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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
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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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Only show trails with NO bikes.
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      No description for North Sonoma Mountain Regional Park and Open Space Preserve has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 2
      • 2

      Region Status
      Caution as of Mar 5, 2023
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      5
      Trails Mountain Bike
      4
      Trails Horse
      1
      Trails Hike
      5
      Trails Trail Running
      5
      Total Distance
      4 miles
      Total Descent
      1,025 ft
      Total Vertical
      1,307 ft
      Highest Trailhead
      1,842 ft
      Reports
      12
      Photos
      7
      Ridden Counter
      258

      Popular North Sonoma Mountain Regional Park and Open Space Preserve Trails

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 0 rides
      Past Week
      • 1 rides

      Photos of North Sonoma Mountain Regional Park and Open Space Preserve Mountain Bike

      trail: Igneous Rock
      8 |
      Jun 20, 2023 @ 12:15pm
      Jun 20, 2023
      trail: Igneous Rock
      17 |
      Jun 20, 2023 @ 12:14pm
      Jun 20, 2023
      report
      10 |
      Sep 30, 2022 @ 2:56pm
      Sep 30, 2022
      report
      15 |
      Sep 30, 2022 @ 2:56pm
      Sep 30, 2022
      53 |
      Jan 17, 2021 @ 5:22pm
      Jan 17, 2021
      53 |
      Jan 17, 2021 @ 5:21pm
      Jan 17, 2021
      81 |
      Jan 17, 2021 @ 5:21pm
      Jan 17, 2021

      Videos of North Sonoma Mountain Regional Park and Open Space Preserve Mountain Bike

      Jack London State Park
      9:41 | 68 | Dec 7, 2022 , Santa Rosa

      Recent Trail Reports

      statustraildateconditioninfouser
      North Sonoma Ridge (Lower)
      Dec 22, 2022 @ 3:35pm
      Dec 22, 2022
      Variablemikejsully

      Activity Feed

      usernameactiontypetitledate
      DetergentriddentrailNorth Sonoma Ridge (Lower)
      Nov 24, 2023 @ 8:10pm
      Nov 24, 2023
      DetergentriddentrailUmbrella Tree and 1 more
      Nov 2, 2023 @ 5:51pm
      Nov 2, 2023
      Tonymosaaddphoto in Petaluma, California, United States and 1 more
      Jun 20, 2023 @ 12:14pm
      Jun 20, 2023
      TonymosaaddtrailIgneous Rock
      Jun 19, 2023 @ 8:41pm
      Jun 19, 2023
      mikevi9wishlisttrailNorth Sonoma Ridge (Lower)
      Apr 26, 2023 @ 12:32pm
      Apr 26, 2023

      Recent Comments

      usernametypetitlecommentdate
      KaluatrailUmbrella TreeNot singletrack, but a gravel road in good...
      Mar 2, 2022 @ 9:24pm
      Mar 2, 2022

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike43 miles751 ft1 mile1,168 ft
      #7,783#3,315712192
      Horse11,378 ft13 ft374 ft23 ft
      2
      Hike54 miles1,024 ft2 miles1,309 ft
      #6,802#3,1661234
      Trail Running54 miles1,024 ft2 miles1,309 ft
      #6,799#3,158126
      • By todd Trailforks Map Team & contributors
      • Admins: SCTC, ninertom, REMBA, ibiscycles, Scotnicol
      • #20659 - 3,219 views
      • north sonoma mountain regional park and open space preserve activity log | embed map of North Sonoma Mountain Regional Park and Open Space Preserve mountain bike trails |

      Downloading of trail gps tracks in kml & gpx formats is enabled for North Sonoma Mountain Regional Park and Open Space Preserve.
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