Best attractions and places to see around Saint-Séglin, a commune in Ille-et-Vilaine, France, offer insights into local heritage and history. The area is characterized by its rural setting, providing a tranquil environment typical of the Breton countryside. Visitors can explore various points of interest, including ancient megalithic sites and historical landmarks that reflect the commune's past.
Last updated: May 20, 2026
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The cairn known as "ChâteauBû" in Saint-Just is an ancient megalithic site comprising a passage grave and a 46-meter-long stone tumulus. Excavations have revealed Bronze Age burials, and four quartz menhirs stand atop the tumulus.
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Access to the greenway which connects Guipry Messac to Ploermel
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Very nice hike. Please note, the indicated parking lot no longer exists, you must park near the football stadium
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The covered alley of Tréal or also called Grotte aux fées according to a legend is an isolated burial site, located at the top of a hill called "La butte de Tréal" or "the rock of Tréal".
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About 5000 years old row of stones with good explanation.
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The Etang de Val is also known as the Etang de Saint Just. At one end of the pond is a dam where two mills used the energy it provided. The view from here is breathtaking.
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The pottery found dates this tomb to around 2500 and 3500 BC. This tomb with a side entrance, more than 15 meters long, was very degraded. It is 15 meters long and is a real spectacle.
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The area around Saint-Séglin is rich in ancient megalithic sites. You can visit the Alignments du Moulin, which are 5000-year-old stone rows. Another significant site is Cairn this Château Bû, an ancient passage grave with a 46-meter-long stone tumulus and quartz menhirs. Don't miss The Fairy Cave of Tréal, an isolated burial site dating back to around 2500-3500 BC, offering impressive megaliths and a superb view.
Within Saint-Séglin, you can discover several sites reflecting local heritage. These include the historic Cemetery Cross, the 17th-century portal and dovecote that are remains of the former Château de La Sauvagère, and the historic parish church, which has a notable history of community significance. There is also a War Memorial commemorating local residents.
For natural beauty, consider visiting Étang du Val (Étang de Saint Just). This lake features a dam where two mills once operated, offering breathtaking views. The commune's rural setting in Ille-et-Vilaine also provides a tranquil environment characteristic of the Breton countryside for general exploration.
Saint-Séglin is an excellent base for various outdoor activities. You can find numerous routes for hiking, cycling, and gravel biking. For detailed hiking trails, explore the Hiking around Saint-Séglin guide. Cyclists can find routes in the Cycling around Saint-Séglin guide, and gravel biking enthusiasts can check the Gravel biking around Saint-Séglin guide.
Yes, several attractions are suitable for families. The ancient Alignments du Moulin, with their impressive stone rows, are considered family-friendly. Additionally, Étang du Val (Étang de Saint Just) is a great spot for families to enjoy nature and scenic views.
Visitors frequently highlight the historical significance and impressive scale of the megalithic sites. For instance, the Alignments du Moulin are appreciated for their age and the good explanations provided. The Fairy Cave of Tréal is praised for its impressive megaliths and superb views of the countryside, often noted for not being too crowded.
When visiting the Alignments du Moulin, please note that the indicated parking lot may no longer exist. Visitors are advised to park near the local football stadium.
Yes, the Messac - Guer greenway follows the old railway line, and along this route, you can find disused stations, including the Former Maure-de-Bretagne railway station. This greenway provides access to a network of paths connecting various towns.
Given the focus on outdoor activities like hiking, cycling, and exploring historical sites, the spring, summer, and early autumn months generally offer the most pleasant weather for visiting Saint-Séglin and enjoying the Breton countryside.
Beyond the prominent megalithic sites, the history of Saint-Séglin includes mentions of disappeared mills, such as 'Le moulin de la Lande,' which are part of the commune's industrial heritage. While no longer standing, these add to the rich historical tapestry of the area.
Saint-Séglin has a long and deep history, with traditions suggesting its foundation by a 7th-century Scottish priest named Siginus or Séglin. Early mentions of the parish date back to 843 and 1032, indicating its enduring presence and historical roots in the region.


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