Les 3 Vallées · France
Gros Tougne
Blue (easy)
60
Excellent
1.9 km
Length
179 m
Vertical drop
2225 m
Starts at
2046 m
Ends at
9.6%
Avg gradient
20.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Gros Tougne is a blue (easy) run at Les 3 Vallées measuring 1.9 km, dropping 179 m from 2225 m down to 2046 m. It averages a 9.6% gradient, steepening to around 20.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 60/100 — Excellent
Vertical6/30
Length9/25
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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