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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Inadequate
  • 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
ATV/ORV/OHV Filter
Max Vehicle Width
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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
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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      No description for Altadena has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 13
      • 4
      • 14
      • 28
      • 3

      Region Status
      Caution as of 1 day

      Stats

      Avg Trail Rating
      Trails (view details)
      64
      Trails Mountain Bike
      62
      Trails E-Bike
      1
      Trails Hike
      64
      Trails Trail Running
      64
      Trails Horse
      12
      Total Distance
      179 miles
      Total Descent
      56,670 ft
      Total Vertical
      5,386 ft
      Highest Trailhead
      6,421 ft
      Reports
      689
      Photos
      629
      Ridden Counter
      9,656
      Sub Regions

      Photos of Altadena Mountain Bike

      24 |
      Apr 10, 2022 @ 11:21pm
      Apr 10, 2022
      41 |
      Apr 9, 2022 @ 11:51pm
      Apr 9, 2022
      5 |
      Mar 2, 2022 @ 6:24am
      Mar 2, 2022
      32 |
      Feb 18, 2022 @ 3:42am
      Feb 18, 2022
      57 |
      Feb 7, 2022 @ 12:52pm
      Feb 7, 2022
      76 |
      Jan 22, 2022 @ 11:29pm
      Jan 22, 2022
      trail: Ken Burton
      366 |
      Apr 18, 2016 @ 10:21am
      Apr 18, 2016
      trail: Ken Burton
      326 |
      Apr 18, 2016 @ 10:20am
      Apr 18, 2016

      Videos of Altadena Mountain Bike

      Sunset ridge pedal strike crash
      87 | Feb 20, 2022
      Pedal Strike
      | Feb 20, 2022
      Pedal strike
      | Feb 20, 2022
      Sunset ridge pedal strike crash
      | Feb 20, 2022
      Daughter combines MTB with gymnastics
      95 | Nov 19, 2020
      Night Ride Disaster
      0:25 | 114 | Jul 31, 2020
      Mt. Wilson Sunset Ridge - OFF CLIFF !?!
      0:32 | 180 | Feb 5, 2020
      Chutes and Ladders
      0:08 | 210 | Dec 16, 2019

      Recent Trail Reports

      statustraildateconditioninfouser
      Mt Lukens Road (3N27)
      Jul 1, 2022 @ 6:48am
      1 day
      Very DryOldPinkEyes
      Josephine Peak Road
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      Very DryThe fire road is in great shape!clarkperry
      Strawberry Spur
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      Very DryThe trail is in great shape.clarkperry
      Strawberry Peak
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      DryThe trail is in great shape. Only one...clarkperry
      Strawberry Peak
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      DryThe trail is in great shape. No trees...clarkperry
      Barley Flats Truck Trail
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      Very Dryclarkperry
      Gabrielino Trail (NRT)
      Jun 25, 2022 @ 10:53am
      Jun 25, 2022
      DryNo trees down. All clear.clarkperry
      Fern Truck Trail
      Jun 25, 2022 @ 7:36am
      Jun 25, 2022
      DryMtnMammoth
      El Prieto Trail
      Jun 25, 2022 @ 7:36am
      Jun 25, 2022
      IdealTrail is a bit rutted in the upper...MtnMammoth
      Mt Wilson Trail (Skyline)
      Jun 25, 2022 @ 5:48am
      Jun 25, 2022
      DryHike BluebellyCanyon

      Activity Feed

      usernameactiontypetitledate
      user #1523640OldPinkEyesaddreportMt Lukens Road (3N27)
      Jul 1, 2022 @ 10:41am
      1 day
      user #2488895Jskier99wishlisttrailEl Prieto Trail
      Jun 29, 2022 @ 12:38pm
      3 days
      user #2570508cckaschalkwishlisttrailGabrielino Trail (NRT)
      Jun 29, 2022 @ 8:01am
      Jun 29, 2022
      user #1797850thomasjkenney1024commenttrailMt. Wilson Toll Road
      Jun 28, 2022 @ 5:44pm
      Jun 28, 2022
      user #2770793RD4l53wishlistrouteMt. Wilson Mega
      Jun 28, 2022 @ 4:48am
      Jun 28, 2022

      Recent Comments

      usernametypetitlecommentdate
      user #1797850thomasjkenney1024trailMt. Wilson Toll RoadIt is a road. They grade it about once a...
      Jun 28, 2022 @ 5:44pm
      Jun 28, 2022
      user #2912448dennisc5000trailMt. Wilson Toll RoadNot sure why this is listed as purple, it’s...
      Jun 27, 2022 @ 2:30pm
      Jun 27, 2022
      user #2647091DebrisBlanctrailCondor Peak TrailYou can shuttle this trail now from the top of...
      Jun 14, 2022 @ 12:03am
      Jun 14, 2022
      user #983271DrHogtrailSunset RidgeHuge climb to reach the drop in, but worth it....
      Jun 9, 2022 @ 2:06pm
      Jun 9, 2022
      user #80724rpetreportCondor Peak TrailThanks for checking out Condor!
      May 23, 2022 @ 11:02am
      May 23, 2022

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike62162 miles53,054 ft72 miles5,387 ft
      #432#2316296892216,866
      E-Bike13 miles36 ft1,818 ft846 ft
      496734
      Hike64179 miles56,670 ft81 miles5,387 ft
      #322#1946881709
      Trail Running64179 miles56,670 ft81 miles5,387 ft
      #323#1946881122
      Horse1255 miles12,844 ft25 miles5,121 ft
      2292
      • By BlazeNawaY & contributors
      • Admins: CORBA, MWBA, LRCC, SDMBA
      • #9518 - 5,716 views

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