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Rio Cacau

Boat Ramps
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Access Points
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Species
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The Rio Cacau is a freshwater river flowing through the state of Maranhão in northeastern Brazil. It is part of the broader coastal basin system of the Maranhão region, which is recognized for its significant and diverse fish fauna.


Species & education

Learn what type of fish are at Rio Cacau and what's needed to catch them.

No species information available.

Fishing spots, boat ramps & amenities

Learn how to get on Rio Cacau. Uncover great fishing access points, boat ramps, and all the facilities you need for an unforgettable day on the water. Some locations shown may border or include private property. Always check property boundaries and applicable regulations before visiting. onWater's Public & Private Land layer can help you plan your access with confidence.

Productive fishing can be found throughout the river system, with areas of particular interest often being confluences with tributaries, deep pools, undercut banks, and areas with submerged structure. These spots provide cover and feeding opportunities for the diverse fish population.

Know where you can legally fish on Rio Cacau

See public and private land boundaries along the water, turn on private parcels with owner details to know where permission is required, and find land-trust parcels that offer permitted fishing access.

Maranhão licenses and regulations

No licenses or regulations available for Maranhão.

Take Rio Cacau with you

The onWater Fish app keeps this water's access points, species and conditions in your pocket, with the tools you use once you're there.

  • Use the map without signal

    Download the map around Rio Cacau to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for Rio Cacau to find where and when fish are biting for you.

Get the onWater Fish app

Free on iOS and Android

Water and weather conditions (10 day forecast)

See the best times to fish Rio Cacau and check the forecast before you go.

No forecast data available.


Explore Maranhão waters

Top fishing waters

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