Aspen Mountain · United States
Back of Bell #1
Black (advanced)
51
Very good
304 m
Length
123 m
Vertical drop
3203 m
Starts at
3080 m
Ends at
37.9%
Avg gradient
59.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Back of Bell #1 is a black (advanced) run at Aspen Mountain measuring 304 m, dropping 123 m from 3203 m down to 3080 m. It averages a 37.9% gradient, steepening to around 59.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 51/100 — Very good
Vertical4/30
Length2/25
Gradient character25/25
Flow20/20
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 Back of Bell #1 on the map
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