Black diamond Bogus Basin, ID
The Triangle (Upper) drops 473 vertical feet over 1,102 feet of skiing, with a steepest pitch of 31° about 690 feet below the top. That's steeper than 62% of the 4,740 black diamond runs we've measured in North America, and the 14th steepest of 98 named runs at Bogus Basin. It faces northeast.
Facing northeast at an average 26°, The Triangle (Upper) gets about 62% of the winter sun that flat ground at Bogus Basin does, December through March. That's shadier than 82% of the runs we've measured, and the 31st shadiest named run at Bogus Basin. Its top sits at 7,430 feet.
Shaded snow stays colder and drier, so it holds powder longer after a storm and is slower to crust over or turn to slush in spring. Shading from ridges and trees isn't counted yet.
under 25°25–35°35–45°45°+ Hover to follow the line on the map.
Measured by ZRankings from 1-meter USGS lidar. Steepest pitch is the steepest stretch of about 50 vertical feet along the skiable line. Run lines come from OpenStreetMap and can sit a little off the skied path.