Le Grand Bornand · France
Les Dames
Black (advanced)
62
Excellent
1.0 km
Length
339 m
Vertical drop
1772 m
Starts at
1433 m
Ends at
32.3%
Avg gradient
56.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Les Dames is a black (advanced) run at Le Grand Bornand measuring 1.0 km, dropping 339 m from 1772 m down to 1433 m. It averages a 32.3% gradient, steepening to around 56.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 62/100 — Excellent
Vertical11/30
Length5/25
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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