La Sambuy Seythenex · France
Le Roc à L'Âne
Black (advanced)
55
Excellent
585 m
Length
226 m
Vertical drop
1774 m
Starts at
1548 m
Ends at
37.7%
Avg gradient
57.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Le Roc à L'Âne is a black (advanced) run at La Sambuy Seythenex measuring 585 m, dropping 226 m from 1774 m down to 1548 m. It averages a 37.7% gradient, steepening to around 57.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 55/100 — Excellent
Vertical8/30
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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