Blue Buttermilk, CO
Big Face Hollow drops 1,167 vertical feet over 5,704 feet of skiing, with a steepest pitch of 21° about 4,280 feet below the top. That's steeper than 44% of the 5,615 blue runs we've measured in North America, and the 19th steepest of 41 named runs at Buttermilk. It faces north.
Facing north at an average 12°, Big Face Hollow gets about 72% of the winter sun that flat ground at Buttermilk does, December through March. That's shadier than 68% of the runs we've measured, and the 13th shadiest named run at Buttermilk. Its top sits at 9,860 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 USGS lidar (1-meter where it exists, coarser elsewhere). 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.