Greetings from the Brazil-Argentina border, where waterfalls are flowing at near-record rates

by | Oct 22, 2026 | Top Stories

Greetings from the Brazil-Argentina border, where waterfalls are flowing at near-record rates

Iguazú Falls, a massive complex of cascades spanning more than a mile across the Brazil-Argentina border, is currently experiencing exceptionally high water volumes this month. Scientists attribute the unusually intense rainfall in Brazil to this year’s Super El Niño, a climate phenomenon driving extreme weather events globally.

During a recent visit to Iguazú National Park in Argentina, officials measured nearly 12 million liters—equivalent to more than 3 million gallons—of water flowing over the falls per second at one point. This volume represents approximately 10 times the normal flow rate. The surge in water volume has created both a dramatic visual spectacle and operational challenges for the park.

The elevated river levels have forced officials to close the metal catwalks that typically allow visitors to walk near the falls during periods of normal rainfall. These walkways, which usually hover several feet above the falls, have been inundated as water levels continue to rise. According to the national park’s director, the closures reflect ongoing rainfall in the region. The exceptional conditions have resulted in fewer tourists visiting the falls this month, though those who ventured out during the deluge experienced the falls at an unusually powerful state. The combination of the roar of rushing water, the visual spectacle of the cascades, and the sheer force of the rushing river creates an overwhelming demonstration of natural power.

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