Mount Washington Alpine Resort · Canada
Mangroves
Double black (expert)Grooming: backcountry
58
Excellent
699 m
Length
299 m
Vertical drop
1478 m
Starts at
1179 m
Ends at
42.7%
Avg gradient
94.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Mangroves is a double black (expert) run at Mount Washington Alpine Resort measuring 699 m, dropping 299 m from 1478 m down to 1179 m. It averages a 42.7% gradient, steepening to around 94.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 58/100 — Excellent
Vertical10/30
Length3/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a double black (expert) run should feel like, so every difficulty class can reach 100. Methodology
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