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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
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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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      Popular Trail Networks

      title
      Northstar California Resort 5 15 11 8
      Tahoe Donner 7 39 2
      Prosser Hill 13 20 7
      Donner Summit 5 7 17 5
      Sawtooth 14 17 1
      view all areas »
      No description for Nevada County has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 278
      • 30
      • 195
      • 276
      • 84
      • 20
      • 4

      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      1,218
      Trails Mountain Bike
      890
      Trails E-Bike
      281
      Trails Horse
      365
      Trails Hike
      876
      Trails Trail Running
      867
      Trails Dirtbike/Moto
      102
      Trails Observed Trials
      20
      Trails ATV/ORV/OHV
      62
      Trails Snowmobile
      11
      Trails Snowshoe
      15
      Trails Downhill Ski
      109
      Trails Backcountry Ski
      21
      Trails Nordic Ski
      190
      Total Distance
      1,215 mile
      Total Descent
      244,784 ft
      Total Vertical
      8,933 ft
      Highest Trailhead
      9,195 ft
      Reports
      5,434
      Photos
      2,488
      Ridden Counter
      218,824

      Outside Logo Articles

      Video: How the Grinch (Almost) Ruined MTB Christmas
      Dec 24, 2019 from pinkbike.com
      Don't be like the Grinch, tune-up your trail etiquette in a cinch.
      Video & Report: Racing and Slopestyle for All at the Little Big Bike Festival
      Oct 23, 2019 from pinkbike.com
      Blue slope courses and loads of kids' events make the Little Big Bike Festival suitable for everyone.
      Video: Melamed, Gauvin, Lanthier Nadeau & Ostroski Take on America in Episode 5 of 'The Jank Files'
      Sep 6, 2019 from pinkbike.com
      The combination of moon dust and boulders at Northstar meant staying upright was a gamble on every stage.
      Video: WynTV Post Race Interviews - EWS Northstar
      Aug 28, 2019 from pinkbike.com
      Wyn interviews the survivors of Gnar-Star

      Popular Nevada County Mountain Biking Trails

      statustitledifficultyrating
      Donkey Town Trail
      Donkey Town
      Hoot Trail
      Harmony/Washington Ridge
      Jackass Point
      Donkey Town
      Gypsy
      Northstar California Resort
      Jackass Point Spur (East)
      Donkey Town
      Livewire
      Northstar California Resort
      Scotts Flat Trail
      Harmony/Washington Ridge
      Mineshaft
      Northstar California Resort
      Liftline
      Northstar California Resort
      Shortcut To Market
      Harmony/Washington Ridge
      Big Chief Trail (Lower)
      Big Chief
      El Burro Trail
      Donkey Town
      Scotts Flat Connector
      Harmony/Washington Ridge
      Sawtooth Trail (Lower Ridgeline)
      Sawtooth
      Phodogg
      Northstar California Resort

      Nevada County Mountain Bike Routes

      titleratingdistance
      Sawtooth, a bear, two beavers, two bridges, and a happy face
      Sawtooth
      13 miles
      Jackass-Loop-4mi
      Sawtooth
      4 miles
      Jackass Complete 2020
      Sawtooth
      4 miles
      Dieter And Dave's
      Sawtooth
      15 miles
      Pioneer Circuit
      Tahoe Donner
      8 miles
      Hoot-Scotts-Miners
      Harmony/Washington Ridge
      19 miles
      Jackass A1 Double Loop
      Sawtooth
      7 miles
      Skillman to 49
      Nevada City
      22 miles
      Emigrant Beginner Loop
      Prosser Hill
      5 miles
      Hole in the Ground Loop
      16 miles

      Recent Ride Log Activity in Region

      Today
      • 1 rides
      Yesterday
      • 85 rides
      Past Week
      • 698 rides

      Photos of Nevada County Mountain Bike

      33 |
      Aug 21, 2021 @ 4:59pm
      Aug 21, 2021
      45 |
      Aug 21, 2021 @ 9:15am
      Aug 21, 2021
      49 |
      Aug 21, 2021 @ 9:14am
      Aug 21, 2021
      trail: Hewlett Road
      15 |
      Aug 21, 2021 @ 9:12am
      Aug 21, 2021
      trail: Miner's Trail
      217 |
      Apr 20, 2019 @ 9:16pm
      Apr 20, 2019
      trail: Hoot Trail
      454 |
      Apr 20, 2019 @ 9:15pm
      Apr 20, 2019
      trail: Miner's Trail
      424 |
      Jan 5, 2019 @ 7:18pm
      Jan 5, 2019
      trail: Hoot Trail
      372 |
      Jan 2, 2019 @ 6:24pm
      Jan 2, 2019

