Serre Chevalier · France
Couloirs
Black (advanced)Grooming: backcountry
55
Excellent
509 m
Length
209 m
Vertical drop
2326 m
Starts at
2117 m
Ends at
39.8%
Avg gradient
71.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Couloirs is a black (advanced) run at Serre Chevalier measuring 509 m, dropping 209 m from 2326 m down to 2117 m. It averages a 39.8% gradient, steepening to around 71.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 55/100 — Excellent
Vertical7/30
Length3/25
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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