What a fantastic experience, we had an amazing guy on our raft who knew the canyon like the back of his hand. yes you have to set off early but it is well worth it. They have a dry bag on the boat to place all your belongings in. You dont need to take any waterproofs as they wont really help, and its all part of the fun getting wet. Make sure you have a waterproof camera to get some great snaps.
The helicopter ride out of the canyon was great fun also, but you do have a bit of a trek up the canyon to catch it.
This was a fantastic trip and what a way to see the Grand Canyon whilst at the same time, having the adrenaline rush of white water rafting. Don't be put off by the price....whilst at face value, it's not cheap, it's definitely worthwhile for what is probably a once in a lifetime experience.
Brilliant experience guides and drivers very friendly and helpful would recommend it to anyone !!!