Le Grand Bornand · France
La Duche
Blue (easy)
54
Very good
1.0 km
Length
249 m
Vertical drop
1726 m
Starts at
1477 m
Ends at
24.3%
Avg gradient
45.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
La Duche is a blue (easy) run at Le Grand Bornand measuring 1.0 km, dropping 249 m from 1726 m down to 1477 m. It averages a 24.3% gradient, steepening to around 45.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical8/30
Length5/25
Gradient character20/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
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