Le Grand Bornand · France
La Noir des Pylones
Black (advanced)
59
Excellent
1.1 km
Length
272 m
Vertical drop
1541 m
Starts at
1269 m
Ends at
25.3%
Avg gradient
53.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
La Noir des Pylones is a black (advanced) run at Le Grand Bornand measuring 1.1 km, dropping 272 m from 1541 m down to 1269 m. It averages a 25.3% gradient, steepening to around 53.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 59/100 — Excellent
Vertical9/30
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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