During the reign of King Afonso III (13^th century), soon after the city was conquered by Christians, the walls of the city and the castle were rebuilt, and the imposing keep was built by his son, King Dinis, during the 14^th century. Almost 40 metres high, it is remarkably beautiful and is considered by some experts to be the highest military tower in the country and one of the highest in all Iberian Peninsula. With about 200 challenging steps, at the top one can appreciate the immensity of the Alentejo landscape. On clear days, you can see some villages and towns like Serpa and Vidigueira, the golden-green fields and the Guadiana River in the distance. Since March 2022 that the visit has the Interactive Route of the Castle of Beja, a digital and interactive resource with information about the history of the castle and the city, games, and 3D animations with illustrations of the before and after, turning the visit to the castle and the tower more enriching for those who visit it. Besides the castle, you can still see the ramparts that surrounded the medieval town, dating from the same period, with 28 towers and wall panels remaining. The Beja Castle, namely its Keep, is the city’s most famous and emblematic monument, being classified as a National Monument since 1910. 

Currently the castle is also a space of culture, as it hosts various activities and exhibitions, which you can learn more about these and many others through the website Visitebeja.pt.