Evasion Mont Blanc · France
Rosay
Black (advanced)
36
Enjoyable
302 m
Length
53 m
Vertical drop
1664 m
Starts at
1612 m
Ends at
16.2%
Avg gradient
23.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Rosay is a black (advanced) run at Evasion Mont Blanc measuring 302 m, dropping 53 m from 1664 m down to 1612 m. It averages a 16.2% gradient, steepening to around 23.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 36/100 — Enjoyable
Vertical2/30
Length2/25
Gradient character13/25
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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