2.1 miles
Distance
189 ft
Climb
-582 ft
Descent
00:16:11
Avg time

Cobblestone Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Annadel State Park
    Santa Rosa, California
  • Difficulty Rating
    Black Diamond rate
  • Voted Difficulty
    Black Diamond (2 votes)
  • Hiking SAC Scale
    T2 Mountain Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Season
    Jan-Dec
  • Dogs Allowed
    Yes
  • eBike Allowed
    No
  • TTFs on Trail
    Drop, Jump, Rock Face, Rock Garden
  • Global Ranking
    #39351 in Mountain Biking [+]
    • #19064 in Trail Running
    • #33493 in Hiking
  • Local Popularity
    75 in Mountain Biking [+]
    • 85 in Trail Running
    • 60 in Hiking
  • Land Owner
    California State Parks

Well worn singletrack with some embedded rocks and roots. Some fairly difficult sections.

Local Trail Association
Traditionally Indigenous Territory
More Stats for Cobblestone mountain bike trail trail
  • Altitude change
    -393 ft
  • Altitude min
    340 ft
  • Altitude max
    900 ft
  • Altitude start
    733 ft
  • Altitude end
    341 ft
  • Grade
    -3.6%
  • Grade max
    -43.2%
  • Grade min
    48%
  • Distance climb
    3,871 ft
  • Distance down
    1 mile
  • Distance flat
    709 ft
  • Avg time
    00:16:11
  • Avg reverse time
    00:29:21
  • view trail stats
Status:
on Mar 25, 2025
Ideal
Avg: 3.84 (25 votes)
Your vote: 0

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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
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  • Downhill Primary
  • Both Directions
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  • Uphill Only
  • One Direction
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Radar Time
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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
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  • Downhill Ski
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      Directions to cobblestone-22736 trailhead (38.436531, -122.642140)
      update trails status or condition

      Cobblestone Trail Reports

      statusdatedescription
      Mar 25, 2025 @ 2:40pm
      Mar 25, 2025
      		 A little wet in places
      Jan 19, 2025 @ 11:28am
      Jan 19, 2025
      Jul 13, 2024 @ 3:37am
      Jul 13, 2024
      Jul 7, 2024 @ 12:38am
      Jul 7, 2024
      May 19, 2024 @ 3:37am
      May 19, 2024
      		 Perfect conditions. Bit busy with hikers.
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 0 rides
      •  
      6 Months
      • 6 rides
      • 12 miles avg distance
      All
      • 215 rides
      • Last: Apr 13, 2025

      Technical Trail Features (TTF)

      Photos

      more »
      477 |
      Jul 5, 2016 @ 6:13pm
      Jul 5, 2016
      824 |
      Jan 1, 2013 @ 4:50pm
      Jan 1, 2013
      139 |
      Nov 21, 2021 @ 11:55am
      Nov 21, 2021
      463 |
      Jul 5, 2016 @ 6:13pm
      Jul 5, 2016

      Routes with this trail

      more »
      titledistance
      Tour of the Burmas17 miles
      Annadel XC16 miles
      Burmas Plus Cobblestone17 miles
      Annadel Whole Enchilada22 miles

      1 Review & Comments


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      Videos

      more »
      youtuber Annadel State Park 2019 (Santa Rosa, CA)...
      12:26 | 1059 | Feb 1, 2019 , Santa Rosa
      Cobblestone Trail | Annadel State Park, CA
      6:02 | 1149 | Feb 8, 2021 , Santa Rosa
      Annadel State Park, CA: Mountain Biking
      448 | Dec 27, 2017 , Santa Rosa
      Annadel State Park
      2:36 | 370 | Jan 22, 2017 , Santa Rosa

      Nearby Trails

      Annadel State Park

      • By Ridonkulus & contributors
      • #22736 - 6,054 views

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