Praz de Lys Sommand · France
Écherus
Black (advanced)Grooming: classic
58
Excellent
817 m
Length
271 m
Vertical drop
1675 m
Starts at
1404 m
Ends at
32.9%
Avg gradient
62.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Écherus is a black (advanced) run at Praz de Lys Sommand measuring 817 m, dropping 271 m from 1675 m down to 1404 m. It averages a 32.9% gradient, steepening to around 62.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 58/100 — Excellent
Vertical9/30
Length4/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
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