Kirkwood Mountain Resort · United States
Jeff's Line
Black (advanced)
56
Excellent
632 m
Length
237 m
Vertical drop
2665 m
Starts at
2428 m
Ends at
36.4%
Avg gradient
57.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Jeff's Line is a black (advanced) run at Kirkwood Mountain Resort measuring 632 m, dropping 237 m from 2665 m down to 2428 m. It averages a 36.4% gradient, steepening to around 57.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 56/100 — Excellent
Vertical8/30
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
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