- Skirting more than 50 miles of Canada’s border and encompassing the crest of the Cascades, this big piece of very wild country is home to the largest population of lynx in the Lower 48. The Wilderness boasts almost 150 peaks over 7,500 feet in elevation, 160 or more bodies of water, and at least as many waterways, some fierce enough to have carved incisive canyons with sheer walls…