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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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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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      No description for Mang-Usan has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 3
      • 1
      • 6
      • 2

      Region Status
      Open as of Aug 30, 2023

      Stats

      Trails (view details)
      12
      Trails Mountain Bike
      12
      Trails E-Bike
      12
      Trails Hike
      12
      Trails Trail Running
      12
      Total Distance
      6 miles
      Total Descent Distance
      3 miles
      Total Descent
      2,017 ft
      Total Vertical
      754 ft
      Highest Trailhead
      897 ft
      Reports
      2
      Ridden Counter
      41

      Recent Trail Reports

      statustraildateconditioninfouser
      Mangsler Access Trail
      Mar 17, 2022 @ 11:21pm
      Mar 17, 2022
      IdealEuralevi
      Mangsler DH (OG)
      Mar 17, 2022 @ 11:21pm
      Mar 17, 2022
      IdealMoisture in dirt, but not too much to be...Euralevi

      Activity Feed

      usernameactiontypetitledate
      Euraleviaddreportactivity #27621354 and 1 more
      Mar 18, 2022 @ 3:43pm
      Mar 18, 2022
      Euraleviaddtrailactivity #26824924 and 6 more
      Feb 13, 2022 @ 10:25am
      Feb 13, 2022
      Euraleviaddtrailactivity #26365313
      Jan 25, 2022 @ 6:34am
      Jan 25, 2022
      Euraleviaddtrailactivity #25333248 and 2 more
      Dec 7, 2021 @ 8:30am
      Dec 7, 2021

      Nearby Areas

      namedistance
      Mang-Usan0.5 km
      Achasan 10.8 km
      Namyangju City 2 43.2 km
      Namhansan 5 39.7 km
      Umyeonsan 3 4 2 110 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike126 miles2,018 ft3 miles755 ft
      #14261
      E-Bike126 miles2,018 ft3 miles755 ft
      #1828
      Hike126 miles2,018 ft3 miles755 ft
      #1421
      Trail Running126 miles2,018 ft3 miles755 ft
      #142
      • By EuraleviTF Pro & contributors
      • Admins: apply
      • #47879 - 725 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Mang-Usan.
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