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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
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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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      Trails within the City of Portland provide urban and forested mountain bike riding. 70+ miles of trails to explore
      Activities Click to view
      Region Details
      • 52
      • 25
      • 91
      • 81
      • 6
      • 1

      Region Status
      Open as of Nov 30, 2024
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      256
      Trails Mountain Bike
      257
      Trails E-Bike
      41
      Trails Hike
      251
      Trails Trail Running
      250
      Trails Snowshoe
      154
      Trails Backcountry Ski
      2
      Trails Nordic Ski
      97
      Total Distance
      69 miles
      Total Descent
      4,392 ft
      Total Vertical
      177 ft
      Highest Trailhead
      178 ft
      Reports
      549
      Photos
      103
      Ridden Counter
      25,336
      Sub Regions

      Photos of Portland Mountain Bike

      2 |
      Mar 28, 2025 @ 5:21pm
      Mar 28, 2025
      3 |
      Mar 27, 2025 @ 5:17am
      Mar 27, 2025
      3 |
      Mar 23, 2025 @ 3:38pm
      Mar 23, 2025
      6 |
      Mar 20, 2025 @ 7:13am
      Mar 20, 2025
      trail: Rock Loop
      6 |
      Mar 20, 2025 @ 5:07am
      Mar 20, 2025
      trail: Rock Loop
      4 |
      Mar 20, 2025 @ 5:06am
      Mar 20, 2025
      3 |
      Mar 12, 2025 @ 12:09pm
      Mar 12, 2025
      4 |
      Mar 12, 2025 @ 12:08pm
      Mar 12, 2025

      Videos of Portland Mountain Bike

      River Marsh Run
      0:52 | 51 | May 13, 2017

      Recent Trail Reports

      National Scenic Trails & Official Routes

      Activity Feed

      usernameactiontypetitledate
      edf232wishlistregionactivity #69718940
      Apr 15, 2025 @ 7:02pm
      Apr 15, 2025
      dr-robaddphotoactivity #68772673
      Mar 31, 2025 @ 2:40pm
      Mar 31, 2025
      dr-robaddphotoactivity #68772622
      Mar 31, 2025 @ 2:39pm
      Mar 31, 2025
      dr-robaddphotoactivity #68349538
      Mar 24, 2025 @ 1:40pm
      Mar 24, 2025
      dr-robaddphotoactivity #68081515 and 2 more
      Mar 20, 2025 @ 7:12am
      Mar 20, 2025

      Recent Comments

      usernametypetitlecommentdate
      dr-robreportPresumpscot River TrailThere’s also an incredible amount of trash...
      Nov 30, 2024 @ 2:17pm
      Nov 30, 2024
      rpackard808trailGolf to BlackstrapThis trail is actually pretty sweet. One the...
      Apr 7, 2024 @ 3:35pm
      Apr 7, 2024
      rpackard808trailEvergreen Rail Connector BStill doable, but not ridable. Prepare for wet...
      Oct 12, 2023 @ 10:24am
      Oct 12, 2023
      rpackard808trailEvergreen Rail Connector Athere is nothing here anymore.
      Oct 12, 2023 @ 10:23am
      Oct 12, 2023
      rpackard808trailWarren Ave Rail TrailIts more of just an abandoned rail line. The...
      Oct 12, 2023 @ 10:22am
      Oct 12, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike25769 miles4,393 ft24 miles177 ft
      #418#22790547519,349
      E-Bike416 miles59 ft4,941 ft121 ft
      #743#206435748
      Hike25164 miles4,255 ft23 miles177 ft
      #296#1835472407
      Trail Running25064 miles4,199 ft23 miles177 ft
      #299#183754725,958
      Snowshoe15432 miles1,693 ft11 miles177 ft
      #34#178460
      Backcountry Ski2679 ft3 ft95 ft98 ft
      26
      Nordic Ski9724 miles1,240 ft7 miles177 ft
      #23#1677488
      • By msandoraTF Pro & contributors
      • Admins: NEMBAEXEC, GP NEMBA, GP NEMBA
      • #13466 - 16,086 views

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