Timberline Mountain · United States
Upper Thunder Struck
Black (advanced)
54
Very good
603 m
Length
174 m
Vertical drop
1277 m
Starts at
1104 m
Ends at
27.8%
Avg gradient
37.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Upper Thunder Struck is a black (advanced) run at Timberline Mountain measuring 603 m, dropping 174 m from 1277 m down to 1104 m. It averages a 27.8% gradient, steepening to around 37.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical6/30
Length3/25
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 Upper Thunder Struck on the map
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