We are flying into Puerto Igauzu, Argentina & plan to rent a car at the airport in Argentina. It seems that it's possible to drive the Argentine rental vehicle into Foz do Iguacu, Brazil. I would like to know if it's also possible to drive the same vehicle over the Paraguayan border into Ciudad del Este. Our plan is to do a circuit taking us from the Argentine side of the falls, explore the Brazilian side, and cross into Paraguay to explore the eastern side of the country before returning back to Brazil and Argentina the same way we came. Of course we have have pre arranged all visas to enter into each of these countries.
I'm interested in hearing from anyone who may have used a rental car to cross the international borders at:
Puerto Iguazu, Argentina to Foz do Iguacu, Brazil
Foz do Iguacu to Ciudad del Este, Paraguay.