Photos
      88
      Ridden Counter
      117,502

      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
      Battery East Road
      San Francisco County
      Crissy Field Avenue
      San Francisco
      Panhandle Trail (North)
      Golden Gate Park
      Lincoln Trail
      The Presidio of San Francisco
      Arguello Boulevard
      San Francisco
      Arguello Boulevard Trail (West)
      San Francisco
      Portola Trail
      San Francisco Twin Peaks
      Washington Boulevard Trail
      The Presidio of San Francisco
      Phil Arnold Trail
      Golden Gate Park
      Aquatic Park Cove Trail
      The Presidio of San Francisco
      Arguello Boulevard Trail (East)
      San Francisco
      South Ridge Trail
      Mount Sutro Open Space Reserve
      Historic Trail - Lower
      Mount Sutro Open Space Reserve
      Fairy Gates Trail
      Mount Sutro Open Space Reserve
      Clarendon 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
      twin peaks from parking
      San Francisco Twin Peaks
      6 miles
      GGP Trails Pilot: The Dirt Trails 2
      Golden Gate Park
      5 miles
      Laguna Honda - Downhill
      Twin Peaks
      2 miles
      Mount Sutro to Twin Peaks
      Mount Sutro Open Space Reserve
      4 miles
      Marin Gravel Loop
      Golden Gate Park
      31 miles
      Lake Merced Loop
      Lake Merced Park
      5 miles

      Recent Ride Log Activity in Region

      Today
      • 57 rides
      Yesterday
      • 42 rides
      Past Week
      • 316 rides

      Photos of San Francisco County Mountain Bike

      23 |
      Oct 8, 2024 @ 1:31pm
      Oct 8, 2024
      20 |
      Oct 8, 2024 @ 1:26pm
      Oct 8, 2024
      31 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      17 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      17 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      23 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      trail: Coastal Trail
      21 |
      Jul 20, 2024 @ 9:48am
      Jul 20, 2024
      trail: Coastal Trail
      32 |
      Jul 14, 2024 @ 1:32pm
      Jul 14, 2024

      Videos of San Francisco County Mountain Bike

      Fairy Gates DH
      0:00 | 367 | Dec 5, 2022
      Upper Historic DH
      2:26 | 77 | Nov 2, 2022
      0:00 | | Jul 29, 2022
      0:00 | | Jul 29, 2022
      McLaren Jumps
      0:20 | 118 | May 20, 2022
      twin peaks dh with lewis?!?! #crash #mtb...
      0:29 | 53 | Jul 23, 2024 , San Francisco
      Epic Trails with Patsquatch
      5:31 | 398 | Feb 4, 2011
      San Francisco ❱ Mount Sutro ❱ West Ridge...
      0:55 | 716 | Apr 21, 2022 , San Francisco

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      justinsvegliatowishlistrouteactivity #75438694
      Jul 7, 2025 @ 10:45pm
      1 day
      char3435addtrailactivity #75110788
      Jul 3, 2025 @ 12:32pm
      Jul 3, 2025
      gagecanewishlistrouteactivity #75097749
      Jul 3, 2025 @ 9:34am
      Jul 3, 2025
      MjrITWwishlisttrailactivity #75075079
      Jul 3, 2025 @ 12:19am
      Jul 3, 2025
      birdsofafeather24votetrailactivity #74834368
      Jun 29, 2025 @ 11:15am
      Jun 29, 2025

      Recent Comments

      usernametypetitlecommentdate
      i6rk9wtrailWest Ridge TrailDirt is nice and dry right now, unfortunately...
      Mar 8, 2025 @ 7:55pm
      Mar 8, 2025
      dstark70sfreportTroop 88Trailhead is destroyed and impassable at 7th...
      Mar 7, 2025 @ 10:13pm
      Mar 7, 2025
      MarclF7s78trailMountain Lake TrailSome fun little root jumps on the way down
      Feb 28, 2025 @ 6:10pm
      Feb 28, 2025
      justridingalong1trailWest Ridge TrailSad that the first rocky section is gone, but...
      Feb 14, 2025 @ 3:36pm
      Feb 14, 2025
      egodeathmetaltrailChristopher TrailStill closed
      Jan 7, 2025 @ 7:30pm
      Jan 7, 2025

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike904176 miles13,622 ft66 miles909 ft
      839403776,336
      E-Bike5929 miles1,522 ft8 miles850 ft
      7444,234
      Horse1
      341
      Hike1,303209 miles17,103 ft77 miles922 ft
      2939763,908
      Trail Running1,296207 miles17,080 ft77 miles922 ft
      39377326,344
      • By markhollowayTF Pro Trailforks Map Team & contributors
      • Admins: jpmcghee, sanfret, brianpetry, SFUR
      • #13925 - 3,447 views

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