L'Alpe du Grand Serre · France
Tétras
Red (intermediate)
55
Excellent
665 m
Length
187 m
Vertical drop
1929 m
Starts at
1742 m
Ends at
27.7%
Avg gradient
44.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tétras is a red (intermediate) run at L'Alpe du Grand Serre measuring 665 m, dropping 187 m from 1929 m down to 1742 m. It averages a 27.7% gradient, steepening to around 44.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 55/100 — Excellent
Vertical6/30
Length3/25
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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