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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
inches

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 Alameda County has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 67
      • 34
      • 112
      • 103
      • 10
      • 2

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      389
      Trails Mountain Bike
      344
      Trails E-Bike
      21
      Trails Hike
      400
      Trails Trail Running
      400
      Trails Horse
      58
      Total Distance
      449 miles
      Total Descent
      75,552 ft
      Total Vertical
      2,534 ft
      Highest Trailhead
      2,535 ft
      Reports
      2,220
      Photos
      407
      Ridden Counter
      47,148

      Popular Alameda County Mountain Biking Trails

      statustitledifficultyrating
      Cinderella
      Joaquin Miller Park (JMP)
      Palos Colorados
      Joaquin Miller Park (JMP)
      Big Trees (outer)
      Joaquin Miller Park (JMP)
      Sequoia-Bayview Trail
      Joaquin Miller Park (JMP)
      Upper Palos Colorados
      Joaquin Miller Park (JMP)
      Orchard Trail
      Joaquin Miller Park (JMP)
      Chaparral
      Joaquin Miller Park (JMP)
      Big Trees (inner)
      Joaquin Miller Park (JMP)
      Horse Arena
      Joaquin Miller Park (JMP)
      Connector
      Joaquin Miller Park (JMP)
      Sunset Loop
      Joaquin Miller Park (JMP)
      Bishop's Walk
      Joaquin Miller Park (JMP)
      Connector
      Joaquin Miller Park (JMP)
      Harold Ireland
      Joaquin Miller Park (JMP)
      Scout Trail
      Joaquin Miller Park (JMP)

      Alameda County Mountain Bike Routes

      titleratingdistance
      East Ridge / West Ridge Loop
      Joaquin Miller Park (JMP)
      8 miles
      Joaquin Miller Park Big Trees and Cinderella loop
      Joaquin Miller Park (JMP)
      8 miles
      Brushy Peak Interior Loop
      Brushy Peak Regional Preserve
      5 miles
      chabot
      Anthony Chabot Regional Park
      9 miles
      Joaquin Miller Killer
      Joaquin Miller Park (JMP)
      10 miles
      Red Tail Soaring Hawk JMP Skyline Loop
      Castro Valley
      31 miles
      The whole shebang
      Tilden and Wildcat Canyon
      32 miles
      JMP Blue and Green Loop
      Oakland
      5 miles
      Lake Chabot Gravel Ride
      Redwood Regional Park
      37 miles
      2018 East Bay Dirt Classic Short Course
      Redwood Regional Park
      24 miles

      Recent Ridelog Activity in Region

      Today
      • 58 rides
      • 11 miles avg distance
      Yesterday
      • 123 rides
      • 17 miles avg distance
      Past Week
      • 657 rides
      • 14 miles avg distance

      Photos of Alameda County Mountain Bike

      trail: Christmas
      38 |
      Aug 6, 2021 @ 12:39pm
      Aug 6, 2021
      trail: Brandon
      9 |
      Jul 28, 2021 @ 3:54pm
      Jul 28, 2021
      trail: Brandon
      24 |
      Jul 28, 2021 @ 3:53pm
      Jul 28, 2021
      3 |
      Jul 14, 2021 @ 12:44pm
      Jul 14, 2021
      trail: Chaparral
      281 |
      Apr 17, 2019 @ 11:26pm
      Apr 17, 2019
      58 |
      Apr 17, 2019 @ 11:24pm
      Apr 17, 2019
      46 |
      Apr 17, 2019 @ 11:23pm
      Apr 17, 2019
      trail: Chaparral
      770 |
      Jul 3, 2015 @ 10:04am
      Jul 3, 2015

      Videos of Alameda County Mountain Bike

      Cowboys in Berkeley?
      | Jul 23, 2021
      Generic MTB edit
      trail: Stables
      305 | Apr 20, 2021
      Felt Cute Might Delete Later
      trail: Cinderella
      73 | Mar 25, 2021
      Smackdown
      trail: Cinderella
      | Dec 9, 2020
      Local Legends ep4 : Paulo Buenconsejo 'Spice...
      trail: Chaparral
      20 | Nov 20, 2020
      Friday fails
      0:13 | 414 | Feb 29, 2020
      Jackson Grade going downhill
      1:29 | 96 | Oct 23, 2019
      Live Oak Trail from Marciel Rd Trailhead
      trail: Live Oak
      8:34 | 153 | Oct 23, 2019

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #2564571KFID2KaddreportDrop into Upper Palos Colorados and 2 more
      Sep 19, 2021 @ 6:26pm
      1 day
      user #2287043IrenejwalshaddreportLive Oak
      Sep 18, 2021 @ 7:19pm
      2 days
      user #2588623EcavalinoaddreportOak Tree and 10 more
      Sep 18, 2021 @ 1:07pm
      2 days
      user #2297648teck13difficultyvotetrailCinderella
      Sep 18, 2021 @ 11:28am
      3 days
      user #2514423AndrewO50b6wishlisttrailCinderella
      Sep 18, 2021 @ 9:31am
      3 days

      Recent Comments

      usernametypetitlecommentdate
      user #2707595DacutrailBack 9Definitely not a “both directions” trail! LoL
      Sep 5, 2021 @ 4:21am
      Sep 5, 2021
      user #1381095BikerBairdtrailChaparralDouble black to climb, single black to descend
      Aug 23, 2021 @ 2:52pm
      Aug 23, 2021
      user #921870KylepongatrailLongview TipTo access this going up, you make a 90 degree...
      Jul 27, 2021 @ 8:33am
      Jul 27, 2021
      user #454554flydyltrailWildcat Gorge TrailAnyone else having trouble getting this trail...
      Jul 25, 2021 @ 12:36pm
      Jul 25, 2021
      user #2707595DacutrailBack SingletrackFun and fast downhill, challenging and spicy...
      Jul 15, 2021 @ 10:40pm
      Jul 15, 2021

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike342380 miles60,043 ft166 miles2,533 ft
      4042,2283369,094
      E-Bike2143 miles2,195 ft14 miles1,529 ft
      1,86362,213
      Hike400448 miles75,423 ft195 miles2,536 ft
      52,21942,803
      Trail Running400448 miles75,423 ft195 miles2,536 ft
      2,21941,108
      Horse5877 miles15,151 ft30 miles2,497 ft
      48917
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: CAMTB, ericfoltz, Redhawk, jpmcghee, brianpetry, BTCEB, sanfret
      • #7921 - 4,126 views
      • alameda county activity log | embed map of Alameda County mountain bike trails | alameda county mountain biking points of interest polygons
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