Praz de Lys Sommand · France
Gron
Red (intermediate)Grooming: classic
57
Excellent
1.2 km
Length
247 m
Vertical drop
1699 m
Starts at
1452 m
Ends at
19.7%
Avg gradient
58.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Gron is a red (intermediate) run at Praz de Lys Sommand measuring 1.2 km, dropping 247 m from 1699 m down to 1452 m. It averages a 19.7% gradient, steepening to around 58.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 57/100 — Excellent
Vertical8/30
Length6/25
Gradient character25/25
Flow18/20
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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