Kirkwood Mountain Resort · United States
Sister chute
Double black (expert)Grooming: backcountry
57
Excellent
578 m
Length
267 m
Vertical drop
2806 m
Starts at
2539 m
Ends at
44.4%
Avg gradient
74.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Sister chute is a double black (expert) run at Kirkwood Mountain Resort measuring 578 m, dropping 267 m from 2806 m down to 2539 m. It averages a 44.4% gradient, steepening to around 74.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 57/100 — Excellent
Vertical9/30
Length3/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a double black (expert) run should feel like, so every difficulty class can reach 100. Methodology
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