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Largest flood at Iguaçu Falls in 2014 recorded 46 million liters per second
Guia 3 newsroom · edited by Annie GrellmannPortuguêsEspañol
Flow 30 times higher than historic average of 1.5 million liters per second
In June 2014, the Iguaçu Falls in Foz do Iguaçu recorded a flow of approximately 46 million liters per second, about 30 times the historic average. On October 14, 2026, the flow reached 15.8 million liters per second, more than ten times the average, surpassing the height of the walkway.
Images from June 2014 show the power of the water during the largest flood ever recorded at Iguaçu Falls, with a flow of about 46 million liters per second, a value that exceeds the historic average of 1.5 million liters per second by more than 30 times. The current nearly covered the walkway used by tourists, but the concrete beams and pillars remained intact.
On Wednesday, October 14, 2026, the water volume reached 15.8 million liters per second, more than ten times the average, and also surpassed the height of the walkway.
The current walkway, built in the 1990s with pillars anchored directly into the rock using a root-pile technique, has its railings removed preemptively during floods. It is reopened to the public only after a technical inspection and when the flow is below 8 million liters per second. Precision equipment monitors millimeter-scale movements in the pillars, ensuring no structural damage.
Source: G1 – https://g1.globo.com/pr/oeste-sudoeste/noticia/2026/10/18/video-maior-cheia-registrada-nas-cataratas-do-iguacu.ghtml
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