Black diamond Aspen Mountain, CO
Seibert's drops 344 vertical feet over 859 feet of skiing, with a steepest pitch of 35° about 370 feet below the top. That's steeper than 85% of the 4,740 black diamond runs we've measured in North America, and the 51st steepest of 139 named runs at Aspen Mountain. It faces northeast.
Facing northeast at an average 24°, Seibert's gets about 78% of the winter sun that flat ground at Aspen Mountain does, December through March. That's shadier than 58% of the runs we've measured, and the 79th shadiest named run at Aspen Mountain. Its top sits at 10,570 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.