Zinal / Grimentz · Switzerland
Lona inférieure
Outstanding
Elevation profile
Run analysis
Lona inférieure is a black (advanced) run at Zinal / Grimentz measuring 3.1 km, dropping 817 m from 2670 m down to 1852 m. It averages a 26.4% gradient, steepening to around 55.5% 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 2.8 km in.
Bonvo Slope Score: 84/100 — Outstanding
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
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