close
Trail Conditions
  • Unknown
  • 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 Ridden Direction

The intendid direction a trail should be ridden.

  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction

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 or Major Issue / Red

  • 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 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
  • Other Other
      Generally handdug/hand maintained trails. Some access issues, be mindful of hikers and horsepeople (centaurs). Most climbs are of the paved/fireroad variety, most descents are a mix of loose rock, fixed rock, and good dirt. Gets dry in the summer. High elevation trails are clear May-October, bring plenty of water.
      Primary Trail Type: All-Mountain & Downhill
      Shuttleable: YES
      Region Details
      • 5
      • 4
      • 3


      Caution on Nov 21, 2018

      Stats

      Avg Trail Rating
      Global Ranking
      #4,280
      State Ranking
      #213
      Trails (view details)
      12
      Trails Mountain Bike
      12
      Trails Hike
      12
      Trails Trail Running
      12
      Total Distance
      22 miles
      Total Descent Distance
      13 miles
      Total Descent
      5,917 ft
      Total Vertical
      3,560 ft
      Highest Trailhead
      8,446 ft
      Reports
      15
      Photos
      5
      Ridden Counter
      196

      Photos of CA-108 Mountain Bike

      13 |
      Aug 26, 2018 @ 6:03pm
      Aug 26, 2018
      Crabtree Lower, Portland
      7 |
      Aug 26, 2018 @ 6:01pm
      Aug 26, 2018
      Lower Crabtree, Portland
      17 |
      Aug 26, 2018 @ 6:00pm
      Aug 26, 2018
      Upper Crabtree, Portland
      236 |
      Nov 10, 2010 @ 8:55am
      Nov 10, 2010
      Upper Crabtree, Sonora
      more photos »

      Videos of CA-108 Mountain Bike

      EPIC Solo Mountain Biking Crabtree Black...
      23:25 | 19 | Nov 6, 2018 , Pinecrest
      EPIC Solo Mountain Biking Crabtree Black...
      23:25 | 24 | Nov 6, 2018 , Pinecrest
      Smoke and Flow-Crabtree Trail Top to...
      21:20 | 170 | Jul 27, 2018 , Pinecrest
      more videos »

      Recent Comments

      usernametypetitlecommentdate
      user #1614642AkulakvgtrailLower CrabtreeVery dry, but quiet and nice flow
      Aug 25, 2018 @ 8:56am
      Aug 25, 2018
      user #1035407bchristitrailUpper Crabtreeyou tell em Captain...
      Dec 11, 2017 @ 10:04am
      Dec 11, 2017
      user #820517CaptainVonAwesometrailUpper CrabtreeIt would be rad if this ‘unsanctioned’...
      Dec 2, 2017 @ 8:58am
      Dec 2, 2017
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1693790SnowRiderJBriddentrailUpper Crabtree and 1 more
      Jan 7, 2019 @ 10:29pm
      Jan 7, 2019
      user #865066oransoaddridelogNov 27, 2018 ride log
      Dec 11, 2018 @ 4:31am
      Dec 11, 2018
      user #865066oransoaddreportUpper Crabtree and 3 more
      Nov 21, 2018 @ 2:43pm
      Nov 21, 2018
      user #865066oransoaddridelogNov 21, 2018 ride log
      Nov 21, 2018 @ 1:46pm
      Nov 21, 2018
      user #651204Fassn8addridelogNov 17, 2018 ride log
      Nov 17, 2018 @ 3:36pm
      Nov 17, 2018
      view more »

      Nearby Areas

      namedistance
      Lyons Reservoir 2 211.9 km
      Ferretti Non-Motorized Trail System25.4 km
      Yosemite Lakes Resort 1 425.5 km
      Parrotts Ferry 127.5 km
      Red Hills 1 4 135.2 km
      • By oranso & contributors
      • Admins: PMBA
      • #14384 - 1,076 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for CA-108.
      You must login to download files.