Rafting the Arkansas River is the most popular rafting option in America! From its headwaters at the historic mining area around Leadville, Colorado; through scenic mountain towns like Buena Vista and Salida, Colorado; to the breathtaking Royal Gorge and beyond... Colorado's Arkansas River has some of the nation's most exciting whitewater and amazing mountain views. From highly technical Class IV & V rapids (the Numbers near Granite & Buena Vista, Colorado and The Royal Gorge near Canon City), to relaxing & scenic calm-water float trips, the Arkansas River has it all. Join Mile Hi Rafting on a tour rafting the Arkansas River!