Le Collet d'Allevard · France
Tremplin
Black (advanced)Night skiing
50
Very good
306 m
Length
91 m
Vertical drop
1559 m
Starts at
1468 m
Ends at
28.1%
Avg gradient
54%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tremplin is a black (advanced) run at Le Collet d'Allevard measuring 306 m, dropping 91 m from 1559 m down to 1468 m. It averages a 28.1% gradient, steepening to around 54% 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
Length2/25
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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