Birch Hill Ski and Snowboard Area · United States
Surprise
Red (intermediate)
50
Very good
447 m
Length
70 m
Vertical drop
240 m
Starts at
169 m
Ends at
15.6%
Avg gradient
24.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Surprise is a red (intermediate) run at Birch Hill Ski and Snowboard Area measuring 447 m, dropping 70 m from 240 m down to 169 m. It averages a 15.6% gradient, steepening to around 24.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 50/100 — 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 Surprise on the map
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