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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 intended 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
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

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

  • 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
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Sierra County has been added yet! Login or register to submit one.
      Region Details
      • 46
      • 1
      • 30
      • 22

      Region Status
      Open as of Oct 12, 2019 ago

      Stats

      Avg Trail Rating
      Trails (view details)
      99
      Trails Mountain Bike
      101
      Trails E-Bike
      53
      Trails Hike
      100
      Trails Trail Running
      99
      Trails Horse
      47
      Trails Dirtbike
      43
      Trails ATV/ORV/OHV
      38
      Total Distance
      219 miles
      Total Descent
      69,919 ft
      Total Vertical
      6,174 ft
      Highest Trailhead
      8,490 ft
      Reports
      216
      Photos
      1,048
      Ridden Counter
      7,948
      Sub Regions

      Photos of Sierra County Mountain Bike

      3 |
      Oct 9, 2019 @ 10:22pm
      Oct 9, 2019
      7 |
      Oct 9, 2019 @ 10:22pm
      Oct 9, 2019
      84 |
      Aug 18, 2019 @ 11:20pm
      Aug 18, 2019
      50 |
      Aug 18, 2019 @ 11:20pm
      Aug 18, 2019

      Videos of Sierra County Mountain Bike

      Downieville Waterfall
      0:17 | 141 | Sep 13, 2019
      Attacked by Bees
      0:51 | 18 | Aug 16, 2019
      2018 Downie w titos
      29:19 | 78 | Jun 20, 2018
      Hardstyle @ Downieville
      1:35 | 124 | Oct 1, 2017

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1886257StanleybikevotetrailSunrise Trail
      Oct 18, 2019 @ 7:10pm
      3 hours
      user #1886257StanleybikeriddentrailSunrise Trail and 1 more
      Oct 18, 2019 @ 7:10pm
      3 hours
      user #1886257StanleybikeriddentrailButcher Ranch Trail and 8 more
      Oct 18, 2019 @ 8:10am
      14 hours
      user #1926173kesamriddentrailGold Valley Rim Trail and 2 more
      Oct 17, 2019 @ 9:47pm
      1 days
      user #516770StinkiePinkiewishlisttrailButcher Ranch Trail
      Oct 17, 2019 @ 6:56pm
      1 days

      Recent Comments

      usernametypetitlecommentdate
      user #726813norcaljeditrailNorth Yuba TrailGood to go from Downieville to Goodyear’s...
      Sep 30, 2019 @ 8:01pm
      Sep 30, 2019
      user #1892560Csheldon1965trailLakes Basin Trail AccessDefinitely not a good ascent trail unless you...
      Aug 26, 2019 @ 9:49am
      Aug 26, 2019
      user #871819manicmotionstrailNorth Yuba TrailThis recently had a bunch of work done to it...
      Aug 5, 2019 @ 7:42pm
      Aug 5, 2019
      user #1828220deln78trailGold Valley Rim TrailSmooth and very scenic on the uphill/flat...
      Jul 22, 2019 @ 7:48am
      Jul 22, 2019
      user #1828220deln78trailPauley Creek TrailAwesome trail! Just like in the description...
      Jul 22, 2019 @ 7:46am
      Jul 22, 2019

      Local Badges

      • By brenthillier NSMBA TRAILFORKS Plus & contributors
      • Admins: CAMTB, ericfoltz, jpmcghee, brianpetry, SBTS, TheAngryTomato
      • #7909 - 1,689 views
      • sierra county activity log | embed map of Sierra County mountain bike trails | sierra county mountain biking points of interest
      • subscribe 3d map donate to earn trail karma!

      Downloading of trail gps tracks in kml & gpx formats is enabled for Sierra County.
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