Located among the lomadas is Diamonte, also called the white city by the coloration of their loamy floor and of sands silíceas.
The region was part of the grace of lands of Hernando Arias de Saavedra, Hernandarias, first Creole Governor of the River Plate and son-in-law of Juan of Garay. At the beginning of the XIX century, in the time of the fights for the Independence, the Directory ordered to place in Punta Gorda a battery to impede the forays for the Paraná of the Spaniards settled down in Montevideo.
In 1832, the governor Pascual Echagüe, with the purpose of forming a military colony, transferred to this place to a group of families Guarani and charrúas that had rebelled in the territory of the current Oriental Republic of the Uruguay. In February of 1836, the same governor ordered to found the town The Diamond, having as boss to San Francisco Xavier, defining the urban plant on the riversides of the river.
In 1848, the Fair general José of Urquiza enabled a port here for the import and export, motivating the agriculture and the cattle raising and promoting the immigration.
The same Urquiza, in 1851, crossed the river Paraná from Punta Gorda, beginning the advance for that reason toward Buenos Aires that it finished with Juan's defeat Manuel of Roses in the battle of Landlords, in 1942 you declararó to Tip Fat National Historical Place.
Thanks to the immigration and the agricultural exploitation, at the beginning of the XX century the port of Diamond reached international levels and the city developed a singular urban profile for the irregularities of the land, in height on the river Paraná.
It is considered as the paradise of fishing. It is chosen by a lot of sport fishing lovers, because in the Paraná River waters you can find, "sábalos", "bogas", gilthead breams, atherines, large cat fishes, patíes, bagres, armados, eels, and "moncholos".