Big Sky Resort · United States
Twin Tunnels
Blue (easy)
50
Very good
1.1 km
Length
113 m
Vertical drop
2501 m
Starts at
2387 m
Ends at
10.1%
Avg gradient
21.2%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Twin Tunnels is a blue (easy) run at Big Sky Resort measuring 1.1 km, dropping 113 m from 2501 m down to 2387 m. It averages a 10.1% gradient, steepening to around 21.2% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for an uphill section: 25 m of climb about 925 m in.
Bonvo Slope Score: 50/100 — Very good
Vertical4/30
Length6/25
Gradient character25/25
Flow16/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
Explore Twin Tunnels on the map
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