It is the only house left standing which belonged to Don Juan Manuel de Rosas, and is located3 blocks from the main square. It was brought from the Estancia los Cerrillos on December 23, 1987 and placed there in order to be accessed as a historical monument. The ranch is characteristic of eighteenth-century Buenos Aires style of architecture. The roof is original and was made with a bamboo lattice type structure, with a belfry and tied with thongs made from foal leather. The walls are made of mud and straw, in a sausage type system, with walls about 45 cm thick and has 4 rooms, one behind the other.