Les Sybelles · France
J.N. Augert Haut
Black (advanced)Grooming: classic
47
Very good
137 m
Length
54 m
Vertical drop
2148 m
Starts at
2094 m
Ends at
35.9%
Avg gradient
47.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
J.N. Augert Haut is a black (advanced) run at Les Sybelles measuring 137 m, dropping 54 m from 2148 m down to 2094 m. It averages a 35.9% gradient, steepening to around 47.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 47/100 — Very good
Vertical2/30
Length1/25
Gradient character25/25
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
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