Waterville Valley Resort · United States
Rock Island
Red (intermediate)
54
Very good
795 m
Length
140 m
Vertical drop
749 m
Starts at
608 m
Ends at
17.6%
Avg gradient
26%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Rock Island is a red (intermediate) run at Waterville Valley Resort measuring 795 m, dropping 140 m from 749 m down to 608 m. It averages a 17.6% gradient, steepening to around 26% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — Very good
Vertical5/30
Length4/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
Explore Rock Island on the map
Loading interactive map…
Ski Rock Island with the map in your pocket — offline.
Download the resort once in Bonvo Ski Maps and every run, lift and your friends' live positions keep working in airplane mode. Free this season.