The only excursion you can pay for by cc are the Grand Canyon flights, all other excursions are cash. Sorry if this isn't what you were expecting. You can of course take money on your debit/pre paid card then just use a cash machine once you are there, you don't need to take lot's of cash. Your tour manager will guide you all the way with it,

Have a great trip!

Ben

I wasnt aware of the need to take enough cash with me to pay for the excursions and have had the majority of my money put onto a pre-paid Thomas Cook card as I'd assumed I could use that to pay for them !! :s