Attractions and places to see around Billio, located in the Morbihan department of Brittany, France, offer a mix of historical sites and natural landscapes. The area features prominent castles situated along river valleys and within forested regions. Visitors can explore a variety of cultural and historical points of interest, reflecting the region's rich heritage.
Last updated: July 2, 2026
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Very beautiful castle on the canalized Oust
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Beautiful picturesque town with a spectacular castle and old half-timbered houses
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It looks beautiful when you come along the bike path along the canal.
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From this point, you have a superb view of the Josselin castle. There are opportunities for free and guided tours. The annual closure is from November 1 to April 8. The Castle dates from the beginning of the 11th century, when the nearby Viscount of Porhoët had a palisade built on this rocky promontory overlooking the Oust valley. In 1370, Olivier de Clisson, constable of France, had the fortress built.
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The Château de Josselin is a two-faced building whose architectural details tell a thousand-year-old story. Standing on a rocky outcrop, it overlooks the Oust valley. On the river side, an austere facade evokes the feudal struggles of the Middle Ages. On the courtyard side, a more refined sculpted granite facade offers a particularly well-preserved example of Breton architecture from the end of the 15th century and the beginning of the 16th century.
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Gite belonging to the town hall but is no longer open this year. No stop possible for the night.
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The area around Billio is rich in history, particularly with its castles. You can explore the impressive Josselin Castle, a symbol of the region owned by the Rohan family, which offers a glimpse into a thousand-year-old story with its feudal and refined architectural details. Another notable historical site is the Château de Josselin seen from the Sainte-Croix bridge, which was erected in the 11th century and modernized over time. Additionally, the Josselin Washhouse, a 19th-century structure at the foot of the castle, provides insight into local heritage.
Yes, several attractions around Billio are suitable for families. Both Château de Josselin seen from the Sainte-Croix bridge and Josselin Castle are considered family-friendly, with the former offering free and guided tours and a museum of dolls and toys. The Château de Trédion, a manor surrounded by a large forest and a park with an artificial river and pond, also welcomes families.
While Billio is known for its historical sites, you can find natural beauty, especially around the castles. The Château de Trédion is set within a large forested area and features a park with an artificial river, waterfall, and pond. The imposing towers of Josselin Castle are reflected in the River Oust, offering picturesque views.
The region around Billio offers various outdoor activities. You can find numerous routes for gravel biking, mountain biking, and hiking. For gravel biking, explore options like the 'The Lizio carousel – Green Valley loop' or the 'Château de Trédion – Allée du Pont-du-Guern loop'. Hikers can enjoy trails such as the 'Bouétard Cross – Bernard Hinault Statue loop' or the 'Rue du Sabotier cross – War Memorial of Billio loop'. Mountain biking enthusiasts have routes like the 'Green Valley loop from Cruguel' or the 'Côte de Cadoudal loop from Plumelec'. You can find more details on these activities and routes in the dedicated guides for Gravel biking around Billio, Hiking around Billio, and MTB Trails around Billio.
For a superb view of Josselin Castle, head to the Château de Josselin seen from the Sainte-Croix bridge. This specific viewpoint offers an excellent perspective of the castle, which was originally erected in the 11th century.
Josselin Castle is a significant historical landmark, owned by the Rohan family, one of Brittany's oldest families. Its imposing towers reflect in the River Oust, making it a symbol of the picturesque town of Josselin. The castle's architecture tells a thousand-year-old story, with an austere facade facing the river and a more refined granite facade on the courtyard side, showcasing Breton architecture from the late 15th and early 16th centuries.
Yes, Josselin Castle can be visited and also houses a museum of dolls and toys. Both free and guided tours are available, offering a deeper insight into its history and architecture. Please note that the castle typically closes annually from November 1 to April 8.
The Lock-keeper's house provides a lodge, a bicycle repair area, and a tap to refill your water bottles, located at the back of the building. It's a convenient stop for those exploring the area by bike or on foot.
The Château de Trédion is more accurately described as a manor that once belonged to the Duchy of Brittany. It is surrounded by a large forest, historically used for hunting by the Dukes of Brittany. Its park features an irregular path, an artificial river, a waterfall, a basin, a pond, a vegetable garden, and an orchard, all registered in the pre-inventory of remarkable gardens. Today, this private domain can be reserved for events like weddings or Breton dances.
Yes, the Josselin Washhouse is a unique historical structure. This covered, simple, and functional wash house, set up at the end of the 19th century, is located at the foot of Josselin Castle and at the confluence of the Saint-Nicolas stream and the canal. It represents a piece of local heritage from a time when such public facilities were common.
Around Billio, you can find various cycling routes catering to different preferences. There are dedicated guides for both gravel biking and mountain biking. For gravel biking, you might enjoy routes like 'The Lizio carousel – Green Valley loop' or the 'Château de Trédion – Allée du Pont-du-Guern loop'. Mountain bikers can explore trails such as the 'Green Valley loop from Cruguel' or the 'Côte de Cadoudal loop from Plumelec'. More details are available in the Gravel biking around Billio and MTB Trails around Billio guides.
Visitors particularly enjoy the blend of historical grandeur and scenic beauty. The superb views of Josselin Castle from the Sainte-Croix bridge are highly appreciated, as is strolling through the charming streets of Josselin, a 'petite cité de caractère' with its spectacular castle and old half-timbered houses. The architectural details and the rich history of Josselin Castle itself are also a major draw.


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