Prato Nevoso · Italy
3b Tre bis
Black (advanced)Grooming: classic
54
Very good
641 m
Length
187 m
Vertical drop
1742 m
Starts at
1555 m
Ends at
28.8%
Avg gradient
58.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
3b Tre bis is a black (advanced) run at Prato Nevoso measuring 641 m, dropping 187 m from 1742 m down to 1555 m. It averages a 28.8% gradient, steepening to around 58.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical6/30
Length3/25
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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