Les Angles · France
Lou Bac
Black (advanced)Grooming: backcountry
65
Excellent
1.3 km
Length
411 m
Vertical drop
2100 m
Starts at
1689 m
Ends at
31.6%
Avg gradient
48.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lou Bac is a black (advanced) run at Les Angles measuring 1.3 km, dropping 411 m from 2100 m down to 1689 m. It averages a 31.6% gradient, steepening to around 48.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 65/100 — Excellent
Vertical14/30
Length6/25
Gradient character25/25
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
Explore Lou Bac on the map
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