Heavy Rains Drive Iguazu Falls to Near Record Flow

Heavy rainfall across Brazil drove Iguazu Falls on the Argentina-Brazil border to near-record water levels in October 2026, prompting national park officials to close walkways as the river continued rising. The unusually powerful flow followed relentless rain that scientists linked to this year's Super El Niño, which has contributed to extreme weather events around the world. During a recent visit to Iguazú National Park in Argentina, officials recorded nearly 12 million liters of water per second cascading over the falls, equivalent to more than 3 million gallons per second.

According to the figures recorded that day, the flow was 10 times the normal rate. Iguazu Falls consists of a vast network of cascades stretching more than a mile across the border between Argentina and Brazil. The heavy rain turned the Iguazú River red and muddy, sending powerful surges over the cliffs and raising the water level beneath narrow metal walkways normally positioned several feet above the falls.

As the river continued to rise, officials closed the walkways to protect visitors from the dangerous conditions. The closures came during a month when fewer tourists than usual visited the area despite the dramatic increase in the falls' volume.

The director of the national park offered a brief explanation for the access restrictions when asked why visitors could no longer use the walkways. "It just keeps raining." said the national park's director.