Roc d'Enfer · France
Le Lac
Unrated
42
Very good
875 m
Length
130 m
Vertical drop
1251 m
Starts at
1121 m
Ends at
14.8%
Avg gradient
33.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Le Lac is a unrated run at Roc d'Enfer measuring 875 m, dropping 130 m from 1251 m down to 1121 m. It averages a 14.8% gradient, steepening to around 33.8% at its most sustained pitch.
Heads-up for snowboarders: 1 uphill section along this run — expect some unstrapping or skating.
Watch for 2 uphill sections: 25 m of climb about 650 m in; 50 m of climb about 725 m in.
Bonvo Slope Score: 42/100 — Very good
Vertical4/30
Length4/25
Gradient character25/25
Flow8/20
Scored from the run's real geometry — steepness is judged against what a unrated run should feel like, so every difficulty class can reach 100. Methodology
Explore Le Lac on the map
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