Col d'Ornon · France
Les Tétras, La Serpentine
Red (intermediate)
47
Very good
411 m
Length
137 m
Vertical drop
1757 m
Starts at
1621 m
Ends at
32.2%
Avg gradient
42.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Les Tétras, La Serpentine is a red (intermediate) run at Col d'Ornon measuring 411 m, dropping 137 m from 1757 m down to 1621 m. It averages a 32.2% gradient, steepening to around 42.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 47/100 — Very good
Vertical5/30
Length2/25
Gradient character21/25
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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