Timberline Mountain · United States
Upper Thunder Draft
Very good
Elevation profile
Run analysis
Upper Thunder Draft is a double black (expert) run at Timberline Mountain measuring 616 m, dropping 184 m from 1284 m down to 1100 m. It averages a 29.5% gradient, steepening to around 36.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 54/100 — 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 Upper Thunder Draft on the map
Ski Upper Thunder Draft 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.