Col d'Ornon · France
La Serpentine, L'Extrême
Red (intermediate)
35
Enjoyable
147 m
Length
54 m
Vertical drop
1839 m
Starts at
1785 m
Ends at
36%
Avg gradient
49%
Max gradient
sustained 50 m
Elevation profile
Run analysis
La Serpentine, L'Extrême is a red (intermediate) run at Col d'Ornon measuring 147 m, dropping 54 m from 1839 m down to 1785 m. It averages a 36% gradient, steepening to around 49% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 35/100 — Enjoyable
Vertical2/30
Length1/25
Gradient character13/25
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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