Summit West · United States
Thunderbolt
Red (intermediate)
48
Very good
234 m
Length
51 m
Vertical drop
1025 m
Starts at
974 m
Ends at
20.5%
Avg gradient
26.3%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Thunderbolt is a red (intermediate) run at Summit West measuring 234 m, dropping 51 m from 1025 m down to 974 m. It averages a 20.5% gradient, steepening to around 26.3% 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 red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
Explore Thunderbolt on the map
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