Best attractions and places to see around Mellionnec include a rich tapestry of historical landmarks, cultural sites, and picturesque natural features within Brittany's Kreiz Breizh region. This area is known for its preserved heritage and authentic rural charm, offering an idyllic setting for exploration. Visitors can discover ancient structures, serene chapels, and significant engineering feats along the Nantes to Brest Canal. The landscape is characterized by hilly terrain, Breton bocage, and wetlands, providing diverse outdoor experiences.
Last updated: May 9, 2026
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This is one of the very few straight sections of the canal.
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Here the canal meanders through the landscape.
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A welcome breath of fresh air
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View of the old Cistercian abbey from the 12th century.
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A very beautiful and very touristy place near the old monastery.
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At an altitude of 184 m, the Glomel trench is the highest point of the Nantes-Brest canal and the watershed between the Blavet and Aulne basins. The canal project and its passage through the center of Brittany dates back to Vauban, the decision and the route to Napoleon. The impressive trench allows the Aulne and Blavet watersheds to communicate via the canal. The Grande Trenche of the Canal from Nantes to Brest was dug in the 19th century by deserters from the army of Louis XVIII. The 4000 convicts of Glomel had to move as much earth and rock as was necessary for the construction of a great pyramid in Egypt. It took 9 years to create this trench, more than 3 kilometers long, 100 meters wide and 23 meters deep.
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Mellionnec is rich in history. You can discover the 17th-century Château de Trégarantec (though its chapel and gardens are sometimes open during special events), the Manoir du Poul from 1613, and the 17th-century Église Saint-Jean Baptiste in the village center. Don't miss the ancient Pont Romain de Hacadour, a Roman bridge dating from the 1st or 2nd century.
Yes, Mellionnec features several beautiful religious sites. The 16th-century Chapelle Notre Dame de Pitié, with its accompanying fountain, is located by the Nantes to Brest Canal. Another is the 17th-century Chapelle Saint Auny, nestled near the sources of the Scorff river. The commune is also part of the 'Ronde des Calvaires,' featuring historical calvaries at locations like Croas Hinchou, Saint-Auny, and Bodealen.
The Nantes to Brest Canal is a prominent feature, traversing the northern part of Mellionnec. It's known for engineering marvels like The Glomel Cut, the canal's highest point, which was carved out by forced labor in the 19th century. You can also see picturesque sections near Coat-Natous with a double lock and lock keeper's house, and Lock No. 138 of Bon Repos, shaped like a medieval bridge.
The Bon-Repos Abbey, built in 1184, is a significant historical site near Mellionnec. Half of the old abbey has been restored, while other wings are stabilized in their state of decay. It's located close to the Nantes to Brest Canal, and visitors often enjoy its historical atmosphere.
The area around Mellionnec is characterized by its stunning natural beauty. You can explore the tranquil Sources of the Scorff River in a hilly and wetlands area between Saint-Auny and Minégu, which serves as a refuge for preserved nature. The landscape also features hilly terrain, Breton bocage, and numerous wetlands, supporting rich biodiversity, including the European otter.
Yes, Mellionnec is an excellent destination for cycling. The Vélodyssée greenway runs alongside the Nantes to Brest Canal, offering scenic routes. You can find various cycling routes around the area, including options like the 'Mellionnec Bike Trail' or longer loops connecting to highlights like Lock No. 138 of Bon Repos. For more cycling routes, check out the Cycling around Mellionnec guide.
Mellionnec offers numerous hiking opportunities with trails winding through charming sunken lanes and scenic countryside. You can explore areas around the Nantes to Brest Canal or the wetlands near the Scorff River sources. For specific routes and their difficulty, refer to the Running Trails around Mellionnec guide, which includes routes like the 'Lock No. 138 of Bon Repos – Bon Repos Lock No. 138 loop'.
Many attractions around Mellionnec are suitable for families. Exploring the Nantes to Brest Canal, including sites like Lock No. 138 of Bon Repos and Great Trench of the Nantes to Brest Canal, offers engaging historical and natural experiences. Cycling along the Vélodyssée is also a popular family activity. The village center itself provides a lively atmosphere with a bookstore and cafe.
The region's natural beauty, characterized by its hilly terrain and wetlands, is enjoyable throughout much of the year. Spring and summer are ideal for cycling along the Vélodyssée and exploring hiking trails when the weather is mild. Autumn also offers beautiful scenery with changing foliage. Winter activities might be limited, but the historical sites remain accessible.
Mellionnec has a dynamic cultural life. It hosts events such as a documentary film festival and the biennial 'Kizellan, un bourg à sculpter' exhibition, which showcases art within the village. These events contribute to the commune's vibrant local atmosphere.
Visitors frequently appreciate the blend of historical significance and natural beauty. The engineering marvel of The Glomel Cut and the picturesque setting of Lock No. 138 of Bon Repos are often highlighted. The serene atmosphere of Bon-Repos Abbey and the opportunities for cycling and hiking along the canal are also popular among the komoot community.


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