The semicircular waterfall at the heart of this site is some 80 m high and 2,700 m in diameter and is situated on a basaltic line spanning the border between Argentina and Brazil. Made up of many cascades producing vast sprays of water, it is one of the most spectacular waterfalls in the world. The surrounding subtropical rainforest has over 2,000 species of vascular plants and is home to the typical wildlife of the region: tapirs, giant anteaters, howler monkeys, ocelots, jaguars and caymans.

The Iguazu Nationa Park has different species of animals and plants, which try to be preserved in their natural habitat. Among the mammals there appear: the “Jaguaret?”, the “Gato onza” (a kind of cat), the puma, the monkeys, and the “mono aullador or caraya” (howler and monkeys or caraya.) The coaties, the “aguara- pope” ( a specie of bear), the “yurum?” (an ant bear) are also found there.

Among the reptiles there appear: the alligator, the alligators of the specie Tupinambis, the roguer and the different species of snakes.

The birds that belong to the forest of the Iguazu National Park are the following: the “magpie"( a kind of bird), the “hu?-parrot” (a specie of parrot), the “Mart?n Pescador” (a kind of bird), the toucans, the thrushes, the woodpeckers, the herons, the teros, the swallows and the “yacutinga” (a kind of bird).

Among the batrachians there appear: the toad or curucu, which makes a sound that seems as it pronounced the word ox.

It is incredible all the insects that appear in this place, especially butterflies of beautiful colors, “mbarigu?” ( a specie of insect), “ura” (botfly), mosquitoes and other species.

The fishing is very exciting there, the most famous species are the following: the “dorado” (swordfish), “manguruyu” (a river fish), “bagre” ( a kind of catfish), “chucho de r?o, morena, pacu” (kinds of fish), “salmon” (salmon), “corvina"(corvine), and other species such as “armado, mandov?, boga, raya and pira-yagua”.

The park has trees of 15 to 4 metres such as: “Anchico, Lapacho” (american timber trees), “Palo Rosa” (rose timber), “Guatambu amarillo y Blanco”, “Seibo” (national tree), “Timbo”, “Laurel” (laurel), Mat?, “Fumo Bravo, Ambay, Turuma”, “Cedro” (cedar), “Pacuapi”, “Palmito” (palmeto), “Aguay” (star apple), “Azota, Caballo, Koku”, “Mandioca brava” (bitter cassava), etc. Including “Orquideas” (orchidaceous), “Bambuseas” (bambuseas), “Helechos” (ferns), “lianas”, “Enredaderas” (climbing plants), “Ep?feras” (epipheras), “Hemiparasitas” (hemiparasites), “naranjo” (orange tree), “Lapacho amarillo y negro”, and “Palo Borracho” are also found there.

Cataratas del Iguazu (Iguazu Falls): There is nothing to be compared with them because they are incredible. The “UNESCO” (United Nations Educational Scientific and Cultural organization), declared them national heritage of the humanity. The cascades have 250 spectacular falls that weigh 70 metres and they are connected to the Iguazu river which originates 1300 metres above the sea level and flows into the Parana river only to 90 metres.

There are two paths, which allow tourists to know the falls of the park in a number of different ways. The excursion begins on the lower path to appreciate the falls covered up in the mist and the clamour of the water that falls down. From the superior path it can be observed a panoramic view. The paths, which were repaired, are placed 50 centimetres from the earth to avoid that the manhood modifies the flora and fauna of this place.

The “Garganta del Diablo” is incredible, the excursion begins from the “Puerto Canoas” (Canoas Port) by boat up to the remains of the footbridge, and from this place there is an access to the overlooking. From the side of Argentina, the “Garganta” can be seen 50 metres away, and from the side of Brazil it can be seen 50 metres away.