La Rosière · France
Libellule
Green (beginner)
50
Very good
487 m
Length
81 m
Vertical drop
1950 m
Starts at
1869 m
Ends at
16.2%
Avg gradient
24.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Libellule is a green (beginner) run at La Rosière measuring 487 m, dropping 81 m from 1950 m down to 1869 m. It averages a 16.2% gradient, steepening to around 24.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 50/100 — Very good
Vertical3/30
Length2/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a green (beginner) run should feel like, so every difficulty class can reach 100. Methodology
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