Les 3 Vallées · France
Trolles
Red (intermediate)
47
Very good
184 m
Length
31 m
Vertical drop
2570 m
Starts at
2539 m
Ends at
15.3%
Avg gradient
21.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Trolles is a red (intermediate) run at Les 3 Vallées measuring 184 m, dropping 31 m from 2570 m down to 2539 m. It averages a 15.3% gradient, steepening to around 21.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 47/100 — Very good
Vertical1/30
Length1/25
Gradient character25/25
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
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