Grouse Mountain · Canada
Purgatory
Red (intermediate)
49
Very good
306 m
Length
68 m
Vertical drop
946 m
Starts at
878 m
Ends at
21%
Avg gradient
39.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Purgatory is a red (intermediate) run at Grouse Mountain measuring 306 m, dropping 68 m from 946 m down to 878 m. It averages a 21% gradient, steepening to around 39.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 49/100 — Very good
Vertical2/30
Length2/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
Explore Purgatory on the map
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