Blue Snowmass, CO
Bull Run drops 1,470 vertical feet over 7,273 feet of skiing, with a steepest pitch of 30° about 4,910 feet below the top. That's steeper than 96% of the 5,615 blue runs we've measured in North America, and the 50th steepest of 126 named runs at Snowmass. It faces northwest.
Facing northwest at an average 12°, Bull Run gets about 76% of the winter sun that flat ground at Snowmass does, December through March. That's shadier than 62% of the runs we've measured, and the 89th shadiest named run at Snowmass. Its top sits at 11,340 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.