My wife and I just ran into our mission pastor from church we told him its our 30th anniversary this coming year.We told him we would like to do something special he asked if we like hammocks my wife laughed said I had about 8 hammocks so pastor Phil said he wanted someone to go to the brazil and meet up with missionaries that are there. We would go up the Amazon to a village and help with some work that needs to be done.Not sure how much backpacking will be involved but it sounds like a great way to spend our anniversary together Love The Lord and Adventure!Will let you know how this comes out .