Río Aranillas

Boat Ramps: 0
Access Points: 0
Species: 0

The Río Aranillas is a significant trout fishery located within the mountainous landscapes of Tucumán, Argentina. This freestone river is known for its clear, cold waters and diverse aquatic habitat, supporting a robust population of both rainbow and brown trout. The river's course flows through scenic valleys and forested areas, offering anglers a remote and rewarding fishing experience amidst the natural beauty of the region.

Tucumán licenses and regulations3 to check before you go

Species & education

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

No species information available.

Fishing spots, boat ramps & amenities

Learn how to get on Río Aranillas. 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 deep pools formed at the base of waterfalls and cascades in the upper sections. The confluence zones where smaller tributaries enter the main river often create nutrient-rich seams and holding water. Long, gliding runs with moderate depth and good current flow in the middle and lower sections are reliable spots for both nymphing and dry fly fishing.

Know where you can legally fish on Río Aranillas

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.

Tucumán licenses and regulations

Tucumán 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.

Learn more

Tucumán Fishing License

Official online licence/permit system of the Direccion de Flora, Fauna Silvestre y Suelos (Secretaria de Produccion) for the provincial recreational fishing licence (1-5 year terms) under Ley Provincial 6.292.

Learn more

Tucumán Fishing Regulations

Official Secretaria de Produccion page announcing the recreational-fishing season on the province's rivers, with rules in force (daylight-only fishing, per-species daily bag limits, licence requirement under Ley 6.292).

Learn more

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

Get the onWater Fish app

Free on iOS and Android