Rafting for relaxation, Colorado River style

"Ideal for solo travelers," says the press release from Western River Expeditions about its rafting trips on the Colorado River through Cataract Canyon, Utah. I vouch for that statement. I had one of the best trips of my life floating on peaceful sections of the river and holding on for dear life through Class III and IV rapids (read: "big"). And camping by the side of the river with new friends who I was happy…