Foz do Iguaçu

A bus No. 120, direction Aeroporto/Parque National leaves hourly from the terminal to the entrance on Brazilian side of the falls

It is only a short walk across the Friendship Bridge over the river Parana to Ciudad del Este. Alternatively, you can take a taxi as walking across the bridge is not recommended due to pickpocketing. You might have to ask multiple taxi drivers to get a taxi across the bridge. Locals consider the trip dangerous and might refuse it.