Iguazú Falls sits on the border of Argentina and Brazil, and both countries have a national park with walkways and viewpoints. The main planning question is which side to visit. For most people with enough time, the answer is both, but this guide shows how to choose if you only have one day.
Argentina vs Brazil at a glance
| Argentine side | Brazilian side | |
|---|---|---|
| Experience | More trails, closer to the water, walk through the forest | Panoramic views from a single walkway |
| Time needed | Usually a full day | Often a half day |
| Highlights | Upper and Lower circuits, Devil’s Throat | Walkway facing the falls, Devil’s Throat platform |
| Base town | Puerto Iguazú | Foz do Iguaçu |
The Argentine side
This side has the most variety. Typical highlights:
- Upper Circuit (Circuito Superior): Walkways along the top of several falls.
- Lower Circuit (Circuito Inferior): Paths and viewpoints looking up at the falls from below.
- Devil’s Throat (Garganta del Diablo): The most famous section, where a large amount of water drops into a narrow chasm. It is reached by a train and then a walkway. Check the current status of walkways and the train, since water levels and maintenance can affect access.
- Boat trips and nature walks: Offered by operators in the park. Availability depends on conditions.
Arrive early, as the park can become crowded, and bring water, sun protection and a light rain layer.
The Brazilian side
The Brazilian side is shorter but gives a wide view of the whole system. A walkway runs along the canyon facing the Argentine falls and ends near the Devil’s Throat. Elevators and viewing platforms make it accessible to many visitors. Boat rides and helicopter flights are also offered, so confirm what is operating before you go. If you want a quick look and a lighter day, this side works well on arrival or departure day.
Getting there
- Airports: Cataratas del Iguazú International Airport (IGR) serves the Argentine side, while Foz do Iguaçu International Airport (IGU) serves the Brazilian side. Both are a short drive from their towns. Buenos Aires and several Brazilian cities have flights, so check which side suits your routing. Our Brazil travel itinerary shows how Iguazú fits with Rio.
- From Buenos Aires: Flying is the practical option, since overland travel takes many hours.
- Closest Brazilian city: Foz do Iguaçu. On the Argentine side it is Puerto Iguazú. A third border town, Ciudad del Este, is in Paraguay.
Where to stay
- Puerto Iguazú (Argentina): Smaller town, closer to the Argentine park, with a range of hotels and hostels.
- Foz do Iguaçu (Brazil): Larger city with more hotel choice and the Brazilian park nearby.
- Inside or beside the parks: A couple of hotels sit very close to the falls, and are useful if you want early or late access, though they tend to be more expensive.
Choose the side that matches your flights and the day you most want to spend on the Argentine trails.
How many days
- One day: Possible but rushed. Choose the Argentine side, or see Brazil in the morning and Argentina after.
- Two days: The usual recommendation: one day for Argentina and a half day for Brazil.
- Three days: Allows a slower pace, wildlife and other nearby attractions.
When to go
Iguazú can be visited year-round. Summer is hot and humid, with rain possible, while the cooler months are more comfortable for walking. The volume of water changes with the season and rainfall, so the look and the access to some walkways can vary. Check forecasts and park notices in the days before you go.
Crossing the border
The two sides are connected by road, and many visitors cross in a day. Bring your passport, allow extra time for immigration lines, and check whether your nationality needs a visa for each country. Rules differ and can change, so check official sources. Many travelers book a transfer or use public buses between towns.
FAQ
Is Iguazú Falls one of the 7 wonders of the world? It was selected as one of the New7Wonders of Nature in a public vote announced in 2011, but it is not part of the classical Seven Wonders list.
Has anyone survived going over Iguazú Falls? There are occasional reports of people surviving falls in the area, but these are rare and the falls are dangerous. Stay on the marked walkways and follow park rules.
Is Iguazú bigger than Niagara? Iguazú is generally described as wider and made of many separate falls.
How do I get to Iguazú Falls in Argentina? Fly to IGR from Buenos Aires or another city, then take a taxi, bus or arranged transfer to Puerto Iguazú or directly to the park. For broader trip ideas in the country, see our guide to the best places to visit in Argentina.