      Videos of Nevada County Mountain Bike

      featured The Little Big 2013

      5:27 | 2615 | Jul 21, 2014
      Lip Skid
      trail: Livewire
      23 | Aug 29, 2023
      Sticks and Stones DH Race at Northstar 2019
      trail: Livewire
      11 | Jun 3, 2023
      Commiting cringe on a fireroad
      trail: Livewire
      77 | Sep 15, 2022
      Jessica's mini road gap fail
      63 | Aug 30, 2022
      Northstar California Resort | Ultra Slow GOPRO 10!
      trail: Gypsy
      20 | Jul 11, 2022
      Talon Show First Ride
      trail: Talon Show
      | May 10, 2022
      That rock was too close
      136 | Feb 4, 2022

      Current Trail Warnings

      statustraildateconditionuserinfo
      Donner Lake Rim Trail (Wendin/Drifter Connector)
      Donner Lake Rim Trail
      Sep 15, 2023 @ 10:21am
      Sep 15, 2023
      IdealTheAngryTomato TRAILFORKSClosed indefinitely for bridge repairs
      Donner Lake Rim Trail/West Gatson Road
      Donner Lake Rim Trail
      Sep 15, 2023 @ 10:21am
      Sep 15, 2023
      IdealTheAngryTomato TRAILFORKSClosed indefinitely for bridge repairs
      Donner Lake Rim Trail (Johnson Canyon)
      Donner Lake Rim Trail
      Sep 15, 2023 @ 9:40am
      Sep 15, 2023
      IdealRedhawk BONC Closed for bridge repair with no current...

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      SanjaywKEEjzaddreportTahoe-Pyramid Trail (Farad Powerhouse)
      Sep 20, 2023 @ 9:14pm
      12 hours
      DavidBoardwishlistskillparkTruckee Bike Park Dirt Jumps
      Sep 20, 2023 @ 11:31am
      22 hours
      TheAngryTomatoupdatepolygonPrivate property - Keep out
      Sep 20, 2023 @ 10:46am
      23 hours
      TheAngryTomatoaddpoiGate (Private vehicles only)
      Sep 20, 2023 @ 10:37am
      23 hours
      TheAngryTomatoaddpoiGate (Seasonal - closed for winter) and 1 more
      Sep 20, 2023 @ 10:36am
      23 hours

      Recent Comments

      usernametypetitlecommentdate
      connorhmeanstrailBull Pen TrailWhat trails are better in Grouse Ridge?
      Sep 18, 2023 @ 4:03pm
      3 days
      MtbSince84trailDonkey Town TrailThanks for the reply! I updated both the map...
      Sep 13, 2023 @ 8:57pm
      Sep 13, 2023
      TheAngryTomatotrailDonkey Town TrailHi there - that polygon was archived at the...
      Sep 13, 2023 @ 7:35pm
      Sep 13, 2023
      MtbSince84trailDonkey Town TrailHi Truckee-area Trailforks czar (whoever you...
      Sep 13, 2023 @ 5:46pm
      Sep 13, 2023
      MtbSince84trailJackass RoadHi Truckee-area Trailforks czar (whoever you...
      Sep 13, 2023 @ 5:46pm
      Sep 13, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike890981 miles164,865 ft458 miles8,934 ft
      2,3525,401105103,863
      E-Bike281322 miles52,326 ft154 miles8,875 ft
      304,212135,986
      Horse365433 miles65,833 ft194 miles8,684 ft
      1,761990
      Hike875991 miles159,121 ft452 miles8,934 ft
      1605,292225,558
      Trail Running867978 miles155,951 ft446 miles8,934 ft
      25,254187,355
      Dirtbike/Moto102159 miles22,388 ft74 miles7,408 ft
      31,0902154
      Observed Trials2029 miles3,281 ft14 miles3,048 ft
      8830
      ATV/ORV/OHV62123 miles12,589 ft53 miles5,154 ft
      1,010130
      Snowmobile1110 miles1,988 ft8 miles1,604 ft
      31111
      Snowshoe1520 miles2,215 ft9 miles3,878 ft
      322652
      Downhill Ski10955 miles48,179 ft52 miles2,215 ft
      3554,493
      Backcountry Ski2123 miles10,131 ft11 miles4,665 ft
      222,109
      Nordic Ski190126 miles14,203 ft57 miles1,644 ft
      23315,182
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: CMBC, ericfoltz, Redhawk, jpmcghee, sanfret, brianpetry, maddy03, SBTS, TheAngryTomato, BONC
      • #7908 - 12,802 views
      • nevada county activity log | embed map of Nevada County mountain bike trails | nevada county mountain biking points of interest polygons

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