I was just reading up on this guy's article about a trip he had and he barely packed anything. His pack only weighted 10 kg for a 5 day hike!! Can you believe that?
http://www.adventureplaybook.com/ditch-the-tent-and-float-like-a-butterfly/
http://www.adventureplaybook.com/ditch-the-tent-and-float-like-a-butterfly/