Les 3 Vallées · France
Roc Mugnier
Red (intermediate)
60
Excellent
1.1 km
Length
288 m
Vertical drop
2156 m
Starts at
1868 m
Ends at
26.2%
Avg gradient
57.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Roc Mugnier is a red (intermediate) run at Les 3 Vallées measuring 1.1 km, dropping 288 m from 2156 m down to 1868 m. It averages a 26.2% gradient, steepening to around 57.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 60/100 — Excellent
Vertical10/30
Length5/25
Gradient character25/25
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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