The Rio Blanco is about as spectacular as nature gets.
Its glacial waters tumble and churn their way down the Andes Mountains on the northern edge of Patagonia in southern Chile. It's a perfect place for nature-loving tourists, except that the river is too narrow for a raft and too treacherous for a canoe.
But that's not enough to deter the adventure seekers who have signed up for the latest thrill in extreme sports. It is called "canyoneering," or canyoning although clearly some would...Full Story