Le Grand Bornand · France
Défi Môm
Green (beginner)Grooming: classic
50
Very good
519 m
Length
78 m
Vertical drop
1514 m
Starts at
1436 m
Ends at
14.9%
Avg gradient
32.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Défi Môm is a green (beginner) run at Le Grand Bornand measuring 519 m, dropping 78 m from 1514 m down to 1436 m. It averages a 14.9% gradient, steepening to around 32.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 50/100 — Very good
Vertical3/30
Length3/25
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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