The TacuarÃÂ River is a river in Cerro Largo Department, Uruguay. 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 kmò. Waters deriving from this river are primarily used for irrigation in the region's agriculture interest.
TacuarÃÂ is an herb that grows along the shorelines of the river that is used to prepare mate.