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Falls flow below average: what it means for your visit
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Marco Três newsroom · edited by Annie Grellmann
The flow at the Falls is 1.173 m³/s, about 0,78 times the historic average of 1.500 m³/s, i.e., below normal.
The measurement indicates 1.173 m³/s (cubic meter per second – volume of water that passes in one second). This corresponds to 0,78 times the historic average flow of 1.500 m³/s of the Rio Iguaçu at the Falls, placing the flow in the typical range and well below flood levels.
In practical terms, the water that plunges over the falls equals one Olympic-size swimming pool every 2,1 seconds, or 117 water tankers per second. In about 37 seconds this volume would be enough to meet the daily water consumption of the entire population of Foz do Iguaçu (approx. 285 mil residents).
Because the flow is reduced, the viewpoints and most walkways remain open, and the risk of closing the final walkway – which only occurs during very intense floods (e.g., 24.000 m³/s in out/2023) – is low. Still, it is recommended to check the park status on the day of your visit at /cataratas-hoje before heading out.
What this means for you:
- Expect a calmer flow at the falls, ideal for photos without much mist.
- Ability to walk the trails and viewpoints without restrictions.
- Bring a light raincoat or umbrella, as the water can still be cold and humidity high, but there is no risk of interruptions to the attractions.
Read also: Why visit Iguazu Falls?
Frequently asked questions
- Can the current flow prevent access to any part of the Falls?
- With a flow of 1.173 m³/s, access to the main trails and viewpoints remains open; only the final walkway usually closes during very high floods, which is not the case now.
- How does the flow of 1.173 m³/s compare to the historic average?
- It is about 0,78 times the historic average of 1.500 m³/s, meaning it is below normal and far from flood levels that reach 24.000 m³/s.
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