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Iguassu Falls

A Rainbow in the Spray

A mile and a half of falling water on the border of Brazil and Argentina, loud enough to feel through the boardwalk.

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About Iguazu Falls

This 360° panorama was captured on the walkway at Iguazu Falls, on the border between Brazil and Argentina.

The camera stands on the steel walkway that runs out over the gorge, with railings on both sides and water going over the edge in more places than you can count at once. That is the thing about this place a single photograph never conveys: the falls are not one drop, they are a long curved rank of them, and from here they are on both sides of you. Spray comes up continuously off the bottom and hangs in the air, which is why there is a rainbow standing in the middle of the view and why everything reads slightly soft. The far wall of the gorge is jungle right to the lip. The walkway surface is wet the whole time.

Iguassu Falls is located on the border between Brazil (the State of Parana) and Argentina (the Province of Misiones). It is also called variously Iguazu Falls and Iguacu Falls. It is formed by the Iguazu River, which runs through Brazil for most of its course and marks the border between the two countries in this area. The river cascades down sheer cliffs of up to more than 240 feet. There are several cascades and cataracts, including the largest semi-circular Devil’s Throat. The combined cataracts and cascades are more than two miles wide.

To visit the falls, you can arrive from the Argentine city of Puerto Iguazu or the Brazilian city of Foz do Iguacu, which both have international airports. Most visitors come from the Argentine side because the visa situation is less complicated and there are more hotels on the Argentine side. It is possible to sit on the lawn of a hotel hundreds of yards away from the falls and still see and feel its mist, and the sound of the falls is a constant thunder.

Itaipu Dam Itaipu Dam is one of the world’s largest hydroelectric facilities, in league with the massive Three Gorges Dam in China. It is a project operated both by the countries of Paraguay and Brazil, and it lies on the border of the two countries, damming the Parana River.

Iguazu National Park, Argentina Iguazu National Park, Argentina and Iguacu National Park on the Brazil side are together a UNESCO World Heritage Site that includes the waterfalls itself and the subtropical rainforest surrounding the river. In the forest are more than 2,000 species of plants and exotic wildlife, including coati, howler and capuchin monkeys, ocelots and jaguars, tapirs, giant anteaters, and a wide variety of colorful tropical birds including the toucans, parrots, and macaws.

Visiting Iguazu Falls

Where
On the Iguazu River, on the border between Argentina (Puerto Iguazú, Misiones) and Brazil (Foz do Iguaçu, Paraná), near the meeting point with Paraguay.
Argentina side
Iguazú National Park, with most of the falls and the most walking: upper and lower circuits and the walkway out to the edge of the Devil's Throat.
Brazil side
Iguaçu National Park, with the wide panoramic view across the falls and a walkway out into the spray at the foot of the Devil's Throat.
Time needed
Allow a full day for the Argentine side and half a day for the Brazilian side. Both parks charge entry.
Expect
To get wet. Spray is heaviest after the rainy season, and rainbows appear in it on sunny afternoons.

Frequently Asked Questions

Is Iguazu Falls better from Brazil or Argentina?

Most visitors do both. Argentina has more of the falls and more trails up close; Brazil has the best panoramic view of the whole curve of waterfalls.

What is the Devil's Throat at Iguazu Falls?

Garganta del Diablo, the tallest and most powerful section of the falls, a U-shaped chasm on the border that can be seen from walkways on both sides.

How many waterfalls are at Iguazu?

Around 275 separate falls, depending on the river level, spread along nearly 3 km of the Iguazu River.

Is it Iguazu, Iguassu or Iguacu Falls?

All three. Iguazú is the Spanish spelling, Iguaçu the Portuguese, and Iguassu an older English spelling.