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Iguazu Falls: 275 cascades on the Iguazú River at the Argentina–Brazil border, near Puerto Iguazú, the largest waterfall system in the world.

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Iguazu Falls

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Why go

  • The Devil's Throat (Garganta del Diablo): the main fall, 82 m high, with about half the river's flow plunging into it.
  • The 1 km Paseo Garganta del Diablo trail, which leads directly over the Devil's Throat falls.
  • Inflatable boats on the Argentine side, which take visitors very close to the falls.
  • Forest walkways that reach the falls, and the boats for San Martín Island.
  • The two-step falls, shaped by three layers of basalt rock.

With kids

  • Visitors can get within a few metres of the falls.

Tips for your visit

  • Most falls are on the Argentine side, so the broader panoramic view is from the Brazilian side, in Paraná state.
  • The falls can be reached from Puerto Iguazú or Foz do Iguaçu, the two nearest large towns, about 18 km downstream.
  • Aerolíneas Argentinas has direct flights from Buenos Aires to Iguazu International Airport.
  • From the visitor centre, the Tren Ecológico de la Selva reaches several viewpoints, the Devil's Throat entrance among them.
  • Two walkways run along the falls: about 600 metres to the lower end, about 1,000 metres to the upper end.

Best time to visit

  • Water flow is usually highest from December to February, a rainy stretch of the year.
  • At high water, spray limits the view.
  • Erosion caused by deforestation brings sediment into the river, which turns brown at high water.
  • The climate is humid subtropical, with heavy rain and high temperatures throughout the year.

Know before you go

  • Helicopter tours over the falls are banned in Argentina, to protect the wildlife and plants.

History

Iguazu is a Guaraní name built from words for water and for big, roughly 'the great waters'. Another Guaraní story blames the jealous god Mboi for the falls. In the legend, Naipí runs off by canoe with Tarobá, a mortal she loves, to escape a god who wants her as his bride. The angry god splits the river, which creates the falls and sentences the lovers to fall with the water forever.

  1. 1542The Spanish conquistador Álvar Núñez Cabeza de Vaca is the first European to describe the falls.
  2. 1982The Sept Chutes, a neighbouring cascade, vanished once the Itaipu dam reservoir filled.
  3. 1984 and 1986The two national parks join the UNESCO World Heritage list.
  4. 1999Two tour boats collide in the canyon, killing eight people.
  5. 1999Residents reopen a closed road, and the park is placed on the endangered list.
Show all
  1. 2001Federal courts enforce the closure, and the park leaves the endangered list.
  2. 2011The falls are named one of the seven natural wonders.
  3. 2021Drought lowers the water flow by 80% below its usual level.

Accessibility

  • Walkways reach the falls Walkways lead through the forest to the falls, and several circuits run over the river branches. The lower walkway is about 600 m long and the upper one about 1,000 m.

Shorts

Interesting facts7

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  1. The largest falls are named San Martín, Adam and Eva, Penoni and Bergano.

    Iguazu Falls - Wikipedia
  2. The border between the two countries runs lengthwise through the falls.

    Iguazú-Wasserfälle - Wikipedia
  3. 900 metres

    About 900 metres of the 2,700-metre span carries no water at all.

    Iguazú-Wasserfälle - Wikipedia
  4. Sooty swifts nest in the rock behind the falls.

    Iguazú-Wasserfälle - Wikipedia
  5. 1979

    Moonraker, a James Bond film, was shot here in 1979.

    Chutes d'Iguazú - Wikipedia
  6. 2018

    Black Panther, by Ryan Coogler, was filmed here in 2018.

    Chutes d'Iguazú - Wikipedia
  7. Eleanor Roosevelt exclaimed 'Poor Niagara!' on seeing the falls.

    Iguazu Falls - Wikipedia

Sources: Iguazu Falls - Wikipedia · Iguazú-Wasserfälle - Wikipedia · Chutes d'Iguazú - Wikipedia · checked 18 Oct 2026

Where
Iguazu National Park

Plan from here: Evening walk →

Questions and answers

How do I get to Iguazu Falls from Buenos Aires?

Aerolíneas Argentinas runs direct flights from Buenos Aires to Iguazu International Airport.

How do I get around inside Iguazu Falls National Park?

The Tren Ecológico de la Selva runs from the visitor centre to several viewpoints of the falls.

When is Iguazu Falls at its fullest?

Water flow is usually highest from December to February, one of the rainiest periods of the year. At high water, spray limits the view.

What can children do at Iguazu Falls?

The 1 km Paseo Garganta del Diablo trail leads directly over the Devil's Throat falls, and visitors can get within a few metres of the falls. Coatis roam the park and can turn aggressive toward tourists.

Which towns are nearest to Iguazu Falls?

Foz do Iguaçu and Puerto Iguazú are the two nearest large towns, about 18 km downstream, where the river meets the Paraná.

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