Cypress Mountain · Canada
Black Fly
Double black (expert)Grooming: backcountry
51
Very good
295 m
Length
146 m
Vertical drop
1048 m
Starts at
902 m
Ends at
48.7%
Avg gradient
60.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Black Fly is a double black (expert) run at Cypress Mountain measuring 295 m, dropping 146 m from 1048 m down to 902 m. It averages a 48.7% gradient, steepening to around 60.5% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 51/100 — Very good
Vertical5/30
Length1/25
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
Explore Black Fly on the map
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