Evasion Mont Blanc · France
Blaireau
Black (advanced)
48
Very good
519 m
Length
140 m
Vertical drop
1728 m
Starts at
1588 m
Ends at
26.5%
Avg gradient
46.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Blaireau is a black (advanced) run at Evasion Mont Blanc measuring 519 m, dropping 140 m from 1728 m down to 1588 m. It averages a 26.5% gradient, steepening to around 46.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for an uphill section: 25 m of climb about 0 m in.
Bonvo Slope Score: 48/100 — Very good
Vertical5/30
Length3/25
Gradient character25/25
Flow16/20
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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