Hirmentaz - Les Habères · France
Le Bois Noir
Blue (easy)
47
Very good
149 m
Length
25 m
Vertical drop
1010 m
Starts at
985 m
Ends at
16.6%
Avg gradient
22.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Le Bois Noir is a blue (easy) run at Hirmentaz - Les Habères measuring 149 m, dropping 25 m from 1010 m down to 985 m. It averages a 16.6% gradient, steepening to around 22.1% 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 blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
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