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Iguaçu River Reaches 15,800 m³/s, Breaking Our Series Record

Guia 3 newsroom · edited by Annie GrellmannEspañolPortuguês

The Iguaçu River reached 15,800 m³/s at the Falls at 4 p.m. on October 14, more than ten times the historical average and well above the previous record in our series, 11,831 m³/s on 10/12. The flow rose over a day and a half, stabilized in the afternoon, and began to fall at night.

Iguaçu River Reaches 15,800 m³/s, Breaking Our Series Record
Foto: Cesar I. Martins from Jundiai, Brazil / Wikimedia · CC BY 2.0

The ANA station at Hotel das Cataratas recorded 15,800 m³/s at 4 p.m. on October 14. It is the highest value in the series that Guia 3 has been tracking since June 17, 2026, far above the previous record, 11,831 m³/s on 10/12, and more than ten times the historical average of 1,500 m³/s. The base matters: the river’s record is from June 2014, so this is a record for our series, not the Iguaçu’s history.

How the river rose

whenflow
10/13, 2 a.m.9,567 m³/s (the lowest point after the 10/12 peak)
10/13, 12 p.m.11,524 m³/s
10/13, 10 p.m.14,442 m³/s
10/14, 6 a.m.15,546 m³/s
10/14, 12 p.m.15,794 m³/s
10/14, 4 p.m.15,800 m³/s (peak)

It was about a day and a half of rise, over 6,000 m³/s more. The river stabilized in the afternoon, peaking at 15,800 m³/s at 4 p.m., and began to fall at night (15,166 m³/s at 11 p.m.), with an orange storm alert from INMET still in effect for Foz.

What this means

  • Brazilian side (information valid on 10/14/2026): the park opens, but the walkway and several points are closed, and the walkway railings have been removed, something that hadn’t happened since 2023. Check the official source or the Falls administration website to confirm the current status.
  • Argentine side: the Superior and Inferior circuits closed again this Wednesday, a day after reopening: see here.

Daily status in Are the Falls open today? and hourly river reading in How are the Falls today.

Source: ANA, station 65992502 (Hotel das Cataratas), Guia 3 series.

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Frequently asked questions

What is the flow of the Iguaçu River today at the Falls?
At noon on 10/14/2026 the ANA station recorded 15,800 m³/s, the highest value in Guia 3’s series, which starts on June 17, 2026.
Is this the largest flood in Iguaçu history?
No. It is a record for our series. The river’s overall record is from June 2014.
Can I visit the Falls with the river at this level?
The Brazilian side opens, with the walkway and other points closed; the view is from the trail lookouts. The Argentine side closed the Superior and Inferior circuits on 10/14.

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