When filmmaker Peter Mortimer encounters an elusive young climber named Marc-André Leclerc, an evolution in free solo mountaineering unfolds. Along the two-year journey up high alpine peaks and steep frozen…

In the middle of Yosemite National Park towers El Capitan, a huge block of granite whose smoothest side, the Dawn Wall, is said to be the most difficult rock climb…

In the shady campgrounds of Yosemite valley, climbers carved out a counterculture lifestyle of dumpster-diving and wild parties that clashed with the conservative values of the National Park Service. And…