La Rosière · France
Lac
Red (intermediate)Grooming: classic
60
Excellent
1.2 km
Length
285 m
Vertical drop
2291 m
Starts at
2006 m
Ends at
24.3%
Avg gradient
44.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lac is a red (intermediate) run at La Rosière measuring 1.2 km, dropping 285 m from 2291 m down to 2006 m. It averages a 24.3% gradient, steepening to around 44.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 60/100 — Excellent
Vertical10/30
Length6/25
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
Explore Lac on the map
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