Roc d'Enfer · France
Les Lanches
Green (beginner)Grooming: classic
43
Very good
304 m
Length
23 m
Vertical drop
1502 m
Starts at
1479 m
Ends at
4.9%
Avg gradient
26.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Les Lanches is a green (beginner) run at Roc d'Enfer measuring 304 m, dropping 23 m from 1502 m down to 1479 m. It averages a 4.9% gradient, steepening to around 26.6% at its most sustained pitch.
Heads-up for snowboarders: 1 uphill section along this run — expect some unstrapping or skating.
Watch for an uphill section: 75 m of climb about 250 m in.
Bonvo Slope Score: 43/100 — Very good
Vertical1/30
Length2/25
Gradient character25/25
Flow16/20
Scored from the run's real geometry — steepness is judged against what a green (beginner) run should feel like, so every difficulty class can reach 100. Methodology
Explore Les Lanches on the map
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