Le Collet d'Allevard · France
Dahu
Blue (easy)
48
Very good
355 m
Length
35 m
Vertical drop
1904 m
Starts at
1869 m
Ends at
9.3%
Avg gradient
15.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Dahu is a blue (easy) run at Le Collet d'Allevard measuring 355 m, dropping 35 m from 1904 m down to 1869 m. It averages a 9.3% gradient, steepening to around 15.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 48/100 — Very good
Vertical1/30
Length2/25
Gradient character25/25
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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