It happened in the southwest of the Corrientes Province, Argentina on 4 February 1846, when the army under Entre Ríos Province governor Justo José de Urquiza, defeated and captured the commander of the vadvanced columns of Corrientes' army, Juan Madariaga.
Since 1839 Corrientes province had rebelled against the authority of the central government in Buenos Aires, Juan Manuel de Rosas.
Governor Joaquín Madariaga gave command of his provincial army to general José María Paz, who in 1841 had obtained an impressive victory at the Battle of Caaguazú in Corrientes.
Paz organized his forces and when the governor of Entre Rios invaded, he set a trap in the extreme north of the Iberá Wetlands.
After the signature of the Treaty of Alcaraz and its rejection by Rosasthe situation would be resolved the following year at the Battle of Vences, which would signal the end of Corrientes Province's rebellion.