Les Sybelles · France
Vallons
Blue (easy)
39
Enjoyable
644 m
Length
192 m
Vertical drop
2185 m
Starts at
1993 m
Ends at
29.5%
Avg gradient
38.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Vallons is a blue (easy) run at Les Sybelles measuring 644 m, dropping 192 m from 2185 m down to 1993 m. It averages a 29.5% gradient, steepening to around 38.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 39/100 — Enjoyable
Vertical6/30
Length3/25
Gradient character9/25
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
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