Le Grand Massif · France
Marmottes, Portet
Blue (easy)
31
Enjoyable
142 m
Length
5 m
Vertical drop
1458 m
Starts at
1453 m
Ends at
2.8%
Avg gradient
8.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Marmottes, Portet is a blue (easy) run at Le Grand Massif measuring 142 m, dropping 5 m from 1458 m down to 1453 m. It averages a 2.8% gradient, steepening to around 8.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for an uphill section: 25 m of climb about 75 m in.
Bonvo Slope Score: 31/100 — Enjoyable
Vertical0/30
Length1/25
Gradient character14/25
Flow16/20
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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