Blue Sun Valley, ID
Upper Canyon drops 385 vertical feet over 915 feet of skiing, with a steepest pitch of 29° about 120 feet below the top. That's steeper than 93% of the 5,615 blue runs we've measured in North America, and the 45th steepest of 99 named runs at Sun Valley. It faces northeast.
Facing northeast at an average 25°, Upper Canyon gets about 54% of the winter sun that flat ground at Sun Valley does, December through March. That's shadier than 90% of the runs we've measured, and the 38th shadiest named run at Sun Valley. Its top sits at 7,690 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.