Courmayeur · Italy
Lassy
Red (intermediate)
38
Enjoyable
211 m
Length
79 m
Vertical drop
1644 m
Starts at
1565 m
Ends at
35%
Avg gradient
48.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lassy is a red (intermediate) run at Courmayeur measuring 211 m, dropping 79 m from 1644 m down to 1565 m. It averages a 35% gradient, steepening to around 48.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 38/100 — Enjoyable
Vertical3/30
Length1/25
Gradient character15/25
Flow20/20
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
Explore Lassy on the map
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