Best castles around Ploubalay, a commune in the Côtes-d'Armor department of Brittany, France, offer a glimpse into the region's rich history. This area, now part of Beaussais-sur-Mer, features several châteaux, many of which are private residences. These historical sites showcase diverse architectural styles and historical significance. The region's heritage is reflected in these structures, providing insight into past centuries.
Last updated: June 23, 2026
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The Fort à la Reine is a historic bastion of the city walls of Saint-Malo, originally built in the 17th century by order of Vauban and later heightened in the 18th century. Located at the northwestern tip of the city, near the Tour Bidouane and the Plage de Bon-Secours, it provided strategic defense across the bay. Today, it is freely accessible, part of the city wall circuit, and offers panoramic views.
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The Bidouane Tower is a historic gunpowder tower at the northwestern tip of the city walls, built in the 15th century for the defense of the city. In 1693, an attack by Anglo-Dutch forces on the tower failed when a ship loaded with explosives ran aground prematurely. In 1889, the tower lost its military function and today serves as a lookout point with panoramic views of the Bay of Saint-Malo, the islands of Grand Bé and Petit Bé, and the coast as far as Cap Fréhel.
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The Fort à la Reine in Saint-Malo is a historic bastion that forms part of the city's fortifications. It was originally built in 1694 as the "Bastion du Cheval-Blanc" after an Anglo-Dutch attack on Saint-Malo. The famous military engineer Vauban ordered its construction to better protect the city against enemy attacks.
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The Château de Saint-Malo is a historic castle in the city of Saint-Malo, Brittany. Located in the old town of Saint-Malo (Intra-Muros), close to the city beach and the city walls. Built in the 15th century by the Dukes of Brittany, particularly under Duke Jean V, it originally served to control the city of Saint-Malo, which was known for its strong sense of independence.
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Today, a "national fort". This enclosure is private but regularly open to visitors.
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It is hard to believe that people were able to build such buildings in such unusual places before
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Nice view to eat
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The château was built between the 15th and 18th centuries by the Dukes of Brittany to secure their control over the city. It has been classified as a Monument Historique since July 1886.
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The Ploubalay area, now part of Beaussais-sur-Mer, features a diverse range of historical structures. You'll find elegant neo-classical châteaux like the Château de la Crochais, distinctive malouinière-style estates such as the Château de la Ravillais and Château de la Mallerie, and the dramatic medieval ruins of Guildo Castle.
Many of the châteaux directly within Ploubalay, such as Château de la Crochais, Château de la Ravillais, and Château de la Mallerie, are private residences. While you can often admire their architecture from the exterior, they are not typically open for public tours. However, the ruins of Guildo Castle, located nearby, are generally accessible for exploration.
The castles around Ploubalay offer a rich glimpse into Brittany's past. Structures like the Château de la Crochais showcase neo-classical architecture from the 15th-18th centuries, while the malouinières (Château de la Ravillais, Château de la Mallerie) reflect the wealth of Saint-Malo shipowners. Guildo Castle holds medieval significance, once belonging to Prince Gilles of Brittany and serving as a strategic defensive position.
The ruins of Guildo Castle stand majestically above the Arguenon estuary, offering a captivating glimpse into medieval Brittany. You can explore the remnants of this strategic stronghold, which has a dramatic history involving Prince Gilles de Brittany. Its location provides picturesque landscapes and a deep immersion in its historical context, making it ideal for history enthusiasts and those who appreciate scenic views.
Yes, Saint-Malo Castle and Guildo Castle are both considered family-friendly highlights. Additionally, the Access to Port-Breton Park & Château in Dinard offers a 23-hectare park with playgrounds, lakes, and an animal park, making it an excellent option for families.
The region around Ploubalay offers various outdoor activities. You can find numerous hiking and mountain biking trails. For instance, there are moderate hiking routes like the "Guildo Castle – View from Porte de Galet Ruins loop from Trégon" or MTB routes such as the "Guildo Castle – Castle chapel loop from Ploubalay." You can explore more options on the Hiking around Ploubalay or MTB Trails around Ploubalay guide pages.
Yes, there are hiking routes that incorporate Guildo Castle. For example, the "Guildo Castle – View from Porte de Galet Ruins loop from Trégon" is a moderate 9.77 km hike. Another option is the "Pointe du Chevet – Guildo Castle loop from Saint-Jacut-de-la-Mer," an easy 14.04 km route. You can find more details on the Hiking around Ploubalay guide.
The best time to visit the castles and explore the region around Ploubalay is generally during the spring (April-June) and early autumn (September-October). The weather is typically mild and pleasant for outdoor activities and sightseeing, avoiding the peak summer crowds and heat, or the colder, wetter winter months.
While specific rules vary, outdoor areas like the ruins of Guildo Castle are often dog-friendly, especially if dogs are kept on a leash. For private châteaux, dogs are generally not permitted on the grounds. It's always advisable to check specific site regulations before your visit.
Many castles in the region offer excellent viewpoints. From Queen's Fort, you can admire the Sillon beach, Fort National, and the island of Cézembre. Bidouane Tower provides beautiful views of the two Be islands, and Guildo Castle offers scenic vistas over the Arguenon estuary.
Beyond the more prominent sites, the private châteaux within Ploubalay itself, such as the Château de la Crochais, Château de la Ravillais, and Château de la Mallerie, can be considered hidden gems for their unique architectural styles. While not publicly accessible for interior visits, their external views offer a fascinating glimpse into the region's historical estates and malouinière design.


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