Ah ha sounds fun...I think i'll give the boat trip a miss, last time I went down a river I broke a bone (small but painful!)
If you go I'll pray for you that no bones are broken, boats don't hide and that a mighty river floods over night! :o)
...I'll bring a bottle of red wine though and a few more oranges for the feure drink as that sounds great!!
I'll try and bring a tent, small but still cover. There is sure to be a fly of some sorts right?
Sarah