Black diamond Great Divide, MT
The Big Open drops 352 vertical feet over 993 feet of skiing, with a steepest pitch of 31° about 870 feet below the top. That's steeper than 67% of the 4,740 black diamond runs we've measured in North America, and the 7th steepest of 123 named runs at Great Divide. It faces northeast.
Facing northeast at an average 21°, The Big Open gets about 60% of the winter sun that flat ground at Great Divide does, December through March. That's shadier than 85% of the runs we've measured, and the 47th shadiest named run at Great Divide. Its top sits at 6,770 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.