Roc d'Enfer · France
Les Lanches
Blue (easy)Grooming: classic
48
Very good
269 m
Length
40 m
Vertical drop
1524 m
Starts at
1484 m
Ends at
14.6%
Avg gradient
34%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Les Lanches is a blue (easy) run at Roc d'Enfer measuring 269 m, dropping 40 m from 1524 m down to 1484 m. It averages a 14.6% gradient, steepening to around 34% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 48/100 — Very good
Vertical1/30
Length1/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
Explore Les Lanches on the map
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