 It is situated in an area of medium altitude, with most of the municipality being between 400 and 500 meters above sea level.The Tambre river (which delimits the southern border with Boimorto), and its tributaries, including the Cabalar river and the Río das Gándaras river, are of great importance.Megaliths are preserved, such as the mámoas de Vilariño, the mámoa de Pedriño or the medorra de Fanegas, in the parish of San Vicenzo de Curtis.