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  • Trail Style 
    • ?
  • Activity Type  
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
  • 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
      • 5
      • 1
      • 8
      • 19
      • 3

      Activities
      Region Status
      Caution as of Oct 13, 2019 ago
      Local Trail Association
      local trail association
      MWBA       (mwba.org)

      Stats

      Avg Trail Rating
      Global Ranking
      #318
      State Ranking
      #22
      Trails (view details)
      36
      Trails Mountain Bike
      36
      Trails Hike
      36
      Trails Trail Running
      36
      Total Distance
      97 miles
      Total Descent
      43,161 ft
      Total Vertical
      5,163 ft
      Highest Trailhead
      6,197 ft
      Reports
      243
      Photos
      224
      Ridden Counter
      3,566
      Sub Regions

      Photos of Altadena Mountain Bike

      trail: Pentew
      7 |
      Sep 1, 2019 @ 8:52pm
      Sep 1, 2019
      217 |
      Aug 18, 2019 @ 4:54pm
      Aug 18, 2019
      trail: Ken Burton
      274 |
      Apr 18, 2016 @ 10:21am
      Apr 18, 2016
      trail: Ken Burton
      217 |
      Apr 18, 2016 @ 10:20am
      Apr 18, 2016

      Videos of Altadena Mountain Bike

      San Gabes
      3:22 | 34 | Sep 15, 2019
      dusty crash onto face
      0:48 | 149 | Jul 10, 2019
      Couldn't hang on
      0:48 | | Jul 9, 2019
      lower sunset
      4:04 | 74 | Mar 28, 2019

      Recent Trail Reports

      statustraildateconditionuserinfo
      Silver Moccasin
      Oct 13, 2019 @ 6:24pm
      Oct 13, 2019
      		 Wet967Really thick with thorn bushes
      Pentew
      Oct 12, 2019 @ 10:57am
      Oct 12, 2019
      		 Very DrymichaelboltonThis is extremely steep, rutted, dusty,...
      Mt. Lowe East Trail
      Oct 5, 2019 @ 6:47am
      Oct 5, 2019
      		 Very Dryvandallrecent trail work. It's still loose but...
      Fern Truck Trail
      Sep 22, 2019 @ 7:31am
      Sep 22, 2019
      		 DryHellrideSDMF
      El Prieto Trail
      Sep 22, 2019 @ 7:31am
      Sep 22, 2019
      		 DryHellrideSDMF
      Strawberry Peak
      Sep 21, 2019 @ 9:14am
      Sep 21, 2019
      		 DryEnduroDuanesome soft corners, otherwise great shape
      Upper Gabrelino Trail
      Sep 21, 2019 @ 9:14am
      Sep 21, 2019
      		 DryEnduroDuanea couple fallen trees and soft corners
      Lower Gabrelino Trail
      Sep 21, 2019 @ 9:14am
      Sep 21, 2019
      		 VariableEnduroDuanea couple fallen trees, soft corners and...
      Strawberry Peak
      Sep 21, 2019 @ 9:14am
      Sep 21, 2019
      		 DryEnduroDuanesome soft corners
      Silver Moccasin (PCT to Christian Camp)
      Sep 14, 2019 @ 10:07am
      Sep 14, 2019
      		 DrymgliiiMinor debris, have to dismount but ridable.

      Activity Feed

      usernameactiontypetitledate
      user #1961006PabakhitriddentrailMillard Canyon Road and 1 more
      Oct 19, 2019 @ 9:04pm
      15 mins
      user #1961006PabakhitriddentrailSunset Ridge
      Oct 19, 2019 @ 9:02pm
      17 mins
      user #1939155marthadefoewishlisttrailGabrielino Trail (NRT)
      Oct 19, 2019 @ 6:30pm
      3 hours
      user #1235344robertgbrookriddentrailFern Truck Trail and 2 more
      Oct 18, 2019 @ 6:05am
      2 days
      user #1121328kaneenmorganriddentrailSilver Moccasin (Christian Camp to Chilao DH)
      Oct 17, 2019 @ 1:04pm
      2 days

      Recent Comments

      usernametypetitlecommentdate
      user #1855398967trailSilver Moccasin (PCT to Christian Camp)Do not start here. I would suggest to start at...
      Oct 13, 2019 @ 5:14pm
      Oct 13, 2019
      user #884482mgliiitrailSilver MoccasinMajor tree falls, debris, on trail through...
      Sep 15, 2019 @ 10:52am
      Sep 15, 2019
      user #1399973lco007trailEl Prieto TrailAugust 1,2019 Trail has somewhat been cleared...
      Aug 1, 2019 @ 9:40am
      Aug 1, 2019
      user #1579994StewiethapilottrailUpper Gabrelino TrailBe ready for a soulsucking ride before the...
      Nov 25, 2018 @ 12:32am
      Nov 25, 2018
      user #1636305elzumpangotrailUpper Gabrelino TrailBeautiful views on tight singletrack. Very...
      Nov 24, 2018 @ 8:07am
      Nov 24, 2018

      Local Badges

      • By BlazeNawaY & contributors
      • Admins: CORBA, MWBA
      • #9518 - 2,188 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Altadena.
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