Black diamond Big Sky, MT
Double Jack drops 868 vertical feet over 3,418 feet of skiing, with a steepest pitch of 35° about 1,780 feet below the top. That's steeper than 83% of the 4,740 black diamond runs we've measured in North America, and the 77th steepest of 290 named runs at Big Sky. It faces north.
Facing north at an average 15°, Double Jack gets about 61% of the winter sun that flat ground at Big Sky does, December through March. That's shadier than 83% of the runs we've measured, and the 43rd shadiest named run at Big Sky. Its top sits at 8,490 feet.
Shaded snow stays colder and drier, so it holds powder longer after a storm and is slower to crust over or turn to slush in spring. 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.