Cachoeira Paulista is a municipality in the state of São Paulo in Brazil. It is part of the Metropolitan Region of Vale do Paraíba e Litoral Norte, in the Guaratinguetá Microregion. It is located at latitude 22º39'54 "south and longitude 45º00'34" west, being at an altitude of 521 meters. Its estimated population in 2020 was 33,581 inhabitants. It has as bordering cities Cruzeiro to the north, Silveiras to the east, Lorena to the south and west and Canas to the southwest. The Brazilian Decimetric Array radio telescope is situated in Cachoeira Paulista. The municipality contains part of the Mananciais do Rio Paraíba do Sul Environmental Protection Area, created in 1982 to protect the sources of the Paraíba do Sul river. History Documents from 1730 cite a settlement belonging to the Village of Lorena, called Arraial of the Porto da Caxoeira, whose initial landmark of the primitive nucleus was a small hermitage erected by devotees in honor of Lord Bom Jesus da Cana Verde, in the year 1780. On October 18, 1784, Manoel da Silva Caldas and his wife, Ângela Maria de Jesus, donated "two fathoms wide by half a mile long on the left bank of the Paraíba do Sul River, to the borders with the Embaú," to the patrimony of the new Chapel of the Bom Jesus da Cana Verde, erected in its lands by Sebastiana de Tal, constituting in fact the camp that allowed the expansion of the village there installed. The first buildings installed consisted of huts of sertanejos (settlers), mostly fishermen, who took their sustenance from the Paraíba River. The first street of Cachoeira was Bom Jesus Street, which at that time left the chapel and advanced to the route through which the muleteers headed for Minas Gerais. The great movement of muleteers, which went to the ports of Paraty and Mambucaba consolidated the character of the old settlement, centered in the canoe ports of the Rivers Paraíba and Bocaína, mainly with the implantation of coffee cultivation. Under these conditions, was created in 1876, the Parish of Santo Antonio do Porto da Cachoeira. Four years later the name was changed to Santo Antonio of the Bocaina, evoking the landscape of the mountain ranges of the Bocaíca that surround the place. On August 18, 1822, Prince Regent Dom Pedro I passed through the city, during his trip from Rio de Janeiro to Santos, during the events that