Summit West · United States
Thunderbird
Black (advanced)
48
Very good
221 m
Length
61 m
Vertical drop
1098 m
Starts at
1037 m
Ends at
27.1%
Avg gradient
37.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Thunderbird is a black (advanced) run at Summit West measuring 221 m, dropping 61 m from 1098 m down to 1037 m. It averages a 27.1% gradient, steepening to around 37.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 48/100 — Very good
Vertical2/30
Length1/25
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 Thunderbird on the map
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