Timberline Mountain · United States
Lower White Lightning
Black (advanced)
43
Very good
287 m
Length
59 m
Vertical drop
1092 m
Starts at
1033 m
Ends at
19.6%
Avg gradient
27.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lower White Lightning is a black (advanced) run at Timberline Mountain measuring 287 m, dropping 59 m from 1092 m down to 1033 m. It averages a 19.6% gradient, steepening to around 27.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 43/100 — Very good
Vertical2/30
Length1/25
Gradient character20/25
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 Lower White Lightning on the map
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