Aletsch Arena · Switzerland
70a
Black (advanced)
43
Very good
392 m
Length
84 m
Vertical drop
2612 m
Starts at
2528 m
Ends at
20.9%
Avg gradient
36.5%
Max gradient
sustained 50 m
Elevation profile
Run analysis
70a is a black (advanced) run at Aletsch Arena measuring 392 m, dropping 84 m from 2612 m down to 2528 m. It averages a 20.9% gradient, steepening to around 36.5% 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 0 m in.
Bonvo Slope Score: 43/100 — Very good
Vertical3/30
Length2/25
Gradient character23/25
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 70a on the map
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