Les Sybelles · France
Liaison Grand Truc
Red (intermediate)Grooming: classic
49
Very good
352 m
Length
55 m
Vertical drop
1848 m
Starts at
1794 m
Ends at
14.6%
Avg gradient
25.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Liaison Grand Truc is a red (intermediate) run at Les Sybelles measuring 352 m, dropping 55 m from 1848 m down to 1794 m. It averages a 14.6% gradient, steepening to around 25.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 49/100 — Very good
Vertical2/30
Length2/25
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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