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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
inches

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.
Trails Deemphasized
Trails are shown in grey.
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      No description for Mount Diablo State Park has been added yet! Login or register to submit one.
      Primary Trail Type: Cross-Country
      Shuttleable: YES
      Land Status: State Park
      Activities Click to view
      Region Details
      • 1
      • 3
      • 17
      • 5

      Region Status
      Open as of May 2, 2021

      Stats

      Avg Trail Rating
      Trails (view details)
      26
      Trails Mountain Bike
      26
      Trails E-Bike
      16
      Trails Hike
      26
      Trails Trail Running
      26
      Trails Horse
      1
      Total Distance
      29 miles
      Total Descent Distance
      15 miles
      Total Descent
      9,451 ft
      Total Vertical
      2,814 ft
      Highest Trailhead
      3,681 ft
      Reports
      26
      Photos
      13
      Ridden Counter
      754

      Photos of Mount Diablo State Park Mountain Bike

      51 |
      Mar 8, 2021 @ 6:41pm
      Mar 8, 2021
      trail: Oyster Point
      77 |
      Oct 31, 2020 @ 5:12pm
      Oct 31, 2020
      trail: Oyster Point
      74 |
      Oct 31, 2020 @ 5:12pm
      Oct 31, 2020
      trail: Oyster Point
      71 |
      Oct 31, 2020 @ 5:12pm
      Oct 31, 2020
      trail: Oyster Point
      78 |
      Oct 31, 2020 @ 5:12pm
      Oct 31, 2020
      trail: Oyster Point
      71 |
      Oct 31, 2020 @ 5:12pm
      Oct 31, 2020
      trail: Oyster Point
      126 |
      Nov 8, 2019 @ 12:16pm
      Nov 8, 2019
      trail: Oyster Point
      108 |
      Nov 8, 2019 @ 12:16pm
      Nov 8, 2019

      Videos of Mount Diablo State Park Mountain Bike

      Mt Olympia singletrack Downhill MTB on...

      26:49 | 370 | Nov 6, 2018

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #2053022RThiebenvotetrailOyster Point
      Dec 5, 2021 @ 2:11pm
      Dec 5, 2021
      user #2053022RThiebenriddentrailOyster Point and 1 more
      Dec 5, 2021 @ 2:11pm
      Dec 5, 2021
      user #2056571WarrenHowardaddreportKnobcone Point Trail and 3 more
      Dec 5, 2021 @ 12:38pm
      Dec 5, 2021
      user #2911816ChipsNBeerwishlisttrailSummit Trail
      Nov 23, 2021 @ 8:10am
      Nov 23, 2021
      user #2588623EcavalinoaddreportStaircase Trail
      Nov 13, 2021 @ 8:46pm
      Nov 13, 2021

      Recent Comments

      usernametypetitlecommentdate
      user #2463622bkonoldtrailBlack Hawk Ridge RoadThere is a locked gate in front of the access...
      Nov 1, 2021 @ 4:56pm
      Nov 1, 2021
      user #2360708katiecalbear06trailJunpier DHNot open to bikes
      Oct 30, 2021 @ 12:07pm
      Oct 30, 2021
      user #2360708katiecalbear06trailJunpier DHNot open to bikes
      Oct 30, 2021 @ 12:05pm
      Oct 30, 2021
      user #2360708katiecalbear06trailLeif's DHNot open to bikes
      Oct 30, 2021 @ 12:04pm
      Oct 30, 2021
      user #2360708katiecalbear06trailLeif's DHNot open to bikes
      Oct 30, 2021 @ 12:04pm
      Oct 30, 2021

      Nearby Areas

      namedistance
      Diablo Foothills Regional Park 2 112.6 km
      Morgan Territory Regional Preserve 8 1 16 km
      Lime Ridge 8 4 26.3 km
      Shell Ridge Open Space 10 6 16.3 km
      Las Trampas Regional Park 4 9 47.4 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike2629 miles9,452 ft15 miles2,815 ft
      #7,143#2,99913261758
      E-Bike1619 miles5,492 ft9 miles2,005 ft
      2422
      Hike2629 miles9,452 ft15 miles2,815 ft
      #6,228#2,8452652
      Trail Running2629 miles9,452 ft15 miles2,815 ft
      #6,225#2,843262
      Horse11,263 ft144 ft906 ft148 ft
      • By allanchandler & contributors
      • Admins: BTCEB, bkxc
      • #20601 - 4,710 views
      • mount diablo state park activity log | embed map of Mount Diablo State Park mountain bike trails | mount diablo state park mountain biking points of interest

      Downloading of trail gps tracks in kml & gpx formats is enabled for Mount Diablo State Park.
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