Blatten Belalp · Switzerland
1 Tunnel Westseite
Outstanding
Elevation profile
Run analysis
1 Tunnel Westseite is a black (advanced) run at Blatten Belalp measuring 3.0 km, dropping 759 m from 3093 m down to 2335 m. It averages a 25.1% gradient, steepening to around 54% at its most sustained pitch.
Heads-up for snowboarders: 2 uphill sections along this run — expect some unstrapping or skating.
Watch for 2 uphill sections: 75 m of climb about 25 m in; 50 m of climb about 175 m in.
Bonvo Slope Score: 73/100 — 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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