Situated in the heart of the Rockies, the Arkansas River threads its way through a whitewater paradise in the center of Colorado. From the headwaters at Leadville, Colorado 11,000 ft. you will run the Numbers 1-10 rapids which is truely home to world class challenges of class IV running solid thrills from top to bottom. Minimum age is 18 and in good health with a good knowledge of paddling skills is a must.