Chamrousse · France
Marmottes
Black (advanced)Grooming: backcountry
56
Excellent
622 m
Length
230 m
Vertical drop
1860 m
Starts at
1630 m
Ends at
36.8%
Avg gradient
55.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Marmottes is a black (advanced) run at Chamrousse measuring 622 m, dropping 230 m from 1860 m down to 1630 m. It averages a 36.8% gradient, steepening to around 55.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical8/30
Length3/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
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