Le Grand Massif · France
Aigle noir
Black (advanced)Grooming: backcountry
49
Very good
246 m
Length
121 m
Vertical drop
1973 m
Starts at
1852 m
Ends at
48.4%
Avg gradient
72.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Aigle noir is a black (advanced) run at Le Grand Massif measuring 246 m, dropping 121 m from 1973 m down to 1852 m. It averages a 48.4% gradient, steepening to around 72.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 49/100 — Very good
Vertical4/30
Length1/25
Gradient character24/25
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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