Afton Alps · United States
Rosie's Run
Blue (easy)
46
Very good
113 m
Length
14 m
Vertical drop
241 m
Starts at
228 m
Ends at
10.8%
Avg gradient
20.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Rosie's Run is a blue (easy) run at Afton Alps measuring 113 m, dropping 14 m from 241 m down to 228 m. It averages a 10.8% gradient, steepening to around 20.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 46/100 — Very good
Vertical0/30
Length1/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
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