Black diamond Eldora, CO
Challenge drops 764 vertical feet over 2,972 feet of skiing, with a steepest pitch of 27° about 1,210 feet below the top. That's steeper than 35% of the 4,740 black diamond runs we've measured in North America, and the 13th steepest of 58 named runs at Eldora. It faces east.
Facing east at an average 15°, Challenge gets about 108% of the winter sun that flat ground at Eldora does, December through March. That's sunnier than 79% of the runs we've measured, and the 3rd sunniest named run at Eldora. Its top sits at 10,370 feet.
Angled toward the low winter sun, it bakes: powder turns heavy soon after a storm, and in spring it softens early in the day and refreezes hard overnight. 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.