Green Sun Valley, ID
Lower River Run drops 897 vertical feet over 4,388 feet of skiing, with a steepest pitch of 18° about 80 feet below the top. That's steeper than 80% of the 3,109 green runs we've measured in North America, and the 89th steepest of 99 named runs at Sun Valley. It faces east.
Facing east at an average 12°, Lower River Run gets about 90% of the winter sun that flat ground at Sun Valley does, December through March. That's sunnier than 60% of the runs we've measured, and the 26th sunniest named run at Sun Valley. Its top sits at 6,660 feet.
It gets an ordinary dose of sun: powder lasts a typical amount of time, and spring snow softens on a normal schedule. 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.