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The Iguassu Falls are undoubtedly one of the greatest natural wonders of the world, and were declared a World Heritage Site by UNESCO in 1986. A mammoth series of waterfalls cascade over a precipice 3km (1.8 miles) wide, sending up an unending wall of spray that keeps the sky decorated by rainbows.
Iguassu is part of a national park of the same name that is divided between Brazil and Argentina. Are the falls best seen from Brazil or Argentina? The falls should really be viewed from both Brazilian and the Argentinean sides of the river. The finest overall view of the falls is obtained from the Brazilian side where it’s possible to get closer to the fall’s awesome power. For more detailed views, and greater opportunities to experience the local flora and fauna at close range, Argentina offers the best vantage points. Crossing the frontier to see both sides is easy, and if you’re of a nationality that normally requires a visa to visit either Argentina or Brazil you won’t need one just for a day-trip.
There is no “best time” to visit since the falls are impressive and spectacularly beautiful whatever the season. That said, the rainy season is during the winter months of April to July, and at this time the volume of water is at its greatest – but then the sky is usually overcast and the air, especially near the falls themselves, is quite chilly. By the end of the summer dry season, around March, the volume of water crashing over the cliffs is reduced by a third but even then there ‘s no reduction in impact, with the added attraction of the rainbow effects form the splashing of falling water and the deep-blue sky.
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