Praz de Lys Sommand · France
Roy
Red (intermediate)Grooming: classic
56
Excellent
892 m
Length
197 m
Vertical drop
1699 m
Starts at
1502 m
Ends at
21.8%
Avg gradient
44.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Roy is a red (intermediate) run at Praz de Lys Sommand measuring 892 m, dropping 197 m from 1699 m down to 1502 m. It averages a 21.8% gradient, steepening to around 44.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical7/30
Length4/25
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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