Les 3 Vallées · France
Marmottons
Red (intermediate)
37
Enjoyable
459 m
Length
30 m
Vertical drop
2318 m
Starts at
2288 m
Ends at
6.3%
Avg gradient
15%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Marmottons is a red (intermediate) run at Les 3 Vallées measuring 459 m, dropping 30 m from 2318 m down to 2288 m. It averages a 6.3% gradient, steepening to around 15% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 37/100 — Enjoyable
Vertical1/30
Length2/25
Gradient character13/25
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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