Les 3 Vallées · France
Plan Fontaine
Green (beginner)
48
Very good
282 m
Length
36 m
Vertical drop
1888 m
Starts at
1852 m
Ends at
12.1%
Avg gradient
25.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Plan Fontaine is a green (beginner) run at Les 3 Vallées measuring 282 m, dropping 36 m from 1888 m down to 1852 m. It averages a 12.1% gradient, steepening to around 25.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 48/100 — Very good
Vertical1/30
Length1/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a green (beginner) run should feel like, so every difficulty class can reach 100. Methodology
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