Mount Washington Alpine Resort · Canada
Thunderdome
Very good
Elevation profile
Run analysis
Thunderdome is a double black (expert) run at Mount Washington Alpine Resort measuring 534 m, dropping 132 m from 1456 m down to 1323 m. It averages a 24.1% gradient, steepening to around 51.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 44/100 — Very good
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
Explore Thunderdome on the map
Ski Thunderdome with the map in your pocket — offline.
Downloaded resort maps and your own run recording can work without mobile service. Live group positions require connectivity. Free to download; Premium features are available.