Raft the Grand Canyon of the Stikine River in British Columbia. This is extreme class V to VI+ rafting in large Creature Crafts. Follow Mark, Darren, Mike, and Nate through narrow canyons, treacherous river obstacles and no way out. http://www.markcramerriverrat.com
Read how it was done - " Water... The Soul of My Blood " http://www.amazon.com/WATER-Blood-Soul-Mark-Cramer/dp/0990568504/