close
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
      No description for Nagano has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 1
      • 7
      • 5
      • 6

      Region Status
      Open as of Jun 10, 2025

      Stats

      Avg Trail Rating
      Trails (view details)
      22
      Trails Mountain Bike
      22
      Total Distance
      10 miles
      Total Descent
      8,533 ft
      Total Vertical
      2,442 ft
      Highest Trailhead
      5,865 ft
      Reports
      12
      Photos
      14
      Ridden Counter
      758
      Sub Regions

      Photos of Nagano Mountain Bike

      trail: Green
      216 |
      Feb 11, 2022 @ 2:33am
      Feb 11, 2022
      trail: Green
      252 |
      Nov 18, 2020 @ 6:00am
      Nov 18, 2020
      trail: Green
      167 |
      Nov 18, 2020 @ 6:00am
      Nov 18, 2020
      225 |
      Jun 2, 2019 @ 1:56pm
      Jun 2, 2019
      200 |
      Feb 27, 2019 @ 6:35am
      Feb 27, 2019
      209 |
      Feb 27, 2019 @ 6:31am
      Feb 27, 2019
      trail: Green
      360 |
      May 16, 2018 @ 5:48am
      May 16, 2018
      | 1 comments
      trail: Green
      419 |
      Oct 20, 2016 @ 7:28pm
      Oct 20, 2016

      Videos of Nagano Mountain Bike

      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      13:50 | 93 | Dec 7, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      13:50 | 133 | Dec 7, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      trail: Blue
      13:50 | 101 | Dec 6, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      trail: Blue
      13:50 | 79 | Dec 6, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      trail: Zekki
      13:50 | 69 | Dec 6, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      trail: Advanced
      13:50 | 153 | Nov 10, 2023 , Nagano
      youtuber JAPANS Biggest Bike Park! | I Crashed twice...
      trail: Green
      13:50 | 174 | Nov 10, 2023 , Nagano
      youtuber JAPANESE MTB PRO'S SHOW US THEIR FAVORITE TRAILS!

      19:44 | 456 | Oct 14, 2018

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      JesscLD0iawishlisttrailactivity #73905410 and 1 more
      Jun 16, 2025 @ 6:59am
      Jun 16, 2025
      specialevaddreportactivity #73468012
      Jun 10, 2025 @ 2:15am
      Jun 10, 2025
      specialevaddreportactivity #73317448
      Jun 7, 2025 @ 9:22pm
      Jun 7, 2025
      Jdrickswishlistregionactivity #72730547
      May 30, 2025 @ 3:12pm
      May 30, 2025
      shaggyskierwishlisttrailactivity #71067967
      May 5, 2025 @ 1:52pm
      May 5, 2025

      Recent Comments

      usernametypetitlecommentdate
      statukotrailGreenIt's a great trail. Fun and fast! I would...
      Jun 9, 2016 @ 5:16am
      Jun 9, 2016

      Local Badges


      • By brenthillierTF Pro NSMBA TRAILFORKS & contributors
      • Admins: KABA
      • #7826 - 4,223 views

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