Evasion Mont Blanc · France
Boënet Bis
Red (intermediate)
47
Very good
175 m
Length
43 m
Vertical drop
1799 m
Starts at
1755 m
Ends at
21.6%
Avg gradient
29.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Boënet Bis is a red (intermediate) run at Evasion Mont Blanc measuring 175 m, dropping 43 m from 1799 m down to 1755 m. It averages a 21.6% gradient, steepening to around 29.4% 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 red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
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