In the heart of the town, in Largo da Sé, this arch is one of the most important architectural complexes in the Algarve. This monumental portal is a 19th century reconstruction. Inside there is an Arab portico, unique in the Algarve region. In the niche above the Arch there is an image, in white marble, of Saint Thomas Aquinas.
This medieval cistern of wealthy proportions dating from the 14th century and is by the door of the hole. Function was to collect and store rainwater and was the main reservoir that supplied the population. In 1950 went on to serve only for domestic watering, given the implementation of the public water supply system, but continues to be a significant architectural testimony of rainwater.
Source in moat of the fortress of Valença, on the West side, between Lapa and the bulwark of St. John. Since its founding, probably 15th century, was considered the main source of the village of Valença. It consists of irregular rectangle, two massive cocks and front tank. Nearby, owned two other tanks.
Square-shaped fountain covered by a porch supported by marble columns, with a pyramidal roof with a pine cone top. It is topped by the coat of arms of Portugal and the municipality. The tank has four spouts in the center.
