Black diamond Mammoth, CA
Lower Shaft drops 416 vertical feet over 1,260 feet of skiing, with a steepest pitch of 26° about 560 feet below the top. That's steeper than 32% of the 4,740 black diamond runs we've measured in North America, and the 66th steepest of 151 named runs at Mammoth. It faces northeast.
Facing northeast at an average 20°, Lower Shaft gets about 82% of the winter sun that flat ground at Mammoth does, December through March. That's shadier than 52% of the runs we've measured, and the 111th shadiest named run at Mammoth. Its top sits at 9,200 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.