 Subaé River, which borders Santo Amaro, Bahia would be the river of sugar mills, the Jaguaripe River that is present in the city of Nazaré, Bahia, the river of flour, and Paraguaçu, with its length, the river of penetration into the captaincy.In a letter from Frei Vicente do Salvador, it is recorded that Christóvão Jacques found an island (already controlled by the French), on the lower river course of the Paraguaçu two ships that traded with the Indians, and were properly sunk.At the site there would be a town later named village of Nossa Senhora do Rosário da Cachoeira, in the early 17th century allotment of Gaspar Dias Adorno, ideal for penetration of the captaincy.