L'Alpe du Grand Serre · France
Fontaine Froide
Red (intermediate)
64
Excellent
1.3 km
Length
370 m
Vertical drop
2163 m
Starts at
1793 m
Ends at
29%
Avg gradient
62.3%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Fontaine Froide is a red (intermediate) run at L'Alpe du Grand Serre measuring 1.3 km, dropping 370 m from 2163 m down to 1793 m. It averages a 29% gradient, steepening to around 62.3% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 64/100 — Excellent
Vertical12/30
Length6/25
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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