Le Grand Massif · France
Diamant noir
Black (advanced)
64
Excellent
1.1 km
Length
394 m
Vertical drop
2469 m
Starts at
2075 m
Ends at
35%
Avg gradient
75%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Diamant noir is a black (advanced) run at Le Grand Massif measuring 1.1 km, dropping 394 m from 2469 m down to 2075 m. It averages a 35% gradient, steepening to around 75% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 64/100 — Excellent
Vertical13/30
Length6/25
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
Explore Diamant noir on the map
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