Roc d'Enfer · France
Follys, L'Aigle
Red (intermediate)Grooming: classic
56
Excellent
832 m
Length
200 m
Vertical drop
1652 m
Starts at
1453 m
Ends at
23.5%
Avg gradient
55.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Follys, L'Aigle is a red (intermediate) run at Roc d'Enfer measuring 832 m, dropping 200 m from 1652 m down to 1453 m. It averages a 23.5% gradient, steepening to around 55.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical7/30
Length4/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
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