Best castles around Mexilhoeira Grande offers a glimpse into the region's rich history, from prehistoric times to coastal defense. While traditional medieval castles are not directly within the village, the area is home to significant ancient structures and is in close proximity to notable historical fortifications. The Megalithic Monuments of Alcalar, a prehistoric necropolis, represent a key historical site near Mexilhoeira Grande. The wider Portimão municipality features several historical forts and castles that protected the coast and controlled trade routes.
…Last updated: July 1, 2026
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Castelo de São João do Arade is an old fort in Ferragudo, built to defend the mouth of the Rio Arade River from pirates and invasions. It is situated on a rocky outcrop between Praia da Angrinha and Praia Grande. The fort is now privately owned and not open to the public, but it is a striking and photogenic part of Ferragudo's coastal landscape.
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The Forte da Ponta da Bandeira is a 17th-century coastal fort in Lagos, Portugal, originally built between 1680 and 1690 to defend the city from maritime threats. The fort is designed with a square plan, thick walls facing the sea, and a surrounding moat, accessible via a drawbridge. It contains a small chapel dedicated to Santa Bárbara, the patron saint of artillery, completely clad in 17th-century azulejos.
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The area where the castle stands has been inhabited since at least Roman times, due to the presence of salting tanks nearby. In the 15th century, a watchtower was built. In the early 17th century, under Philippine rule, the government began a programme to build several fortresses along the coast to defend it from attacks by pirates and corsairs. A fortress was planned to be built at the mouth of the Arade River, although initially no agreement was reached on which side of the mouth it should be built. The Italian military engineer Alexandre Massai argued in favour of the left bank, where Vila Nova de Portimão could be better defended, and so the fortress was built on this side. It was only after the restoration of independence in 1640 that plans began to be made to build the castle on the right bank, as a way of protecting the coast from Spanish attacks. The works took place between 1643 and 1644, on the site of the old watchtower, known as Ferragudo Castle, which was no longer considered strategically effective. In fact, it served not only to protect but also to control the mouth of the Arade, and was a customs registration point for ships sailing along the river to the city of Silves. In 1654, the castle underwent a process of refurbishment. The building was gradually abandoned and was already in ruins by 1669. However, the castle was still subject to extension works in the 18th century, and was only slightly damaged by the 1755 earthquake, due to the solid rock on which it was built. In 1821, two batteries were still in operation on the highest part of the castle, both with gun ports. By 1861 it was once again in ruins, and in 1892 it was leased to the writer and diplomat Joaquim José Coelho de Carvalho, whose family had bought the building in 1896. Joaquim de Carvalho carried out renovations at the beginning of the 20th century, which gave it the appearance of a romantic castle. Some time later, it became the property of the politician Francisco Vieira Machado. The monument did not undergo any major renovations in the 20th century. The changes that were made to its interior were mainly used to transform it into a holiday home, although much of the building remained in a state of disrepair. In 1976, the Ferragudo Parish Council asked for the fort to be ceded to it, so that a cultural centre could be set up inside.
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The fort has a chapel dedicated to St. Barbara and an azulejo group from the end of the 18th century. The building, which was restored in the 1960s, is the bookplate among the sea fortresses of the Lagos fortifications. See: https://www.visitportugal.com/de/NR/exeres/C411AAEA-06C3-48DE-AF94-F497E49D39D5
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Outside the old walled city stands the Fortaleza de Nossa Senhora da Penha de França, commonly known as Forte da Ponta da Bandeira. The fortress was built at the end of the 17th century to defend Lagos. Access is via a drawbridge that spans a moat. As it was one of the last defensive points built in Lagos, it is now one of the most beautiful and best preserved. See: https://www.visitportugal.com/de/NR/exeres/C411AAEA-06C3-48DE-AF94-F497E49D39D5
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The Fort of São João do Arade, sometimes referred to as the Castle of Arade, is a medieval fortress in the parish of Ferragudo in the Portuguese Algarve municipality of Lagoa. It is privately owned.
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Praia da Angrinha is located at the wide mouth of the Arade River, south of Ferragudo, in the municipality of Lagoa, Portugal.
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Originally it served to defend the Arade River. Although it is classified as a monument of public interest, it is privately owned and is not allowed to be entered.
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While traditional medieval castles are not directly within the village, the area is rich in history. You can explore significant ancient structures like the Megalithic Monuments of Alcalar, a prehistoric necropolis dating back to the third millennium BCE. The wider Portimão municipality also features several historical forts and castles that once protected the coast and controlled trade routes.
Yes, the most prominent prehistoric site is the Megalithic Monuments of Alcalar. This site is a group of burial tombs forming a Calcolithic necropolis, showcasing advanced knowledge of stone building and providing insights into the region's ancient communities. An interpretation center at the site offers context on its historical significance.
Beyond the prehistoric sites, you can find several significant fortifications. These include São João do Arade Castle in Ferragudo, which dates back to the early 17th century, and the Governors' Castle of Lagos, a 17th-century structure housing unique historical collections. The Fort Meia Praia also defended the Bay of Lagos in the 17th and 18th centuries.
The São João do Arade Castle is a picturesque fort situated on a rocky outcrop in Ferragudo. While it's a striking landmark and offers great views, it is privately owned and not open to the public for interior visits. You can admire it from the outside and walk around its perimeter along the shoreline.
The Ponta da Bandeira Fort in Lagos is generally considered family-friendly, featuring a chapel dedicated to St. Barbara. However, please note that this fort is currently closed indefinitely. The Megalithic Monuments of Alcalar, with its interpretation center, can also be an educational visit for families interested in prehistory.
The region around Mexilhoeira Grande offers various outdoor activities. You can find numerous road cycling routes, such as the 'Stork Nest in Cork Oak Tree – Manel's Tavern loop' or the 'View of the Arade River – Roman Bridge of Silves loop'. For mountain hikes, consider routes like 'Monchique Town Center – Foia Summit loop'. Gravel biking options are also available, including the 'Scenic Climb Near Monchique – Green Hills loop'. Explore more routes on the Road Cycling Routes around Mexilhoeira Grande, Mountain Hikes around Mexilhoeira Grande, and Gravel biking around Mexilhoeira Grande guide pages.
Yes, several historical sites offer excellent viewpoints. São João do Arade Castle, perched on a rocky outcrop, provides scenic views of the Rio Arade River mouth. The Ponta da Bandeira Fort in Lagos also features a viewpoint, though it is currently closed.
Visitors appreciate the rich historical context, from the ancient Megalithic Monuments of Alcalar to the coastal defense forts. The picturesque settings of sites like São João do Arade Castle are also highly valued for their photographic opportunities and scenic beauty.
The Algarve region generally enjoys mild weather, making it suitable for visits throughout much of the year. Spring (April-May) and Autumn (September-October) offer pleasant temperatures for exploring outdoor sites without the peak summer heat. Always check specific opening hours for sites like the Megalithic Monuments of Alcalar's interpretation center.
Parking availability varies by site. For the Megalithic Monuments of Alcalar, there is usually designated parking for visitors. For urban forts like the Governors' Castle of Lagos, you would typically use public parking facilities within the town of Lagos. It's advisable to check local information for specific parking options at each destination.
Yes, the Ponta da Bandeira Fort in Lagos is currently closed indefinitely. It's always a good idea to check the latest status of any specific site before planning your visit.


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