Best attractions and places to see around Tréon, a commune in the Eure-et-Loir department of France, offers a blend of historical sites, unique constructions, and natural beauty. Situated along the Blaise River, the area is characterized by its peaceful atmosphere and green landscapes. Visitors can explore a variety of landmarks and natural features within the village and its immediate surroundings. The region provides opportunities to discover both historical heritage and natural environments.
Last updated: July 20, 2026
Highlight • Historical Site
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Highlight • Religious Site
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Highlight • Monument
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Highlight • Lake
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large bird reserve and nautical activities
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Every year, during the Heritage Days, the association "Au Cœur de Nos Villages" opens the doors of the Saint-Pierre church. A building from the 12th and 15th centuries, listed as a historical monument, whose bell tower, clock, and five renovated altarpieces, including Saint Michael slaying the dragon, are to be discovered. For the benefit of the Restos du Cœur Walkers will also be able to get to know the Atelier Arc-en-ciel (plastic arts) which exhibits the works of the adult group. Paintings, in red chalk, white pencil, sepia, etc., representing views of the church, statues, etc., will be put on sale for the benefit of the association Au Cœur de Nos Villages.
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Its construction undoubtedly dates back to the Romanesque period but as it appears today it presents the characteristics of the Gothic style flamboyant period in which it was rebuilt after the destruction caused by the 100 Years' War. The date of March 23, 1511 inscribed on the entrance which surmounts the entrance to the choir gives a valuable clue to the period of its renovation. Another testimony is the coat of arms of Charles d’Ô Seigneur de Blévy and partly by Louise Gentil married in 1507 appearing on a stained glass window in the choir. The style of the tower porch, slopes of the gable of the nave and tracery of the windows clearly shows that we are in the presence of a building constructed in the first quarter of the 16th century at the twilight of the flamboyant Gothic style.
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The Pays Drouais Nautical Center is a nautical base located on the Mézières-Ecluzelles stretch of water. You can practice sailing, canoeing, mountain biking or even motorboating. The base offers walks, rentals, and training for all these disciplines and also issues certain boat licenses. More info here: https://www.centrenautiquedupaysdrouais.fr/
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The Château d'Escorpain is a 16th century castle which belonged to the famous Firmin-Didot family of printers and publishers. You can admire the elegant facade and the imposing portal of the castle, classified as historical monuments. You can also discover the surrounding countryside, crossed by the Pluche, a tributary of the Avre. You will appreciate the green landscapes and the peaceful atmosphere of this rural village.
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a pretty dungeon in a modern style...
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Buying this castle dating originally from the 15th century, Alfred Firmin-Didot, owner of the printing press at Mesnil-sur-l'Estrée, not far from here, undertook the restoration of the building in 1879. In particular, he had the sheepfold transformed into a library. which hosts the works published at the family printing house. His descendants remained the owners of this estate, which they bring back to life through various activities.
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The region around Tréon offers several natural highlights. The most prominent is Mézières-Écluzelles Lake, an artificial lake with a 5 km trail and marshes rich in diverse fauna, particularly birds. The commune is also historically situated along the Blaise River, and a local waterfall is noted as a natural feature. The La Pluche River, an affluent of the Avre, contributes to the verdant landscapes, especially near Escorpain Castle.
Yes, Tréon and its surroundings are rich in history. You can visit Escorpain Castle, a 16th-century historical monument known for its elegant facade. Further afield, the Royal Chapel of Saint-Louis of Dreux is a significant historical and religious site, serving as the necropolis for the Orléans family. The area also has historical mills, such as Le moulin de Tréon, Le moulin de Foulon, and Le moulin de Fortisle, which hint at the region's past.
Absolutely! One of the most unique attractions is The Donjon of Gilles. This unconventional 'dungeon' was constructed over 50 years by a local resident using modern materials, creating a distinctive and surprising sight in the landscape.
The peaceful atmosphere and green landscapes around Tréon are ideal for outdoor activities. You can enjoy hiking, road cycling, and running. For specific routes, explore options like the easy "Mézières-Ecluzelles Lake Trail" for hiking, or the "Escorpain Castle – View of Château d’Escorpain loop from Vernouillet" for road cycling. You can find more details and routes in the dedicated guides for Hiking around Tréon, Road Cycling Routes around Tréon, and Running Trails around Tréon.
Yes, Centre Nautique du Pays Drouais – Mézières-Écluzelles Lake is an excellent family-friendly destination. Here, you can engage in various nautical activities like sailing, canoeing, and mountain biking. The lake also offers a 5 km trail perfect for walking or cycling, and its marshes are great for birdwatching, providing a relaxing natural environment for all ages.
Escorpain Castle is a 16th-century edifice, classified as a historical monument. It was once owned by the renowned Firmin-Didot family of printers and publishers. In 1879, Alfred Firmin-Didot undertook its restoration, transforming a sheepfold into a library to house works from the family printing house. The castle is notable for its elegant facade and imposing portal, set amidst the green landscapes crossed by the La Pluche river.
The area around Mézières-Écluzelles Lake is particularly good for wildlife spotting. The lake's marshes are rich in diverse fauna, especially birds, making it an ideal spot for nature observation. The generally green and peaceful countryside also supports various local wildlife.
Tréon and its surrounding countryside are noted for their peaceful atmosphere and green landscapes, making the area suitable for outdoor activities. Generally, spring, summer, and early autumn offer the most pleasant weather for exploring historical sites, enjoying the natural features, and engaging in hiking or cycling. These seasons provide comfortable temperatures and lush scenery.
Yes, for a relaxed outing, the trail around Mézières-Écluzelles Lake is an excellent choice. It's an easy 5 km path that allows you to circle the lake and explore its natural beauty. Additionally, several easy hiking routes are available, such as the "Mézières-Ecluzelles Lake Trail" mentioned in the Hiking around Tréon guide.
Visitors particularly appreciate the blend of historical sites, unique constructions, and natural beauty. The peaceful atmosphere and green landscapes are frequently highlighted, offering a serene escape. The distinctive character of The Donjon of Gilles and the natural tranquility of Mézières-Écluzelles Lake are often mentioned as memorable experiences.
Yes, the Royal Chapel of Saint-Louis of Dreux offers a panoramic view of the town of Dreux from its ramparts. While Tréon itself is more about intimate landscapes, this nearby location provides a broader scenic perspective.


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