2 miles
Distance
753 ft
Climb
-1,249 ft
Descent
00:59:47
Avg time

Details

  • Riding Area
    Skyline Wilderness Park
    Napa, California
  • Difficulty Rating
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC
  • Trail Usage
    Multi-use
  • Direction
    Both Directions
    Popular in reverse
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Trail Visibility
    Always easy to follow
  • Season
    Year Round
  • eBike Allowed
  • TTFs on Trail
    Rock Garden
  • Ride in Rain
    Yes
  • Global Ranking
    #37097 in Mountain Biking
  • Local Popularity
    15 in Mountain Biking [+]
    • 5 in Trail Running
    • 95 in Hiking

Pretty rocky but not too rough on the down. There are about 5 or 6 sharp switchbacks with a few that will come at you when you're just building some good flow. The trail is a bit narrow at some points and when the area is overgrown it can become a bit of an issue for visibility. Preferred direction is east to west, the hike up is a brute but the descent is nicer from the peak to fig tree/manzanita.

Access Info

Access from Skyline Trail near Chaparral

Local Trail Association
More Stats for Thacher's Rim Rock Trail bike trail
  • Altitude change
    -496 ft
  • Altitude min
    437 ft
  • Altitude max
    1,638 ft
  • Altitude start
    933 ft
  • Altitude end
    437 ft
  • Grade
    -4.051%
  • Grade max
    -53.914%
  • Grade min
    46.23%
  • Distance climb
    4,048 ft
  • Distance down
    1 miles
  • Distance flat
    307 ft
  • Avg time
    00:59:47
  • Avg reverse time
    00:37:20
  • view trail stats
Status:
on Oct 9, 2018
Dry
Avg: 2.5 (4 votes)

view (41)
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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 intendid 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

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 or Major Issue / Red

  • 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
  • Water Fountain/Source Water Fountain/Source
  • Sight Sight
  • Restrooms Restrooms
  • Gate Gate
  • Camping Camping
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Table or Bench eBike Charging Point
  • Other Other
      Directions to thacher-s-rim-rock-trail trailhead (38.257570, -122.219320)
      update trails status or condition

      Thacher's Rim... Trail Reports

      statusdatedescription
      Oct 9, 2018 @ 9:18am
      Oct 9, 2018
      This trail is only “rideable” in one direction. Coming down the west side from sugarloaf peak to skyline is extremely steep and exposed. Use...
      Jul 29, 2018 @ 10:53am
      Jul 29, 2018
      Still totally overgrown
      Jun 11, 2018 @ 9:07pm
      Jun 11, 2018
      Overgrown vegetation, do not ride until vegetation is cut back unless you want cut up arms and legs from the prickly plants attacking you.
      May 21, 2018 @ 12:26pm
      May 21, 2018
      reporter Overgrown vegetation. Majorly overgrown. I'm working with the managers to get this cleared out. I'll post a new report when it's clear.
      Apr 18, 2018 @ 6:28pm
      Apr 18, 2018
      A bit overgrown in some spots. Found four ticks on me on this trail. Dirt was really nice, except for one really slippery part the extreme steep...
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 1 rides
      • 11 miles avg distance
      6 Months
      • 11 rides
      • 14 miles avg distance
      All
      • 43 rides
      •  

      Photos

      more »
      31 |
      Oct 9, 2018 @ 9:23am
      Oct 9, 2018
      Thacher's Rim Rock Trail
      53 |
      Apr 3, 2018 @ 6:02pm
      Apr 3, 2018
      Thacher's Rim Rock Trail
      60 |
      Apr 3, 2018 @ 6:01pm
      Apr 3, 2018
      Thacher's Rim Rock Trail
      59 |
      Apr 3, 2018 @ 6:00pm
      Apr 3, 2018
      Thacher's Rim Rock Trail

      Routes with this trail

      titleratingdistance
      River to Ridge and up Thatcher
      11 miles

      2 Reviews & Comments

      • + 2
      flag mattselig25 (Jun 11, 2018 at 21:10)
       Make sure to only climb up from the green starting point listed. If you attempt it from the red finish point you will be hike a biking up for 700 + ft of strenuous work.
      [Reply]
      • + 0
      flag nick2616 (Dec 1, 2018 at 18:43)
       I did the trail in the suggested direction and it was absolutely not worth it. The climb up was quite tough and the descent was not worth the effort. There are much better trails in this park for biking. This trail will be reserved for hiking in my book.
      [Reply]

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      Videos

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      Skyline Wilderness (Napa, CA) Mountain Biking
      15:35 | 141 | Jan 31, 2018 , Napa
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