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Trail Conditions
  • Unknown
  • Snow Groomed
  • 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 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
ContributeDetails
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

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

  • 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 Groomed
  • 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
  • Table or Bench eBike Charging Point
  • Other Other
      No description for San Marcos has been added yet! Login or register to submit one.
      Region Details
      • 7
      • 2
      • 11
      • 4
      • 1


      Open on Jul 21, 2019

      Stats

      Avg Trail Rating
      Global Ranking
      #3,891
      State Ranking
      #173
      Trails (view details)
      25
      Trails Mountain Bike
      25
      Trails E-Bike
      1
      Trails Hike
      23
      Trails Trail Running
      23
      Trails Horse
      1
      Trails Dirtbike
      1
      Total Distance
      18 miles
      Total Descent
      3,760 ft
      Total Vertical
      1,293 ft
      Highest Trailhead
      1,672 ft
      Reports
      30
      Photos
      12
      Ridden Counter
      842
      Sub Regions

      Photos of San Marcos Mountain Bike

      4 |
      Jul 3, 2019 @ 6:26pm
      Jul 3, 2019
      33 |
      Feb 16, 2018 @ 7:52pm
      Feb 16, 2018
      82 |
      Feb 18, 2016 @ 4:18pm
      Feb 18, 2016
      94 |
      Feb 18, 2016 @ 4:18pm
      Feb 18, 2016

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1333567Monroe12478addridelogAug 16, 2019 ride log
      Aug 16, 2019 @ 8:17pm
      12 hours
      user #1883295ballenshredsaddridelogAug 15, 2019 ride log
      Aug 15, 2019 @ 7:44pm
      2 days
      user #295777esmith32addridelogAug 15, 2019 ride log
      Aug 15, 2019 @ 12:05pm
      2 days
      user #1894075BernieMolloyaddridelogMay 4, 2019 ride log
      Aug 14, 2019 @ 6:39am
      Aug 14, 2019
      user #1044014JcmontyaddridelogAug 13, 2019 ride log
      Aug 13, 2019 @ 8:30pm
      Aug 13, 2019

      Recent Comments

      usernametypetitlecommentdate
      user #1374781mountainman23trailWhiprockwas probably a good trail once but know the...
      Jul 21, 2019 @ 3:27pm
      Jul 21, 2019

      Local Badges

      • By snowcrasher & contributors
      • Admins: SDMBA
      • #10433 - 1,676 views

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