 Almost at the mouth of Ribeirão do Pito Acceso (Ribeirão da Serra), there was an anchorage of canoes that, forming the monsoons demanded of Cuiabá loaded with gold and precious stones.At the river bank, residents built the first dwellings, thus forming the village of Pirapora do Curuçá.It was named after a stone located on the left bank of the river, which the Indians called Curuçu-Guaçu (which in Tupi means cross) because there was a carved cross in it.