close
  • BasemapMap 
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
3D
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • 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
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

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.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Rugged, mostly backcountry area made of a patchwork of national forest, conservation, and private lands. Mileage will be hard-earned on a bike here.
      Primary Trail Type: Cross-Country
      Parking google parking directions
      Activities Click to view
      Region Details
      • 14
      • 4
      • 4
      • 13
      • 4

      Region Status
      Caution as of Aug 14, 2024
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      39
      Trails Mountain Bike
      39
      Trails E-Bike
      13
      Trails Horse
      22
      Trails Hike
      39
      Trails Trail Running
      39
      Trails Dirtbike/Moto
      13
      Trails ATV/ORV/OHV
      13
      Trails Snowmobile
      5
      Total Distance
      70 miles
      Total Descent
      11,935 ft
      Total Vertical
      3,475 ft
      Highest Trailhead
      7,945 ft
      Reports
      51
      Photos
      161
      Ridden Counter
      1,274

      Photos of Grouse Ridge Mountain Bike

      17 |
      Jul 29, 2024 @ 4:32pm
      Jul 29, 2024
      32 |
      Sep 16, 2023 @ 8:32pm
      Sep 16, 2023
      81 |
      Jul 31, 2023 @ 12:14pm
      Jul 31, 2023
      74 |
      Jul 31, 2023 @ 12:13pm
      Jul 31, 2023
      47 |
      May 29, 2023 @ 10:15am
      May 29, 2023
      15 |
      May 29, 2023 @ 10:14am
      May 29, 2023
      18 |
      May 29, 2023 @ 10:14am
      May 29, 2023
      46 |
      Aug 17, 2022 @ 3:49pm
      Aug 17, 2022

      Videos of Grouse Ridge Mountain Bike

      youtuber Beyers Lake Trail - Not a good time for a...
      29:15 | 182 | Aug 19, 2022 , Nevada City
      Upper Pioneer Trail
      6:53 | 341 | Aug 25, 2021 , Nevada City
      Grouse Ridge Trail: Blue Lake Trail to Lookout
      303 | Aug 22, 2019 , Nevada City
      youtuber Grousefest 2018 (Nevada County, CA) Mountain...
      14:43 | 578 | Sep 22, 2018 , Nevada City
      Grouse Ridge | MTN BIKE Adventure
      3:50 | 597 | Sep 6, 2018 , Nevada City
      Grouse Ridge | MTN BIKE Adventure
      3:50 | 889 | Sep 6, 2018 , Nevada City
      Grouse Ridge | MTN BIKE Adventure
      3:50 | 806 | Sep 6, 2018 , Nevada City
      youtuber Grouse Ridge 2018 - Part 2 - Collab Ride with...
      17:43 | 644 | Jul 27, 2018 , Nevada City

      Recent Trail Reports

      statustraildateconditioninfouser
      Grouse Ridge Trail: Lindsay Lake Trail to Sawmill Lake
      Aug 14, 2024 @ 1:19pm
      Aug 14, 2024
      		 DryTrees down, extreme climb, really fun...icemaniver
      Glacier Lake Trail
      Aug 14, 2024 @ 1:19pm
      Aug 14, 2024
      		 Ideal$$$ difficult variable tech adventureicemaniver
      Sand Ridge Trail
      Aug 14, 2024 @ 1:19pm
      Aug 14, 2024
      		 IdealLots of HAB for me, steep and loose...icemaniver
      Grouse Ridge Trail: Sand Ridge to Lindsay Lake
      Aug 14, 2024 @ 1:19pm
      Aug 14, 2024
      		 DryAlmost 100% rideable! Trees down and some...icemaniver
      Pioneer Trail--Lang's Crossing to Spaulding Lake Tr.
      Jul 11, 2024 @ 2:59am
      Jul 11, 2024
      		 Very Drychriscrisp
      Spaulding Lake Trail
      Nov 1, 2023 @ 7:34am
      Nov 1, 2023
      		 DryUpper 1/2 of trail definitely deserves a...CortisCooper
      Grouse Ridge Trail: Blue Lake Trail To Spaulding Lake Trail
      Nov 1, 2023 @ 7:34am
      Nov 1, 2023
      		 DryIt's definitely a red trail with badly...CortisCooper
      Crooked Lakes Trail
      Sep 16, 2023 @ 8:41pm
      Sep 16, 2023
      		 Dry Many trees down across the trail that you...roldog27
      Round Lake Trail (West)
      Sep 16, 2023 @ 8:28pm
      Sep 16, 2023
      		 Dry A number of trees down across the trail....roldog27
      Lindsay Lake Trail
      Sep 16, 2023 @ 6:26pm
      Sep 16, 2023
      		 Dry At least one tree down. I only rode...roldog27

