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Iguaçu National Park
Where 185,000 hectares of pristine rainforest meet thundering waters that form a natural border between nations.
Why Iguaçu National Park stands out
Iguaçu National Park stretches across Paraná State, a vast expanse of 185,262.5 hectares where 300 kilometers of natural waterways and forest edge the Argentine border. Created by federal decree in 1939, this sanctuary has grown into one of South America's most protected ecosystems, now stewarded by the Chico Mendes Institute for Biodiversity Conservation.
The geography and story of Iguaçu National Park
The park's significance transcends its borders—the Brazilian and Argentine portions together encompass around 260,000 hectares of shared wilderness. Recognized as a UNESCO World Heritage Site in 1986, Iguaçu stands as a testament to international conservation, where the landscape itself draws the line between two nations across 420 kilometers of unbroken natural splendor.
The park's 300 kilometers of natural water borders serve as the official boundary between Brazil and Argentina, making the waterfalls and rivers themselves international demarcation lines.
Iguaçu National Park at a glance
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Test yourself
Which South American park's waterfalls form the official border between two nations?
Iguaçu National Park's 300 kilometers of natural waterways serve as the demarcation line between Brazil and Argentina, making the waterfalls themselves international boundaries.
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