L'Alpe du Grand Serre · France
Marais
Blue (easy)
50
Very good
460 m
Length
77 m
Vertical drop
1866 m
Starts at
1789 m
Ends at
16.1%
Avg gradient
43.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Marais is a blue (easy) run at L'Alpe du Grand Serre measuring 460 m, dropping 77 m from 1866 m down to 1789 m. It averages a 16.1% gradient, steepening to around 43.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 50/100 — Very good
Vertical3/30
Length2/25
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
Explore Marais on the map
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