Lago de la Retención

Boat Ramps: 0
Access Points: 0
Species: 0

Lago de la Retención is a significant reservoir located on the lower stretch of the Río Negro in the Río Negro province of Argentina. This man-made lake is formed by a containment dam and serves as a popular destination for anglers seeking diverse fishing opportunities in the region.

Río Negro licenses and regulations4 to check before you go

Species & education

Learn what type of fish are at Lago de la Retención and what's needed to catch them.

No species information available.

Fishing spots, boat ramps & amenities

Learn how to get on Lago de la Retención. 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.

The reservoir is characterized by its main body formed by the dam, with the Río Negro flowing into it upstream. The area near the dam structure and the inflow zones where the river enters the lake are distinct sections that often hold fish.

Know where you can legally fish on Lago de la Retención

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.

Río Negro licenses and regulations

Río Negro 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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Río Negro Fishing License

Official Gobierno de Rio Negro page for the continental sport-fishing permit. Rio Negro issues the unified Patagonian permit, valid across Patagonian fishing waters except Tierra del Fuego, and links the online purchase portal.

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Río Negro Fishing Regulations

Official Rio Negro annex of the Reglamento de Pesca Deportiva Continental Patagonico, published by the provincial Coordinacion de Pesca Continental (Viedma).

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Río Negro Stream Access Laws

No distinct stream-access page; access rights derive from the national Civil Code (public navigable waters and the camino de sirga). The official provincial fishing page is the closest source.

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Take Lago de la Retención 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 Lago de la Retención to use it offline when coverage drops.
Log your catches here
Keep a private fishing journal for Lago de la Retención to find where and when fish are biting for you.
HD depth charts from Garmin
Find drop offs, ledges, channels, points and shallow flats with Garmin depth charts in the app.