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Forte de São Lourenço do Bugio

Forte de São Lourenço do Bugio
About

Rising from the middle of the Tagus River like a mysterious stone island, Forte de São Lourenço do Bugio is one of Lisbon’s most intriguing and rarely visited landmarks. Built in the 17th century to protect the city from naval attacks, this circular fortress was inspired by Renaissance military architecture and stands on a sandbank at the river’s mouth. Its remote location makes it inaccessible to the general public except by special boat tours, which adds to its allure and sense of isolation. From a distance, the fortress resembles a maritime lighthouse, and though it no longer serves a defensive role, it remains a striking symbol of Lisbon’s coastal defenses. Seen from Belém or during a boat cruise on the Tagus, the fort offers a dramatic and photogenic contrast to the natural beauty of the river and sky. While not as well-known as other city attractions, Forte do Bugio fascinates those with an interest in history, architecture, and off-the-beaten-path sights.

Lisbon Portugal
Location

Forte de São Lourenço do Bugio, also known as Torre do Bugio or Bugio Lighthouse, is located on a sandbank in the middle of the Tagus River estuary, about ten kilometers west of central Lisbon, within the municipality of Oeiras in Lisbon District. The fort is not open to the public but is clearly visible from the Lisbon-Cascais coastline and from boat tours that pass through the estuary. Nearby attractions include the São Julião da Barra Fort and the scenic beaches of the Estoril coast, while Lisbon’s main landmarks such as Belém and the Padrão dos Descobrimentos are visible in the distance. The area is a highlight for boat excursions and offers panoramic views of the river and ocean meeting point.

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