Big Sky Resort · United States
Big Couloir
UnratedGrooming: backcountry
30
Enjoyable
839 m
Length
406 m
Vertical drop
3347 m
Starts at
2941 m
Ends at
47.3%
Avg gradient
113.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Big Couloir is a unrated run at Big Sky Resort measuring 839 m, dropping 406 m from 3347 m down to 2941 m. It averages a 47.3% gradient, steepening to around 113.4% 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 0 m in.
Bonvo Slope Score: 30/100 — Enjoyable
Vertical14/30
Length4/25
Gradient character0/25
Flow12/20
Scored from the run's real geometry — steepness is judged against what a unrated run should feel like, so every difficulty class can reach 100. Methodology
Explore Big Couloir on the map
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