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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
Max Vehicle Width
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US Cell Coverage
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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.
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Only show trails with NO bikes.
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      No description for Alto Pass has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 18
      • 1

      Region Status
      Open as of Feb 7, 2024

      Stats

      Trails (view details)
      32
      Trails Mountain Bike
      19
      Trails Horse
      22
      Trails Hike
      32
      Trails Trail Running
      17
      Trails Nordic Ski
      7
      Total Distance
      48 miles
      Total Descent Distance
      23 miles
      Total Descent
      5,349 ft
      Total Vertical
      588 ft
      Highest Trailhead
      939 ft
      Ridden Counter
      171
      Sub Regions

      National Scenic Trails & Official Routes

      Activity Feed

      usernameactiontypetitledate
      PlumbBobMaddtrailactivity #36447854
      Jan 3, 2023 @ 8:39am
      Jan 3, 2023
      PlumbBobMaddtrailactivity #36447720 and 4 more
      Jan 3, 2023 @ 8:32am
      Jan 3, 2023
      PlumbBobMaddtrailactivity #36113712
      Dec 19, 2022 @ 9:25am
      Dec 19, 2022
      PlumbBobMupdateregionactivity #36006324
      Dec 13, 2022 @ 2:21pm
      Dec 13, 2022
      PlumbBobMaddpoiactivity #36005730 and 3 more
      Dec 13, 2022 @ 1:44pm
      Dec 13, 2022

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike1923 miles2,510 ft12 miles486 ft
      		#6,062141
      Horse2229 miles3,488 ft13 miles574 ft
      		#1,403
      Hike3248 miles5,351 ft23 miles587 ft
      		#5,2938
      Trail Running1724 miles2,552 ft13 miles486 ft
      		#4,270
      Nordic Ski74 miles151 ft3,491 ft341 ft
      		#935

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