Zinal / Grimentz · Switzerland
Lona
Black (advanced)Grooming: classic
20
Gentle
470 m
Length
49 m
Vertical drop
2399 m
Starts at
2351 m
Ends at
8.4%
Avg gradient
23.1%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Lona is a black (advanced) run at Zinal / Grimentz measuring 470 m, dropping 49 m from 2399 m down to 2351 m. It averages a 8.4% gradient, steepening to around 23.1% at its most sustained pitch.
Heads-up for snowboarders: 1 uphill section along this run — expect some unstrapping or skating.
Watch for an uphill section: 75 m of climb about 0 m in.
Bonvo Slope Score: 20/100 — Gentle
Vertical2/30
Length2/25
Gradient character0/25
Flow16/20
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 Lona on the map
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