Pralognan-la-Vanoise · France
Lanches
Red (intermediate)
60
Excellent
1.3 km
Length
246 m
Vertical drop
1684 m
Starts at
1438 m
Ends at
18.9%
Avg gradient
44.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lanches is a red (intermediate) run at Pralognan-la-Vanoise measuring 1.3 km, dropping 246 m from 1684 m down to 1438 m. It averages a 18.9% gradient, steepening to around 44.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 60/100 — Excellent
Vertical8/30
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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