Les 3 Vallées · France
Pralong-Suisses
Blue (easy)
49
Very good
515 m
Length
55 m
Vertical drop
2145 m
Starts at
2091 m
Ends at
10.4%
Avg gradient
17.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Pralong-Suisses is a blue (easy) run at Les 3 Vallées measuring 515 m, dropping 55 m from 2145 m down to 2091 m. It averages a 10.4% gradient, steepening to around 17.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 49/100 — Very good
Vertical2/30
Length3/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
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