Enjoy the Falls with Astir - An absolutely marvelous time with Astir ! He took us over and through customs to the Brazilian side from the Argentinian side and whisked us through the border coming and going and was completely delightful and took us to the biking trails and the bird sanctuary and accompanied us to all the sites including the helicopter ride and the river boat excursion under the falls while on Monday – he was very patient and also accompanied us as a guide through the full walkways. Just a lovely person with a big heart and did a great job. If you were staying on the Argentinian side, which we were it is very important to have a guide you can trust on to get you back-and-forth from the border and he knows the ropes. There is also a marked difference between seeing the falls on both sides of the border. On the Brazil side, you get a much bigger view of the amazing expanse of these falls with dozens of outlets pouring over the Square as on the Argentinian side you are literally walking on top of the holes, but can’t see as well the expanse so it’s worth visiting both sides. We were also picked up at our hotel on the Argentinian inside at the Jungle Hotel which is really amazing as well. I highly recommend as for each tree top room because they have recently expanded and you have amazing rooms at the tree tops looking at a tributary river. In all events and in any event, you go with Astir and you will enjoy a great day.