There’s a certain group of boaters that seek a more intense journey into the core of the Canyon; to be part of the dance of water on the Colorado River as it drops almost 2000 feet on its way to Lake Mead. Running its length through Grand Canyon National Park is surely one of the prime outdoor experiences available anywhere in the world.A 6 minute introduction to this podcast series that tells what one needs to know about non-commercial Colorado River trips through Grand Canyon National Park. Updated 2011.