      Activity Feed

      usernameactiontypetitledate
      Grizzkidcommenttrailactivity #59657070 and 1 more
      Sep 29, 2024 @ 10:41am
      Sep 29, 2024
      TheAngryTomatoaddtrailactivity #59567350 and 1 more
      Sep 27, 2024 @ 9:06am
      Sep 27, 2024
      TheAngryTomatoupdatetrailactivity #59567250
      Sep 27, 2024 @ 9:04am
      Sep 27, 2024
      TheAngryTomatoupdatepoiactivity #59523062
      Sep 26, 2024 @ 8:13am
      Sep 26, 2024
      TheAngryTomatoaddtrailactivity #59522543 and 6 more
      Sep 26, 2024 @ 8:00am
      Sep 26, 2024

      Recent Comments

      usernametypetitlecommentdate
      GrizzkidtrailSpaulding Lake TrailAs you can see from the comments, this trail...
      Sep 29, 2024 @ 10:56am
      Sep 29, 2024
      GrizzkidtrailGrouse Ridge Trail: Blue Lake Trail To Spaulding Lake TrailJa ja ja janky. A bit like riding down a creek...
      Sep 29, 2024 @ 10:41am
      Sep 29, 2024
      Salguod14trailSpaulding Lake TrailOne of the few trails in the area that...
      Jun 16, 2024 @ 5:11pm
      Jun 16, 2024
      connorhmeanstrailBull Pen TrailWhat trails are better in Grouse Ridge?
      Sep 18, 2023 @ 4:03pm
      Sep 18, 2023
      deln78trailGrouse Ridge Trail: Blue Lake Trail To Spaulding Lake TrailGreat trail! A lot of effort to get to and...
      Jul 16, 2022 @ 5:38pm
      Jul 16, 2022

      Nearby Areas

      namedistance
      Fordyce 5 1 25.6 km
      Yuba Gap 17.1 km
      Summit Lakes 110.2 km
      Burlington Motorcyle Trail System 2 611.4 km
      NFA Upper Gorge 3 112 km

      Local Badges

      Local Mountain Biking Directory


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike3970 miles11,936 ft32 miles3,474 ft
      		#4,657#2,117158518388
      E-Bike1324 miles2,260 ft11 miles2,467 ft
      		#3,423#79331128
      Horse2232 miles3,652 ft14 miles3,474 ft
      		#465#348431
      Hike3970 miles11,936 ft32 miles3,474 ft
      		#3,801#1,9444513273
      Trail Running3970 miles11,936 ft32 miles3,474 ft
      		#3,819#1,94851315
      Dirtbike/Moto1324 miles2,260 ft11 miles2,467 ft
      		#210#14232
      ATV/ORV/OHV1324 miles2,260 ft11 miles2,467 ft
      		#104#583
      Snowmobile5
      		#226
      • By TheAngryTomatoTF Pro TRAILFORKS & contributors
      • Admins: BONC, TTF, Karlisle, Fgrgi000, earthairdesign, BONC, hoot-trail, Redhawk, truckeetrailsfoundation
      • #23804 - 6,077 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Grouse Ridge.
      You must login to download files.