King Manuel I of Portugal signed the order for the first voyage to India by Vasco da Gama within the walls of this castle in 1497.
The castle complex once included a Royal Palace, which served as a residence for the Portuguese court during the Middle Ages.
The Church of Santiago was renovated in the early 20th century to preserve its distinctive Manueline-style portal.
Archaeological digs at the site uncovered evidence of a prehistoric settlement predating the Moorish fortress.
The strategic location allowed the castle to command the passage between the Tagus River basin and the southern Alentejo regions.
Castelo de Montemor-o-Novo is a walled medieval fortress complex situated on a prominent hill overlooking the Alentejo plains. The site dates back to the Islamic period, with significant fortifications added by Portuguese monarchs after the 1212 Christian reconquest. It contains the ruins of the Church of São João Baptista and the Church of Santiago, which now houses an interpretive center. The castle walls encompass a large interior area that historically served as a fortified village. Archaeological excavations have revealed layers of occupation spanning from the Neolithic period through the Roman era. The site remains a significant example of a medieval 'vila muralhada' (walled town) architecture in Southern Portugal. The fortifications were modified extensively in the 16th century to adapt to evolving military defense technologies. Large sections of the curtain walls and several towers are still standing and accessible to the public.
The elevated wall section near the main gate providing a panoramic view of the Alentejo landscape and the modern town below.
Wear sturdy walking shoes to navigate the uneven terrain and unpaved paths inside the walls.
Carry water, as there are limited facilities for refreshments within the castle perimeter.
Bring a hat and sunscreen, as the site is largely exposed with minimal natural shade.
Do not attempt to walk along the top of the ramparts, as many sections lack safety barriers and are in fragile condition.
Respect all signage regarding fenced-off archaeological zones and avoid climbing on unstable masonry.
