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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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      Mostly unsanctioned neighborhood trails above Armstrong tract connecting to Tahoe Donner
      Primary Trail Type: Cross-Country
      Activities Click to view
      Region Details
      • 2
      • 1
      • 5

      Region Status
      Caution as of Jun 11, 2023

      Stats

      Avg Trail Rating
      Trails (view details)
      8
      Trails Mountain Bike
      8
      Trails Horse
      7
      Trails Hike
      8
      Trails Trail Running
      8
      Total Distance
      3 miles
      Total Descent
      473 ft
      Total Vertical
      361 ft
      Highest Trailhead
      6,593 ft
      Reports
      43
      Ridden Counter
      755

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      WillieJacobszupdateregionactivity #46789542
      Nov 29, 2023 @ 10:07am
      Nov 29, 2023
      TheAngryTomatoupdatetrailactivity #43435226
      Aug 27, 2023 @ 6:21pm
      Aug 27, 2023
      tapesriddentrailactivity #41891197 and 4 more
      Jul 17, 2023 @ 10:21am
      Jul 17, 2023
      Rschwartz84addreportactivity #40835232
      Jun 11, 2023 @ 12:45pm
      Jun 11, 2023
      Blur2020wishlisttrailactivity #34636401
      Oct 17, 2022 @ 7:50am
      Oct 17, 2022

      Nearby Areas

      namedistance
      Donner Memorial State Park 3 4 10.6 km
      Donkey Town 41.5 km
      Tahoe Donner 9 43 22.5 km
      Johnson Canyon 43.2 km
      Sawtooth 15 18 13.3 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike83 miles472 ft1 mile361 ft
      #7,392#3,156431420
      Horse73 miles436 ft1 mile361 ft
      #483#3428
      Hike83 miles472 ft1 mile361 ft
      #6,440#3,0034364
      Trail Running83 miles472 ft1 mile361 ft
      #6,441#3,0014372
      • By TheAngryTomato TRAILFORKS & contributors
      • Admins: TTF, TDLT, DPMR, pedrodelmonte, truk13, Fgrgi000, BONC, TTF, Karlisle, truk13
      • #40784 - 816 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Armstrong Urban Trails.
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