Aiguille du Midi (Chamonix) · France
La Vallée Noire
Outstanding
Elevation profile
Run analysis
La Vallée Noire is a freeride (unpatrolled) run at Aiguille du Midi (Chamonix) measuring 3.2 km, dropping 943 m from 3225 m down to 2282 m. It averages a 29.7% gradient, steepening to around 80.6% at its most sustained pitch.
Heads-up for snowboarders: 1 uphill section along this run — expect some unstrapping or skating.
Watch for 2 uphill sections: 25 m of climb about 325 m in; 75 m of climb about 2.6 km in.
Bonvo Slope Score: 83/100 — Outstanding
Scored from the run's real geometry — steepness is judged against what a freeride (unpatrolled) run should feel like, so every difficulty class can reach 100. Methodology
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