Les 3 Vallées · France
Lanches
Red (intermediate)
54
Very good
696 m
Length
164 m
Vertical drop
2227 m
Starts at
2063 m
Ends at
23.5%
Avg gradient
47.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lanches is a red (intermediate) run at Les 3 Vallées measuring 696 m, dropping 164 m from 2227 m down to 2063 m. It averages a 23.5% gradient, steepening to around 47.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical5/30
Length3/25
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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