Processes visas (Australia/USA/other AR$2400/3600/1600) for Brazil. It takes 24–72 hours so visit as soon as you arrive in town. Apply online first and print out the receipt before visiting the consulate with a bank…
Paraguayan visas cost US$65 for most but US$160 for Americans at the time of research. Visa processing takes three hours, and you'll need your passport, two photos and a copy of your credit card.
Stop at the Centro de Visitantes near the entrance to pick up maps including the guide for the Sendero Macuco.
The most helpful information office in town.