Les 3 Vallées · France
Plan du Lac
Red (intermediate)
45
Very good
477 m
Length
50 m
Vertical drop
2359 m
Starts at
2309 m
Ends at
10.1%
Avg gradient
19.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Plan du Lac is a red (intermediate) run at Les 3 Vallées measuring 477 m, dropping 50 m from 2359 m down to 2309 m. It averages a 10.1% gradient, steepening to around 19.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 45/100 — Very good
Vertical2/30
Length2/25
Gradient character21/25
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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