Le Collet d'Allevard · France
Aigle
Black (advanced)
56
Excellent
741 m
Length
208 m
Vertical drop
1838 m
Starts at
1630 m
Ends at
27.7%
Avg gradient
46.3%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Aigle is a black (advanced) run at Le Collet d'Allevard measuring 741 m, dropping 208 m from 1838 m down to 1630 m. It averages a 27.7% gradient, steepening to around 46.3% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical7/30
Length4/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
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