Les 3 Vallées · France
Plan Fontaine
Green (beginner)
45
Very good
461 m
Length
43 m
Vertical drop
1674 m
Starts at
1632 m
Ends at
9%
Avg gradient
24.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Plan Fontaine is a green (beginner) run at Les 3 Vallées measuring 461 m, dropping 43 m from 1674 m down to 1632 m. It averages a 9% gradient, steepening to around 24.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for an uphill section: 25 m of climb about 200 m in.
Bonvo Slope Score: 45/100 — Very good
Vertical1/30
Length2/25
Gradient character25/25
Flow16/20
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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