Crystal Mountain · United States
Upper Sluiceway
Black (advanced)
48
Very good
191 m
Length
68 m
Vertical drop
1772 m
Starts at
1704 m
Ends at
34.1%
Avg gradient
66.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Upper Sluiceway is a black (advanced) run at Crystal Mountain measuring 191 m, dropping 68 m from 1772 m down to 1704 m. It averages a 34.1% gradient, steepening to around 66.7% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 48/100 — Very good
Vertical2/30
Length1/25
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
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