Many of the people decide to try rock climbing after spending already enjoying a day or two of whitewater rafting. “Rock Climbing and Rappelling is one of the safest extreme sports,” says Jake Barrow. Good To Know Before You Go: Jake’s Tips Entry level course teaching proper climbing and rappelling technique and overall respect for the mountain environment. With over 30 years of experience, the Edge of the World guides are trained in proper rock climbing and rappelling techniques. No experience necessary and Edge of the World provides the harnesses, climbing shoes, helmets, ropes, hardware and a home-cooked lunch.