Aspen Highlands · United States
South Castle
Double black (expert)Grooming: backcountry
67
Excellent
891 m
Length
516 m
Vertical drop
3528 m
Starts at
3012 m
Ends at
57.3%
Avg gradient
81.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
South Castle is a double black (expert) run at Aspen Highlands measuring 891 m, dropping 516 m from 3528 m down to 3012 m. It averages a 57.3% gradient, steepening to around 81.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 67/100 — Excellent
Vertical17/30
Length4/25
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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