close
  • Layers  w
  • Basemap 
  • Trail Style 
    • ?
  • Activity Type  
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
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
ATV/ORV/OHV Filter
Max Vehicle Width
inches

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
  • Ideal
  • 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
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Altadena has been added yet! Login or register to submit one.
      Region Details
      • 10
      • 2
      • 11
      • 20
      • 3

      Activities
      Region Status
      Caution as of Jul 25, 2020
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      48
      Trails Mountain Bike
      51
      Trails E-Bike
      4
      Trails Hike
      53
      Trails Trail Running
      53
      Trails Horse
      17
      Trails Dirtbike
      2
      Trails ATV/ORV/OHV
      2
      Total Distance
      125 miles
      Total Descent
      47,631 ft
      Total Vertical
      5,344 ft
      Highest Trailhead
      6,379 ft
      Reports
      385
      Photos
      293
      Ridden Counter
      5,017
      Sub Regions

      Photos of Altadena Mountain Bike

      3 |
      Jul 27, 2020 @ 9:13pm
      Jul 27, 2020
      trail: Rim Trail
      3 |
      Jul 26, 2020 @ 10:25pm
      Jul 26, 2020
      trail: Ken Burton
      304 |
      Apr 18, 2016 @ 10:21am
      Apr 18, 2016
      trail: Ken Burton
      251 |
      Apr 18, 2016 @ 10:20am
      Apr 18, 2016

      Videos of Altadena Mountain Bike

      Night Ride Disaster
      0:25 | 27 | Jul 31, 2020
      Mt. Wilson Sunset Ridge - OFF CLIFF !?!
      0:32 | 112 | Feb 5, 2020
      San Gabes
      3:22 | 46 | Sep 15, 2019
      dusty crash onto face
      0:48 | 174 | Jul 10, 2019

      Recent Trail Reports

      statustraildateconditionuserinfo
      Strawberry Spur
      Jul 25, 2020 @ 8:10am
      Jul 25, 2020
      		 DryCatButtE-Bike Dry, but not bad for this time of year
      Strawberry Peak
      Jul 25, 2020 @ 8:10am
      Jul 25, 2020
      		 IdealCatButtE-Bike A couple of trees have fallen across the...
      Strawberry Peak
      Jul 25, 2020 @ 8:10am
      Jul 25, 2020
      		 IdealCatButtE-Bike A couple of trees have fallen across the...
      Lower Sunset Ridge
      Jul 21, 2020 @ 5:38pm
      Jul 21, 2020
      		 Dryalex345all clear!
      Upper Horse Trail
      Jul 20, 2020 @ 11:57am
      Jul 20, 2020
      		 Dryalex345Horse trail is looking great thanks to...
      Lower Gabrelino Trail
      Jul 19, 2020 @ 7:38pm
      Jul 19, 2020
      		 Dryashloff Hiiikkkeeerrrsss but still beautiful.
      Pentew
      Jul 19, 2020 @ 1:34pm
      Jul 19, 2020
      		 DrypkfeltonRode this for the first time today. Dry...
      Mt Lowe Railroad (Inspiration Point)
      Jul 18, 2020 @ 8:24am
      Jul 18, 2020
      		 Drygamehaus
      Sunset Ridge
      Jul 18, 2020 @ 8:24am
      Jul 18, 2020
      		 DrygamehausMerrill and Sunset never disappoint. ...
      Josephine Peak Road
      Jul 11, 2020 @ 4:50pm
      Jul 11, 2020
      		 DryOldPinkEyesLots of gnat swarms towards the top.

      Activity Feed

      usernameactiontypetitledate
      user #1797850thomasjkenney1024addtrailMt Mooney Fire Road
      Aug 6, 2020 @ 10:47am
      2 hours
      user #2222018etroxelwishlisttrailEl Prieto Trail
      Aug 5, 2020 @ 2:14pm
      23 hours
      user #2312372aortega99riddentrailLower Gabrelino Trail
      Aug 2, 2020 @ 8:45pm
      Aug 2, 2020
      user #2307686Bbwalker2wishlisttrailLower Gabrelino Trail
      Aug 2, 2020 @ 6:29pm
      Aug 2, 2020
      user #1797850thomasjkenney1024riddentrailSilver Moccasin (Shortcut Saddle to West Fork CG)
      Aug 2, 2020 @ 3:46pm
      Aug 2, 2020

      Recent Comments

      usernametypetitlecommentdate
      user #2193986danielspr15trailBastard RidgeAlmost died today... and I was only hiking...
      Jul 28, 2020 @ 2:07pm
      Jul 28, 2020
      user #975728alex345reportLower Sunset Ridgethe downed tree has been cleared!
      Jul 21, 2020 @ 5:39pm
      Jul 21, 2020
      user #1538263Dogl0rdtrailOld Mt LukensLots of exposure and easy to attain high speed...
      Jul 3, 2020 @ 11:22am
      Jul 3, 2020
      user #1538263Dogl0rdtrailEl Prieto TrailFriggin great trail.
      Jun 25, 2020 @ 9:03pm
      Jun 25, 2020
      user #1672675HDM94reportCondor Peak TrailAwesome thanks!
      Jun 16, 2020 @ 9:55pm
      Jun 16, 2020

      Local Badges

      Local Mountain Biking Directory

      • By BlazeNawaY & contributors
      • Admins: CORBA, MWBA, LRCC
      • #9518 - 2,812 views

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