Within the shady campgrounds of Yosemite valley, climbers carved out a counterculture way of life of dumpster-diving and wild events that clashed with the conservative values of the Nationwide Park Service. And up on the partitions, technology after technology has pushed the boundaries of climbing, vying amongst one another for supremacy on Yosemite's cliffs. "Valley Rebellion" is the riveting, unforgettable story of this daring mountaineering custom in Yosemite Nationwide Park: half a century of wrestle in opposition to the legal guidelines of gravity -- and the legal guidelines of the land.