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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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      The ski resort Alpe du Grand-Serre – La Morte is located in the Arrondissement of Grenoble (France, Auvergne-Rhône-Alpes, Isère). For skiing and snowboarding, there are 55 km of slopes available. 15 lifts transport the guests. The winter sports area is situated between the elevations of 1,367 and 2,184 m.
      Parking telesiege de la Blache google parking directions
      This region uses the Uk/Euro style trail grading system.
      Activities Click to view
      Region Details
      • 2
      • 1
      • 9
      • 4
      • 4

      Region Status
      Open as of 1 day

      Stats

      Avg Trail Rating
      Trails (view details)
      64
      Trails Mountain Bike
      20
      Trails E-Bike
      20
      Trails Hike
      6
      Trails Trail Running
      6
      Trails Downhill Ski
      44
      Total Distance
      34 miles
      Total Descent Distance
      29 miles
      Total Descent
      27,096 ft
      Total Vertical
      5,878 ft
      Highest Trailhead
      7,092 ft
      Reports
      36
      Photos
      1
      Ridden Counter
      594

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 1 rides
      Past Week
      • 1 rides

      Photos of Alpe du Grand-Serre Mountain Bike

      trail: Cholonge_1
      11 |
      May 30, 2023 @ 1:15pm
      May 30, 2023

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      AppleNickaddreportactivity #75878558 and 7 more
      Jul 14, 2025 @ 1:57am
      16 hours
      provencembupdatetrailactivity #75086692
      Jul 3, 2025 @ 6:35am
      Jul 3, 2025
      provencembaddpoiactivity #74883508 and 1 more
      Jun 30, 2025 @ 6:05am
      Jun 30, 2025
      provencembcheckintrailactivity #74842669 and 2 more
      Jun 29, 2025 @ 12:40pm
      Jun 29, 2025
      provencembaddreportactivity #74842668 and 1 more
      Jun 29, 2025 @ 12:40pm
      Jun 29, 2025

      Nearby Areas

      namedistance
      Taillefer 31 km
      Les Seiglières 59.2 km
      Les 4 Seigneurs 2 1110 km
      Frange Verte 5 510 km
      Alpe d'Huez Bike Park 12 20 411.8 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike2014 miles7,831 ft10 miles4,140 ft
      #3,959#55136123
      E-Bike2014 miles7,831 ft10 miles4,140 ft
      #1,716#45359
      Hike66 miles1,522 ft3 miles3,028 ft
      #285363
      Trail Running66 miles1,522 ft3 miles3,028 ft
      #283362
      Downhill Ski4421 miles19,265 ft19 miles2,562 ft
      #12526
      • By elyariTF Pro TRAILFORKS TFSPAIN & contributors
      • Admins: provencemb, JordiBN
      • #44126 - 1,425 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Alpe du Grand-Serre.
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