Les 3 Vallées · France
Couloir des Belges
Freeride (unpatrolled)Grooming: backcountry
51
Very good
257 m
Length
127 m
Vertical drop
2606 m
Starts at
2480 m
Ends at
46%
Avg gradient
84.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Couloir des Belges is a freeride (unpatrolled) run at Les 3 Vallées measuring 257 m, dropping 127 m from 2606 m down to 2480 m. It averages a 46% gradient, steepening to around 84.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 51/100 — Very good
Vertical4/30
Length1/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a freeride (unpatrolled) run should feel like, so every difficulty class can reach 100. Methodology
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