Col de Marcieu · France
Les Tetras
Red (intermediate)
54
Very good
715 m
Length
224 m
Vertical drop
1280 m
Starts at
1056 m
Ends at
30.9%
Avg gradient
53.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Les Tetras is a red (intermediate) run at Col de Marcieu measuring 715 m, dropping 224 m from 1280 m down to 1056 m. It averages a 30.9% gradient, steepening to around 53.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical7/30
Length4/25
Gradient character23/25
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
Explore Les Tetras on the map
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