Alpe d'Huez Grand Domaine · France
Tunnel
Black (advanced)Grooming: classic
51
Very good
561 m
Length
124 m
Vertical drop
2659 m
Starts at
2535 m
Ends at
21.6%
Avg gradient
68.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tunnel is a black (advanced) run at Alpe d'Huez Grand Domaine measuring 561 m, dropping 124 m from 2659 m down to 2535 m. It averages a 21.6% gradient, steepening to around 68.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 51/100 — Very good
Vertical4/30
Length3/25
Gradient character24/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
Explore Tunnel on the map
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