Big Sky Resort · United States
Double Jack
Black (advanced)
59
Excellent
1.0 km
Length
266 m
Vertical drop
2586 m
Starts at
2320 m
Ends at
25.3%
Avg gradient
35.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Double Jack is a black (advanced) run at Big Sky Resort measuring 1.0 km, dropping 266 m from 2586 m down to 2320 m. It averages a 25.3% gradient, steepening to around 35.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 59/100 — Excellent
Vertical9/30
Length5/25
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 Double Jack on the map
Loading interactive map…
Ski Double Jack with the map in your pocket — offline.
Downloaded resort maps and your own run recording can work without mobile service. Live group positions require connectivity. Free to download; Premium features are available.