Crystal Mountain · United States
Sunnyside
Black (advanced)
57
Excellent
685 m
Length
345 m
Vertical drop
2005 m
Starts at
1660 m
Ends at
49.3%
Avg gradient
76.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Sunnyside is a black (advanced) run at Crystal Mountain measuring 685 m, dropping 345 m from 2005 m down to 1660 m. It averages a 49.3% gradient, steepening to around 76.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 57/100 — Excellent
Vertical12/30
Length3/25
Gradient character22/25
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 Sunnyside on the map
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Ski Sunnyside with the map in your pocket — offline.
Downloaded resort maps and your own run recording can work without mobile service. Live group positions require connectivity. Free to download; Premium features are available.