The territory of the parish rises gradually from the coast, first as a relatively gentle slope, but at an increasingly rugged grade as one approaches the heights of the Serra de Santa Bárbara, where five streams have their sources: the "Riberia dos Gatos", the "Ribeira de São Roque", the "Ribeira das Lajinhas", the "Ribeira da Lapa", and the "Ribeira do Pamplona". Although crossed by various river courses, the parish is actually poor in hydrographic resources, since surface water is intermittent. In fact, ravine water is primarily from intense precipitation in the foothills, lasting a short time normally. This was not the case during the period of early colonization, since the forest and tuber vegetation would regulate waterflow, resulting in light continuously flowing streams throughout the year. From east to west, the following ravines are the primarily affluent in the parish: