[1] It has its source in the Cuchilla Grande in Cerro Largo and runs southeast to the Treinta y Tres Department where it flows into the Lagoon Mirim.

Its river basin covers approximately 3600 km².

Waters deriving from this river are primarily used for irrigation in the region's agriculture interest.

[2] Tacuarí is an herb that grows along the shorelines of the river that is used to prepare mate.

This article related to a river in Uruguay is a stub.