Río San Martín

Boat Ramps: 0
Access Points: 0
Species: 0

The Río San Martín is a 25-kilometer river flowing through the Catamarca province of Argentina. It offers a remote and scenic fishing destination within the Andean region, characterized by its clear, cold waters and diverse aquatic habitats.

Catamarca licenses and regulations4 to check before you go

Species & education

Learn what type of fish are at Río San Martín and what's needed to catch them.

No species information available.

Fishing spots, boat ramps & amenities

Learn how to get on Río San Martín. 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. Key areas include the heads and tails of pools, where trout often hold to feed. Riffles and runs with broken water provide excellent oxygenated feeding lanes. Undercut banks and areas with submerged structure, such as fallen trees and large boulders, offer cover and ambush points for larger trout.

Know where you can legally fish on Río San Martín

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.

Catamarca licenses and regulations

Catamarca 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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Catamarca Fishing License

Catamarca's annual permiso de pesca deportiva is issued by the provincial Secretaria de Medio Ambiente (Direccion de Recursos Forestales, Suelo y Biodiversidad); applicants must be 14+, with in-person and digital routes.

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Catamarca Fishing Regulations

Catamarca's fishing framework is provincial Ley de Pesca on the official provincial Digesto; annual season specifics are set by a seasonal Disposicion.

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Catamarca Stream Access Laws

No distinct Catamarca stream-access page; water access follows the national camino de sirga. The provincial Secretaria de Medio Ambiente is the closest official authority.

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

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