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Fort of the Berlengas: Historic Marvel & Scenic Views in Portugal

Fort in Berlenga island - Portugal - architecture background
Photo by depositphotos.com

Located in the scenic Berlengas Archipelago in Portugal, the Fort of the Berlengas—otherwise known as the Fort of São João Baptista—has been an area of interest since the Romans declared that the Berlengas Archipelago was under the watchful eye of the god Saturn. The Fort of the Berlengas started out as a monastery but morphed into a fort when the isolated monks, who lived in the Berlengas, had to abandon their posts due to relentless stormy weather, constant pirate incursions, and craggy terrain that was not conducive to growing crops.

Fort in Berlenga island - Portugal - architecture background
Photo by depositphotos.com

In 1502, King Manuel of Portugal decided that the remote island of Berlengas Grande was situated in a location of great strategic importance. King Manuel ordered the construction of the Fort of the Berlengas from the remnants of the abandoned Monastery of Misericórdia da Berlengas. By the 1600s, the former monastery had been razed completely and replaced by a solid military fort, which was able to fend off a fierce attack by a Spanish fleet in 1666.

Fort in Berlenga island - Portugal - architecture background
Photo by depositphotos.com

The Fort of the Berlengas served as an invaluable Portuguese military stronghold until the mid-1800s when the balance of power shifted. In the mid-20th century, preservationists decided that the rugged, windswept Fort of the Berlengas was worth renovating. In the wake of a massive restoration project, the Fort of the Berlengas is open to the public every summer. Visitors can take a guided tour of the fort’s grounds and walk up nearly 300 stone steps to experience a stunning view of the Berlengas Archipelago.

Fort in Berlenga island - Portugal - architecture background
Photo by depositphotos.com

Visitors can reach the Fort of the Berlengas by ferry. Be advised that if there is a steady wind blowing, you may be in for a rough ride. Basking in the splendor of the Fort of the Berlengas’ dramatic stone walls, winding steps, and sweeping views of the sea is certainly worth braving a bit of choppy water.

Address:
Berlenga Grand
Peniche
Portugal

UnusualPlaces Field Notes

Location
Fort of São João Baptista, Berlenga Grande, Peniche, Portugal
Coordinates
39.411263, -9.507927
Access
Reach Berlenga Grande by boat from Peniche; the crossing depends on sea conditions and should be booked ahead. Every visitor needs a valid BerlengasPass for island access. Walk only on marked paths. The fort currently functions as a refuge/guest accommodation, and the local boat operator warns it is not open to the public all year; confirm whether the interior is open before planning to enter.
Admission
The ICNF BerlengasPass island access fee is €3 per person per day; ages 7–17 and 65+ pay half, and children 6 and under must register but pay no fee. This is an island permit, not a fort ticket. Boat fare and any fort lodging or separate access are additional; no separate fort admission price was confirmed.
Time needed
No official fort-only visit duration is published. Allow for the Peniche boat schedule, the walk across Berlenga Grande and the time available on your booked island visit; confirm the return boat and fort access with the operator.
Best season
Peniche’s official tourism information lists daily boat transport mainly from May through October. Outside that season, smaller boats depend on sea conditions. The fort operator warns the fort is not open to the public all year, so confirm schedules; summer is the clearest transport season, not a guarantee of calm seas or fort entry.
Opening hours
No fixed public fort opening hours were found. The fort is used as refuge accommodation and is not open to the public all year; confirm current access directly with the fort/boat operator. The island itself requires a BerlengasPass and boat operators set sailing schedules.
Location checked
2026-09-26
Facts checked
2026-10-17

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