Grimmialp · Switzerland
Stierenberg-Senggi
Black (advanced)Grooming: classic
63
Excellent
1.4 km
Length
466 m
Vertical drop
1705 m
Starts at
1239 m
Ends at
33.3%
Avg gradient
60.7%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Stierenberg-Senggi is a black (advanced) run at Grimmialp measuring 1.4 km, dropping 466 m from 1705 m down to 1239 m. It averages a 33.3% gradient, steepening to around 60.7% 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 450 m in.
Bonvo Slope Score: 63/100 — Excellent
Vertical16/30
Length7/25
Gradient character25/25
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
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