L'Alpe du Grand Serre · France
Vallons
Excellent
Elevation profile
Run analysis
Vallons is a red (intermediate) run at L'Alpe du Grand Serre measuring 2.0 km, dropping 454 m from 1882 m down to 1428 m. It averages a 22.4% gradient, steepening to around 50.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for 2 uphill sections: 25 m of climb about 1.8 km in; 25 m of climb about 1.9 km in.
Bonvo Slope Score: 62/100 — Excellent
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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