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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • 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
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
ATV/ORV/OHV Filter
Max Vehicle Width
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Radar Time
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
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 Tamarancho / West Marin / North Tam has been added yet! Login or register to submit one.
      Primary Trail Type: Cross-Country
      AKA: Camp Tamarancho
      Parking off Lower Porcupine Trail google parking directions
      Activities Click to view
      Region Details
      • 38
      • 1
      • 12
      • 37
      • 29
      • 1

      Region Status
      Open as of 5 hours
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      118
      Trails Mountain Bike
      121
      Trails E-Bike
      1
      Trails Hike
      118
      Trails Trail Running
      118
      Trails Horse
      1
      Total Distance
      174 miles
      Total Descent
      64,653 ft
      Total Vertical
      2,450 ft
      Highest Trailhead
      2,465 ft
      Reports
      1,050
      Photos
      264
      Ridden Counter
      25,707

      Photos of Tamarancho / West Marin / North Tam Mountain Bike

      trail: Diblee Road
      4 |
      Oct 12, 2021 @ 4:03pm
      Oct 12, 2021
      14 |
      Sep 5, 2021 @ 7:50pm
      Sep 5, 2021
      510 |
      Feb 14, 2018 @ 11:22pm
      Feb 14, 2018
      611 |
      Jun 23, 2015 @ 10:36pm
      Jun 23, 2015
      559 |
      Feb 16, 2015 @ 9:09pm
      Feb 16, 2015
      463 |
      Feb 16, 2015 @ 9:07pm
      Feb 16, 2015
      1,299 |
      Feb 6, 2015 @ 9:41am
      Feb 6, 2015
      | 5 comments
      745 |
      Feb 6, 2015 @ 9:39am
      Feb 6, 2015

      Videos of Tamarancho / West Marin / North Tam Mountain Bike

      Riding Boulder Spring Trail
      2:34 | 44 | Oct 9, 2020
      Good time at Camp Tamarancho
      0:08 | 296 | Feb 12, 2018
      Fun Day with my Lil Man
      1:00 | 64 | Jul 11, 2017
      FIND YOUR FLOW
      1:54 | 911 | Feb 15, 2016
      Mini Bike ep. 2 The Dark Night Rides
      2:29 | 141 | Sep 14, 2015
      Tamarancho 2015 Chainless DH Race
      3:32 | 810 | Jun 10, 2015
      Camp Tamarancho, B-17
      2:17 | 269 | Feb 20, 2015
      Endor Flowtrail Virgins
      1:32 | 407 | Nov 10, 2014

      Current Trail Warnings

      statustraildateconditionuserinfo
      Broken Dam Trail
      Oct 20, 2021 @ 2:11pm
      5 hours
      Prevalent MudSpindelatron A4B
      Endor (Flow Trail)
      Oct 20, 2021 @ 2:11pm
      5 hours
      Prevalent MudSpindelatron A4B
      Goldman Trail
      Oct 20, 2021 @ 2:11pm
      5 hours
      Prevalent MudSpindelatron A4B

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #801820SpindelatronaddreportAlchemist Trail and 7 more
      Oct 20, 2021 @ 2:11pm
      5 hours
      user #87334cal-riderwishlisttrailCandelero Canyon (Madrone Arches) and 1 more
      Oct 16, 2021 @ 11:20am
      Oct 16, 2021
      user #2201206chriscrispaddreportDiblee Road and 1 more
      Oct 15, 2021 @ 7:34pm
      Oct 15, 2021
      user #1169047AaronspicerwishlisttrailEndor (Flow Trail)
      Oct 14, 2021 @ 10:47pm
      Oct 14, 2021
      user #1900272remydoesbikesaddreportDiblee Road and 2 more
      Oct 13, 2021 @ 6:30pm
      Oct 13, 2021

      Recent Comments

      usernametypetitlecommentdate
      user #1818904IndoorSurvivalisttrailEndor (Flow Trail)Not the best flow trail. Berms are very...
      Aug 16, 2021 @ 12:30am
      Aug 16, 2021
      user #2219352Nibot33trailRocky Ridge Fire RdIntermediate fireroad with small "humps", max...
      Apr 5, 2021 @ 10:14am
      Apr 5, 2021
      user #32404smgishot13trailParanickel (Hunt Camp)It’s better to just take the cut off at...
      Mar 13, 2021 @ 5:25pm
      Mar 13, 2021
      user #2423049PresentBiketrailEndor (Flow Trail)Yeah, sometimes there are a lot of braking...
      Mar 1, 2021 @ 2:12pm
      Mar 1, 2021
      user #2219352Nibot33trailGunsight Fire RdSteep as hell
      Jan 26, 2021 @ 9:41am
      Jan 26, 2021

      Nearby Areas

      namedistance
      Big Rock / Lucas Valley 4 6 5 13.1 km
      Gold Hill4.9 km
      Big Rock / Novato 15.4 km
      garin5.5 km
      China Camp 4 14 96.7 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike121174 miles64,652 ft93 miles2,451 ft
      #210#842641,050621,504
      E-Bike13,100 ft374 ft1,827 ft243 ft
      #408#1209351895
      Hike118172 miles63,150 ft92 miles2,451 ft
      #152#771,0281467
      Trail Running118172 miles63,150 ft92 miles2,451 ft
      #153#771,0281269
      Horse13 miles1,929 ft2 miles1,027 ft
      3401
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: A4B, MCBC
      • #6111 - 19,278 views
      • tamarancho / west marin / north tam activity log | embed map of Tamarancho / West Marin / North Tam mountain bike trails | tamarancho / west marin / north tam mountain biking points of interest
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