Black diamond Alta, UT
Johnson's Warm Up drops 400 vertical feet over 1,149 feet of skiing, with a steepest pitch of 32° about 70 feet below the top. That's steeper than 73% of the 4,740 black diamond runs we've measured in North America, and the 66th steepest of 117 named runs at Alta. It faces east.
Facing east at an average 21°, Johnson's Warm Up gets about 98% of the winter sun that flat ground at Alta does, December through March. That's sunnier than 70% of the runs we've measured, and the 26th sunniest named run at Alta. Its top sits at 9,720 feet.
With little slope to hide behind, it takes nearly the full winter sun of open ground: powder settles and turns heavy sooner after a storm, and spring snow softens early. 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.