L'Alpe du Grand Serre · France
Fontaine Froide
Red (intermediate)
53
Very good
638 m
Length
134 m
Vertical drop
1979 m
Starts at
1845 m
Ends at
20.6%
Avg gradient
37.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Fontaine Froide is a red (intermediate) run at L'Alpe du Grand Serre measuring 638 m, dropping 134 m from 1979 m down to 1845 m. It averages a 20.6% gradient, steepening to around 37.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 53/100 — Very good
Vertical4/30
Length3/25
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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