Crystal Mountain · United States

I-5

Black (advanced)Grooming: backcountry
38

Enjoyable

2.5 km
Length
342 m
Vertical drop
1690 m
Starts at
1347 m
Ends at
13.7%
Avg gradient
62.4%
Max gradient
sustained 50 m

Elevation profile

1347 m1519 m1690 mstart2.5 km

Run analysis

I-5 is a black (advanced) run at Crystal Mountain measuring 2.5 km, dropping 342 m from 1690 m down to 1347 m. It averages a 13.7% gradient, steepening to around 62.4% at its most sustained pitch.

Heads-up for snowboarders: 1 uphill section along this run — expect some unstrapping or skating.

Watch for 3 uphill sections: 25 m of climb about 425 m in; 25 m of climb about 1.1 km in; 75 m of climb about 1.7 km in.

Bonvo Slope Score: 38/100 — Enjoyable

Vertical11/30
Length12/25
Gradient character8/25
Flow6/20

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 I-5 on the map

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