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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
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      No description for Mount Sutro Open Space Reserve has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 2
      • 10
      • 12
      • 3
      • 3

      Region Status
      Open as of Feb 21, 2025
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      30
      Trails Mountain Bike
      32
      Trails E-Bike
      1
      Trails Hike
      32
      Trails Trail Running
      32
      Total Distance
      4 miles
      Total Descent Distance
      3 miles
      Total Descent
      1,364 ft
      Total Vertical
      494 ft
      Highest Trailhead
      912 ft
      Reports
      414
      Photos
      35
      Ridden Counter
      9,243

      Photos of Mount Sutro Open Space Reserve Mountain Bike

      16 |
      Oct 8, 2024 @ 1:31pm
      Oct 8, 2024
      13 |
      Oct 8, 2024 @ 1:26pm
      Oct 8, 2024
      24 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      15 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      15 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      20 |
      Sep 6, 2024 @ 4:54pm
      Sep 6, 2024
      111 |
      Mar 7, 2022 @ 9:38pm
      Mar 7, 2022
      94 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022

      Videos of Mount Sutro Open Space Reserve Mountain Bike

      Fairy Gates DH
      324 | Dec 5, 2022
      Upper Historic DH
      70 | Nov 2, 2022
      | Jul 29, 2022
      | Jul 29, 2022
      Epic Trails with Patsquatch
      5:31 | 396 | Feb 4, 2011
      San Francisco ❱ Mount Sutro ❱ West Ridge...
      0:55 | 652 | Apr 21, 2022 , San Francisco
      Reservoir Connector | San Francisco ❱ Ghost...
      11:55 | 199 | Apr 20, 2022 , San Francisco
      San Francisco ❱ Ghost Trail and others ❱...
      11:55 | 444 | Apr 20, 2022 , San Francisco

      Recent Trail Reports

      statustraildateconditioninfouser
      Fairy Gates Trail
      Feb 20, 2025 @ 4:12pm
      Feb 20, 2025
      VariableFjr17
      Fairy Gates DH
      Feb 20, 2025 @ 4:12pm
      Feb 20, 2025
      IdealFjr17
      Mystery Trail
      Feb 20, 2025 @ 4:12pm
      Feb 20, 2025
      IdealFjr17
      Tower Trail
      Feb 17, 2025 @ 12:32pm
      Feb 17, 2025
      Wettree down, but able to crawl under itSdjakovi
      West Ridge Trail
      Jan 12, 2025 @ 8:52pm
      Jan 12, 2025
      Idealweirdly dry january weather has led to...lathropchung
      North Ridge Trail
      Jan 11, 2025 @ 10:31pm
      Jan 11, 2025
      Idealwell, looks like it was officially open...davecazz
      Historic Trail
      Dec 4, 2024 @ 3:57pm
      Dec 4, 2024
      IdealFjr17
      Clarendon Trail
      Dec 4, 2024 @ 3:57pm
      Dec 4, 2024
      IdealFjr17
      UCSF DH
      Nov 7, 2024 @ 4:06pm
      Nov 7, 2024
      VariableA lot of tree work done on this trail....Fjr17
      Historic Trail - Lower
      Nov 6, 2024 @ 2:05pm
      Nov 6, 2024
      IdealHike Lots of Poison Oak....Lots!j-mac5446

      Activity Feed

      usernameactiontypetitledate
      i6rk9wcommenttrailactivity #67436857
      Mar 8, 2025 @ 7:55pm
      Mar 8, 2025
      tamalotwishlisttrailactivity #67156992 and 10 more
      Mar 3, 2025 @ 8:22pm
      Mar 3, 2025
      Fjr17addreportactivity #66564612 and 2 more
      Feb 21, 2025 @ 4:55pm
      Feb 21, 2025
      Fjr17difficultyvotetrailactivity #66564488
      Feb 21, 2025 @ 4:52pm
      Feb 21, 2025
      Sdjakoviaddreportactivity #66384060
      Feb 17, 2025 @ 10:32pm
      Feb 17, 2025

      Recent Comments

      usernametypetitlecommentdate
      i6rk9wtrailWest Ridge TrailDirt is nice and dry right now, unfortunately...
      Mar 8, 2025 @ 7:55pm
      Mar 8, 2025
      justridingalong1trailWest Ridge TrailSad that the first rocky section is gone, but...
      Feb 14, 2025 @ 3:36pm
      Feb 14, 2025
      oliver2wheelstrailGardener's TrailDon't really like this trail, not that fun
      Nov 4, 2024 @ 2:47pm
      Nov 4, 2024
      BananaSlug415trailUCSF DHNew Cycling Permitted sign blocks the exit of...
      Oct 8, 2024 @ 1:10pm
      Oct 8, 2024
      lewis-mccolgantrailWest Ridge Trailin place of the first rocky face there are now...
      Oct 3, 2024 @ 10:58am
      Oct 3, 2024

      Nearby Areas

      namedistance
      San Francisco Twin Peaks 4 3 60.6 km
      Laguna Honda Community Trail System 90.7 km
      Twin Peaks 1 10.8 km
      Kite Hill 1 2 10.8 km
      Mt. Davidson1.4 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike324 miles1,365 ft3 miles495 ft
      #830#43635414715,432
      E-Bike1702 ft154 ft702 ft154 ft
      292181
      Hike324 miles1,240 ft2 miles495 ft
      #583#3664138427
      Trail Running324 miles1,240 ft2 miles495 ft
      #586#3644138826
      • By markhollowayTF Pro Trailforks Map Team & contributors
      • Admins: SFUR, SFUR
      • #13927 - 10,528 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Mount Sutro Open Space Reserve.
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