Iguaçu National Park

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Iguaçu National Park: A Natural Wonder of South America

Iguaçu National Park, located in the state of Paraná, Brazil, is a testament to the breathtaking beauty and biodiversity that can be found within South America's vast landscapes. Established in 1939, this expansive protected area spans an impressive 185,262.5 hectares. The park's boundaries encompass a diverse array of ecosystems, from dense rainforests teeming with unique flora and fauna to the thunderous roar of one of the world's most awe-inspiring waterfalls.

The park shares its namesake attraction, the Iguazu Falls, with Iguazú National Park in Argentina. With a height of up to 82 meters, the falls are among the tallest in the world, and their combined width of 2,700 meters makes them one of the widest. The sheer volume of water that flows over the falls creates a spectacle unlike any other, with clouds of mist rising high into the sky and rainbows arcing across the landscape.The falls are formed by the Iguazu River as it plunges into the Iguazu Gorge, creating a series of cascades that stretch for nearly 3 kilometers. 

In addition to the falls themselves, Iguaçu National Park is home to a rich and diverse ecosystem. The park is home to numerous rare and endangered species, including the giant otter, jaguar, giant anteater, tapir, and howler monkeys. These animals, along with countless others, have adapted to the unique conditions of the park and play crucial roles in maintaining the delicate balance of its ecosystem. The park's lush vegetation, nourished by the constant mist produced by the falls, provides vital habitat for these animals and supports over 2,000 species of plants, making it a vital center of biodiversity.

The Iguaçu National Park is also of great cultural significance. The indigenous Guaraní people have lived in the region for centuries, and their history and traditions continue to be an integral part of the park's identity. Visitors to the park can learn about the Guaraní way of life through various cultural programs and exhibitions, gaining a deeper understanding of the rich tapestry of human history that has unfolded within the park's boundaries.

In recognition of its outstanding natural beauty and importance to global biodiversity, Iguaçu National Park was designated a UNESCO World Heritage Site in 1986. Today, the park is managed by the Chico Mendes Institute for Biodiversity Conservation (ICMBio), which works tirelessly to preserve and protect the park's unique ecosystems and the myriad species that call them home. Through its efforts, Iguaçu National Park continues to serve as a shining example of what can be achieved when conservation and preservation are prioritized.

To wrap it up, Iguaçu National Park stands as a testament to the breathtaking beauty and biodiversity that can be found within South America's vast landscapes. Its awe-inspiring waterfalls, rich ecosystems, and vibrant cultural heritage make it a must-visit destination for anyone seeking to experience the wonders of nature and the richness of human history. As we continue to face challenges related to climate change and habitat loss, it is more important than ever to support initiatives like those undertaken by Iguaçu National Park, ensuring that these natural treasures are preserved for future generations to enjoy.

UNESCO Description of the World Heritage Site

The park shares with Iguazú National Park in Argentina one of the world’s largest and most impressive waterfalls, extending over some 2,700 m. It is home to many rare and endangered species of flora and fauna, among them the giant otter and the giant anteater. The clouds of spray produced by the waterfall are conducive to the growth of lush vegetation.

UNESCO Justification of the World Heritage Site

Criterion (vii): Iguaçu National Park and its sister World Heritage property Iguazú National Park in Argentina conserve one of the largest and most spectacular waterfalls in the world, comprised of a system of numerous cascades and rapids nearly three kilometers wide within the setting of a lush and diverse sub-tropical broadleaf forest. The permanent water cloud from the cataracts forms an impressive scene that surrounds the forested islands and riverbanks resulting in a visually stunning and constantly changing interface between land and water.

Criterion (x): Iguaçu National Park forms with the contiguous Iguazú National Park in Argentina one of the largest protected remnants of the paranaense subtropical forest, belonging to the interior Atlantic Forest. The rich biodiversity includes some endangered and vulnerable species such as the Jaguar (Panthera onca), the Ocelot (Leopardus tigrinus), the Puma (Puma concolor), the Margay (Leopardus wiedii), the Jaguarondi (Puma yagouaroundi), the Harpy eagle (Harpia harpyja), the giant otter (Pteronura brasiliensis), the black-fronted piping guan (Aburria jacutinga), the Tapir (Tapirus terrestris), the Bush dog (Speothos venaticus), the Pygmy brocket (Mazama nana), the Giant anteater (Myrmecophaga tridactyla), the Monjolo or Surubim of the Iguaçu (Steindachneridion sp), the Piracanjuba (Brycon orbignyanus) and the Fasciated tiger heron (Tigrisoma fasciatum).

Encyclopedia Record: Iguaçu National Park

Iguaçu National Park is a national park in Paraná State, Brazil. It comprises a total area of 185,262.5 hectares and a length of about 420 kilometers (260 mi), 300 kilometers (190 mi) of which are natural borders by bodies of water and the Argentine and Brazilian sides together comprise around 260,000 hectares. Iguaçu National Park was created by federal decree nr. 1035 of 10 January 1939 and became a UNESCO World Heritage Site in 1986. The park is managed by Chico Mendes Institute for Biodiversity Conservation (ICMBio).

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IUCN World Heritage Outlook

The 2025 Conservation Outlook on Iguaçu National Park reports the following assessment:

Source: International Union for Conservation of Nature (IUCN) · View assessment