Les 3 Vallées · France
Tétras
Black (advanced)Grooming: backcountry
63
Excellent
1.1 km
Length
385 m
Vertical drop
2272 m
Starts at
1887 m
Ends at
35%
Avg gradient
63.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tétras is a black (advanced) run at Les 3 Vallées measuring 1.1 km, dropping 385 m from 2272 m down to 1887 m. It averages a 35% gradient, steepening to around 63.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 63/100 — Excellent
Vertical13/30
Length5/25
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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