What better way to dip your toe in the extreme sports world than sitting back and watching the beautiful perthshire scenery pass you by quite what speed it passes you by at and how frantically bumpy that ride may be is down to nature herself as you traverse the river tummel with little more than a wetsuit and a rubber ring between you and some of the uks most ferocious waters if it sounds enticing yet daunting simply drag a friend along with you 3 hours of sitting down sounds easy ye