Crystal Mountain · United States
Deer Fly
Black (advanced)
56
Excellent
729 m
Length
220 m
Vertical drop
1633 m
Starts at
1413 m
Ends at
29.4%
Avg gradient
62.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Deer Fly is a black (advanced) run at Crystal Mountain measuring 729 m, dropping 220 m from 1633 m down to 1413 m. It averages a 29.4% gradient, steepening to around 62.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical7/30
Length4/25
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
Explore Deer Fly on the map
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