Evasion Mont Blanc · France
Rosay
Black (advanced)
47
Very good
103 m
Length
44 m
Vertical drop
1827 m
Starts at
1783 m
Ends at
35.5%
Avg gradient
55.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Rosay is a black (advanced) run at Evasion Mont Blanc measuring 103 m, dropping 44 m from 1827 m down to 1783 m. It averages a 35.5% gradient, steepening to around 55.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 47/100 — Very good
Vertical1/30
Length1/25
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 Rosay on the map
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