Big Sky Resort · United States
Under the Rainbow
Black (advanced)
54
Very good
686 m
Length
164 m
Vertical drop
2549 m
Starts at
2386 m
Ends at
23.4%
Avg gradient
34.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Under the Rainbow is a black (advanced) run at Big Sky Resort measuring 686 m, dropping 164 m from 2549 m down to 2386 m. It averages a 23.4% gradient, steepening to around 34.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical5/30
Length3/25
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 Under the Rainbow on the map
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Ski Under the Rainbow with the map in your pocket — offline.
Download the resort once in Bonvo Ski Maps and every run, lift and your friends' live positions keep working in airplane mode. Free this season.