Over the last year, I've attended a couple of canyoneering classes at Stoney Point Park in Chatsworth. This park has long been a training ground for climbers preparing for grand adventures, as well as being a place for locals to get in a few boulders after work. It's popular because there are a million different challenges in the sandstone boulders that are scattered about the small park. You can practice in a natural environment without putting yourself at too much risk of catastrophic injury. Ventura icon, founder of Patagonia, and Black Diamond Equipment, Yvon Chouinard practiced at Stoney Point in preparation for his famous ascents in Yosemite back in the 1960’s. Some of Chouinard's partners, like legendary climbers Royal Robbins (who also founded a outdoors equipment company), and Bob Kamps, along with many others have honed their skills at Stoney Point.