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
Loading interactive map…
Ski Diamant noir with the map in your pocket — offline.
Downloaded resort maps and your own run recording can work without mobile service. Live group positions require connectivity. Free to download; Premium features are available.