Black diamond Palisades Tahoe, CA
Granite Chief Peak drops 447 vertical feet over feet of skiing, with a steepest pitch of 48°. That's steeper than 100% of the 4,740 black diamond runs we've measured in North America, and the 4th steepest of 115 named runs at Palisades Tahoe. It faces east.
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.