Riacho Negro

Boat Ramps: 0
Access Points: 0
Species: 0

Riacho Negro is an intermittent stream, or arroyo, flowing through the province of Formosa in northeastern Argentina. This 94-kilometer waterway is situated within the broader Pilcomayo region, near the locality of Colonia Campo Villafañe. It intersects with National Route 11, which connects it to the cities of Clorinda to the north and Formosa to the south. The stream's intermittent nature means its flow can vary significantly with seasonal rainfall patterns, a key characteristic for anglers to understand when planning a visit.

Formosa licenses and regulations4 to check before you go

Species & education

Learn what type of fish are at Riacho Negro and what's needed to catch them.

No species information available.

Fishing spots, boat ramps & amenities

Learn how to get on Riacho Negro. 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.

One identifiable fishing location is the area referred to as "Dique" on Riacho Negro. Structures like dams or weirs often attract fish by creating deeper holding water, changes in current, and concentrated food sources, making them reliable spots to explore.

Know where you can legally fish on Riacho Negro

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.

Formosa licenses and regulations

Formosa Boating Regulations

Boating in Argentina is regulated nationally by the Prefectura Naval Argentina, not by the province - covering recreational-vessel registration, the boat-operator licence (habilitacion nautica), and navigation safety.

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Formosa Fishing License

Official Formosa tramite page for the recreational fishing licence (Direccion de Registro, Control y Fiscalizacion), listing requirements, licence categories, fees, pickup locations and the bank deposit needed.

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Formosa Fishing Regulations

Official Formosa Produccion y Ambiente page with the full recreational reglamento: per-species minimum sizes and daily limits, prohibited zones, allowed gear, Law 1314 infractions, and the hydrometric-level-based veda system.

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Formosa Stream Access Laws

No distinct stream-access page; access to navigable waters is public domain under the national Codigo Civil y Comercial. The Produccion y Ambiente pesca deportiva page is the closest official page.

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Take Riacho Negro 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 Riacho Negro to use it offline when coverage drops.
Log your catches here
Keep a private fishing journal for Riacho Negro to find where and when fish are biting for you.

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