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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
      No description for Sierra County has been added yet! Login or register to submit one.
      Region Details
      • 15
      • 1
      • 23
      • 10


      Caution on 3 days

      Stats

      Avg Trail Rating
      Trails (view details)
      49
      Trails Mountain Bike
      50
      Trails E-Bike
      2
      Trails Hike
      50
      Trails Trail Running
      50
      Total Distance
      216 miles
      Total Descent Distance
      102 miles
      Total Descent
      66,609 ft
      Total Vertical
      6,174 ft
      Highest Trailhead
      8,490 ft
      Reports
      138
      Photos
      204
      Ridden Counter
      4,711
      Sub Regions

      Photos of Sierra County Mountain Bike

      10 |
      Jan 17, 2019 @ 8:48am
      Jan 17, 2019
      6 |
      Jan 17, 2019 @ 8:47am
      Jan 17, 2019
      48 |
      Nov 20, 2018 @ 3:15pm
      Nov 20, 2018
      Downie River Trail, Downieville
      47 |
      Nov 7, 2018 @ 9:30am
      Nov 7, 2018
      Downie River Trail, Walnut Creek
      more photos »

      Videos of Sierra County Mountain Bike

      2018 Downie w titos
      29:19 | 61 | Jun 20, 2018
      Hardstyle @ Downieville
      1:35 | 111 | Oct 1, 2017
      Waterfall Line
      0:19 | 142 | Sep 16, 2016
      Nectar on Third
      0:15 | 87 | Sep 6, 2016
      more videos »

      Sierra County Mountain Bike Routes

      titleratingdistance
      Downieville Downhill
      15 miles
      Gold Valley Rim-Pauley-2nd Divide Semi Epic
      20 miles
      Moderate Forest City Loop
      17 miles
      High Grade-Sandusky-Ridge Runner Loop
      13 miles

      Recent Comments

      usernametypetitlecommentdate
      user #1196532mtbingadventurestrailBig BoulderThis trail is well worth the effort it takes...
      Nov 2, 2018 @ 7:01am
      Nov 2, 2018
      user #1196532mtbingadventurestrailNorth Yuba TrailThe west side of the trail needs major work...
      Sep 12, 2018 @ 9:11pm
      Sep 12, 2018
      user #955070whoisadamtrailMt Elwell Trail - SouthThis trail is a must do. I'm a big fan I...
      Sep 8, 2018 @ 11:29am
      Sep 8, 2018
      user #932123joefabristrailGold Valley Rim TrailRode this for the first time in the D’Ville...
      Aug 7, 2018 @ 4:34pm
      Aug 7, 2018
      user #1242322EvankinntrailMt Elwell Trail - SouthFr
      Jul 9, 2018 @ 7:36pm
      Jul 9, 2018
      more »

      Recent Activity

      usernameactiontypetitledate
      user #1399912hasank2wishlisttrailDownie River Trail and 2 more
      Feb 18, 2019 @ 5:12pm
      6 hours
      user #757292FlockowishlisttrailSunrise Trail and 5 more
      Feb 8, 2019 @ 2:07am
      Feb 8, 2019
      user #789337JooorgeeewishlisttrailGold Valley Rim Trail and 1 more
      Feb 7, 2019 @ 2:13pm
      Feb 7, 2019
      user #1309991B-milkraceraddridelogAug 5, 2017 ride log
      Feb 5, 2019 @ 12:03pm
      Feb 5, 2019
      user #144281mrpercussiveaddridelogJul 13, 2018 ride log
      Feb 2, 2019 @ 9:07pm
      Feb 2, 2019
      view more »
      • By brenthillier NSMBA Plus & contributors
      • Admins: ericfoltz, jpmcghee, SBTS, TheAngryTomato
      • #7909 - 1,385 views
      • sierra county activity log | embed map of Sierra County mountain bike trails | sierra county mountain biking points of interest
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      Downloading of trail gps tracks in kml & gpx formats is enabled for Sierra County.
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