Black diamond Mammoth, CA
Waterfall drops 283 vertical feet over 670 feet of skiing, with a steepest pitch of 45° about 170 feet below the top. That's steeper than 99% of the 4,740 black diamond runs we've measured in North America, and the 6th steepest of 151 named runs at Mammoth. It faces east.
Facing east at an average 26°, Waterfall gets about 85% of the winter sun that flat ground at Mammoth does, December through March. That's sunnier than 53% of the runs we've measured, and the 43rd sunniest named run at Mammoth. Its top sits at 9,830 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.