Les 3 Vallées · France
Ardoises
Red (intermediate)
40
Very good
301 m
Length
27 m
Vertical drop
2566 m
Starts at
2539 m
Ends at
8.3%
Avg gradient
17.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Ardoises is a red (intermediate) run at Les 3 Vallées measuring 301 m, dropping 27 m from 2566 m down to 2539 m. It averages a 8.3% gradient, steepening to around 17.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 40/100 — Very good
Vertical1/30
Length2/25
Gradient character17/25
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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