1.2 miles
Distance
-1,767 ft
Descent
2 miles
High Point

Tunnel Details

  • Activities
    • Downhill Ski
  • Riding Area
    Alpe d'Huez ski
    Alpe d'Huez
  • Difficulty Rating
  • Winter only trail
  • Trail Type
    Ski Run (Piste)
  • Snow Grooming
    Mogul
  • Direction
    Downhill Only
  • Physical Rating
    Extreme
  • Local Popularity
    55 in Skiing
  • OSM Way

Steepest black run world wide

More Stats for Tunnel downhill ski trail trail
  • Altitude change
    -1,767 ft
  • Altitude min
    8,426 ft
  • Altitude start
    10,194 ft
  • Altitude end
    8,425 ft
  • Grade
    -27.5%
  • Grade max
    -109.3%
  • Grade min
    -9.6%
  • Distance down
    1 mile
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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
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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.
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      Directions to tunnel-23422431 trailhead (45.123280, 6.125140)
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      Tunnel Trail Reports

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      Recent Ridelog Activity on Trail

      Past Week
      • 0 rides
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      6 Months
      • 0 rides
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      All
      • 36 rides
      •  

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