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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 Mount Sutro Open Space Reserve has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 1
      • 5
      • 10
      • 3
      • 3

      Region Status
      Caution as of Feb 10, 2024
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      22
      Trails Mountain Bike
      22
      Trails E-Bike
      1
      Trails Hike
      21
      Trails Trail Running
      21
      Total Distance
      4 miles
      Total Descent Distance
      3 miles
      Total Descent
      1,364 ft
      Total Vertical
      494 ft
      Highest Trailhead
      912 ft
      Reports
      362
      Photos
      25
      Ridden Counter
      7,675

      Photos of Mount Sutro Open Space Reserve Mountain Bike

      95 |
      Mar 7, 2022 @ 9:38pm
      Mar 7, 2022
      83 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022
      86 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022
      70 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022
      65 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022
      74 |
      Mar 7, 2022 @ 9:37pm
      Mar 7, 2022
      trail: Mystery Trail
      60 |
      Nov 21, 2021 @ 11:44am
      Nov 21, 2021
      126 |
      Jul 18, 2021 @ 2:34pm
      Jul 18, 2021

      Videos of Mount Sutro Open Space Reserve Mountain Bike

      Fairy Gates DH
      203 | Dec 5, 2022
      Upper Historic DH
      52 | Nov 2, 2022
      | Jul 29, 2022
      | Jul 29, 2022
      Epic Trails with Patsquatch
      5:31 | 392 | Feb 4, 2011
      San Francisco ❱ Mount Sutro ❱ West Ridge...
      1:55 | 425 | Apr 21, 2022 , San Francisco
      Reservoir Connector | San Francisco ❱ Ghost...
      11:55 | 122 | Apr 20, 2022 , San Francisco
      San Francisco ❱ Ghost Trail and others ❱...
      11:55 | 321 | Apr 20, 2022 , San Francisco

      Current Trail Warnings

      statustraildateconditionuserinfo
      Mystery Trail
      Feb 7, 2024 @ 5:57pm
      Feb 7, 2024
      Variablesutrostewards SFUR Access via East Ridge trail is closed
      South Ridge Trail
      Feb 7, 2024 @ 5:11pm
      Feb 7, 2024
      Unknownsutrostewards SFUR Trail impacted by downed trees, area...
      Quarry Road Trail
      Feb 7, 2024 @ 5:11pm
      Feb 7, 2024
      Unknownsutrostewards SFUR Trail impacted by downed trees, area...

      Recent Trail Reports

      statustraildateconditioninfouser
      Historic Trail
      Feb 10, 2024 @ 9:22pm
      Feb 10, 2024
      Wetlathropchung
      Nike Road
      Feb 7, 2024 @ 5:51pm
      Feb 7, 2024
      Unknown Dangerous trees cleared, so Nike Road to...sutrostewards SFUR
      Clarendon Trail
      Dec 11, 2023 @ 7:26am
      Dec 11, 2023
      Variablerjbpd6
      Historic Trail
      Dec 11, 2023 @ 7:26am
      Dec 11, 2023
      WetDamp, getting moreso once you cross...rjbpd6
      Fairy Gates Trail
      Dec 11, 2023 @ 7:26am
      Dec 11, 2023
      Variablerjbpd6
      Tower Trail
      Sep 21, 2023 @ 7:36am
      Sep 21, 2023
      WetDidn't see any ruts, but was very muddy....Lukewalnuts42
      Twin Peaks Reservoir Connector
      Aug 29, 2023 @ 10:52am
      Aug 29, 2023
      Idealfrankincense
      West Ridge Trail
      May 22, 2023 @ 8:26pm
      May 22, 2023
      Idealthe tree was cleared and the trail is...lathropchung
      Edgewood Trail
      Apr 29, 2023 @ 6:26pm
      Apr 29, 2023
      VariableEdgewood and Lower Historic trails have...sutrostewards SFUR
      Christopher Trail Loop
      Apr 12, 2023 @ 6:47pm
      Apr 12, 2023
      Idealjustridingalong1

      Activity Feed

      usernameactiontypetitledate
      Lukewalnuts42difficultyvotetrailactivity #49500219
      Feb 24, 2024 @ 10:52pm
      Feb 24, 2024
      Lukewalnuts42votetrailactivity #49500202
      Feb 24, 2024 @ 10:51pm
      Feb 24, 2024
      MrHJ5riddentrailactivity #49340447
      Feb 19, 2024 @ 9:38pm
      Feb 19, 2024
      ggNVeTwishlistrouteactivity #49338605
      Feb 19, 2024 @ 8:32pm
      Feb 19, 2024
      Glikstarwishlisttrailactivity #46867033
      Dec 2, 2023 @ 12:43am
      Dec 2, 2023

      Recent Comments

      usernametypetitlecommentdate
      justridingalong1trailNorth Ridge TrailThanks for the info!
      Jan 21, 2024 @ 1:57pm
      Jan 21, 2024
      sutrostewardstrailNorth Ridge TrailThe forestry management work necessary to...
      Jan 19, 2024 @ 3:43pm
      Jan 19, 2024
      justridingalong1trailNorth Ridge TrailAnyone have an idea when the lower section of...
      Jan 18, 2024 @ 7:05pm
      Jan 18, 2024
      JoshDrXkbttrailHistoric TrailPosted sign and map say the bottom half is...
      Nov 25, 2023 @ 8:31am
      Nov 25, 2023
      5wuJvxtrailHistoric TrailTrail closed halfway down looks like it will...
      Oct 21, 2023 @ 3:28pm
      Oct 21, 2023

      Nearby Areas

      namedistance
      San Francisco Twin Peaks 4 3 60.6 km
      Laguna Honda Community Trail System 90.7 km
      Twin Peaks 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 Bike224 miles1,365 ft3 miles495 ft
      #837#43425362712,530
      E-Bike1702 ft154 ft702 ft154 ft
      270117
      Hike214 miles1,240 ft2 miles495 ft
      #590#3673628288
      Trail Running214 miles1,240 ft2 miles495 ft
      #592#3653628695
      • By markholloway Trailforks Map Team & contributors
      • Admins: SFUR
      • #13927 - 9,119 views

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