Brévent/Flégère (Chamonix) · France
Nants
Black (advanced)Grooming: classic
46
Very good
210 m
Length
48 m
Vertical drop
1153 m
Starts at
1105 m
Ends at
21.3%
Avg gradient
43.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Nants is a black (advanced) run at Brévent/Flégère (Chamonix) measuring 210 m, dropping 48 m from 1153 m down to 1105 m. It averages a 21.3% gradient, steepening to around 43.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 46/100 — Very good
Vertical2/30
Length1/25
Gradient character24/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
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