Big Sky Resort · United States
Three Moons
Double black (expert)Grooming: backcountry
52
Very good
322 m
Length
174 m
Vertical drop
3015 m
Starts at
2841 m
Ends at
53.5%
Avg gradient
89.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Three Moons is a double black (expert) run at Big Sky Resort measuring 322 m, dropping 174 m from 3015 m down to 2841 m. It averages a 53.5% gradient, steepening to around 89.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 52/100 — Very good
Vertical6/30
Length2/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a double black (expert) run should feel like, so every difficulty class can reach 100. Methodology
Explore Three Moons on the map
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