Aspen Mountain · United States
Perry's Prowl
Double black (expert)Grooming: backcountry
52
Very good
303 m
Length
170 m
Vertical drop
3009 m
Starts at
2838 m
Ends at
52.4%
Avg gradient
64.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Perry's Prowl is a double black (expert) run at Aspen Mountain measuring 303 m, dropping 170 m from 3009 m down to 2838 m. It averages a 52.4% gradient, steepening to around 64.9% 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
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