Le Grand Bornand · France
Défi Môm
Green (beginner)Grooming: classic
56
Excellent
1.1 km
Length
160 m
Vertical drop
1435 m
Starts at
1275 m
Ends at
14.2%
Avg gradient
23.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Défi Môm is a green (beginner) run at Le Grand Bornand measuring 1.1 km, dropping 160 m from 1435 m down to 1275 m. It averages a 14.2% gradient, steepening to around 23.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical5/30
Length6/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a green (beginner) run should feel like, so every difficulty class can reach 100. Methodology
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