La Pierre-Saint-Martin · France
La Noire
Black (advanced)
65
Excellent
1.5 km
Length
372 m
Vertical drop
1913 m
Starts at
1541 m
Ends at
24%
Avg gradient
42.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
La Noire is a black (advanced) run at La Pierre-Saint-Martin measuring 1.5 km, dropping 372 m from 1913 m down to 1541 m. It averages a 24% gradient, steepening to around 42.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 65/100 — Excellent
Vertical12/30
Length8/25
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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