Pralognan-la-Vanoise · France
Bosses
Red (intermediate)
46
Very good
421 m
Length
95 m
Vertical drop
1797 m
Starts at
1702 m
Ends at
22.3%
Avg gradient
40.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Bosses is a red (intermediate) run at Pralognan-la-Vanoise measuring 421 m, dropping 95 m from 1797 m down to 1702 m. It averages a 22.3% gradient, steepening to around 40.7% 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 275 m in.
Bonvo Slope Score: 46/100 — Very good
Vertical3/30
Length2/25
Gradient character25/25
Flow16/20
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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