Conquer continuous rapids and explore 14,000 foot peaks in the most spectacular and entertaining 26 miles of whitewater in Colorado. Considered to be one of the toughest commercially run trips in the United States, the Upper Animas river brings adventure enthusiasts from around the world to Durango, Colorado. Cascading creeks and waterfalls pour into the river as you face continuous sections of whitewater that leave your arms shaking from the constant paddling.