Triumph over non stop colorado whitewater rafting on continuous class ii and iii rapids with intermittent class iv and two class v rapids on the upper animas river experience views of 14 000 ft peaks around you while creeks and streams cascade into the river as you continuously paddle your trip begins near silverton colorado and ends with a ride on the historic durango silverton narrow gauge railroad at high water many consider this river to be one of the most difficult commercially run t