Best castles around Lagny-Le-Sec are found in the surrounding region, as the main castle within Lagny-Le-Sec was demolished. Historically, the area also housed a Templar commandery. The region offers a mix of historical sites and châteaux, providing insights into different architectural periods. These notable landmarks near Lagny-Le-Sec are situated within varied landscapes, including parks and river views.
Last updated: July 1, 2026
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This castle is a very pretty place full of charm which according to Wikipedia dates from the 18th century and whose origins date back to the year 987!!!!!
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Nice, yes, calm and peaceful... 4 km in line with the runway of CDG airport, the noise of planes taking off every 2 minutes at an altitude of a few hundred meters is infernal, even during breaks. How the locals manage 24/7 is beyond me...
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Perfect setting in Jean Jacques Rosseau Park to rest your feet while enjoying a picnic
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The former abbey Abbaye Royale de Chaalis was converted into a castle in the 18th century and served as the residence of the wealthy art collector and lover Nélie Jacquemart-André
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Please note, the path that passes between the ponds (writers' path) is subject to a fee and is reserved for visitors to the abbey. If you want to go by bike you will have to go around by road or buy a ticket.
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Choose the rose flowering period for a visit and to fully enjoy the rose garden
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While Lagny-Le-Sec's own castle was demolished, the surrounding region offers a variety of historical sites and châteaux. You can explore medieval fortresses transformed into châteaux, such as Château d'Ermenonville, as well as Renaissance-style castles like Nantouillet Castle, and historical sites with ruins, museums, and gardens like Chaalis Abbey.
Yes, several castles and historical sites near Lagny-Le-Sec are suitable for families. Château d'Ermenonville, Chaalis Abbey, Nantouillet Castle, and Château de Versigny are all categorized as family-friendly, offering diverse experiences from exploring ruins to enjoying scenic parks.
The best time to visit is generally during spring, summer, and early autumn when the weather is pleasant for exploring castle grounds and gardens. For example, the magnificent French garden at Château de Versigny is open to the public from June to September.
Absolutely. Château d'Ermenonville is a medieval fortress transformed in the 18th century, known for its pastoral park and connection to Jean-Jacques Rousseau. Chaalis Abbey boasts well-preserved frescoes by Francesco Primaticcio and a late 18th-century château. Nantouillet Castle is an imposing 16th-century Renaissance castle classified as a historical monument.
Yes, Château d'Ermenonville is nestled within a country-inspired park, offering picturesque views of the Launette river and the Jean-Jacques Rousseau Park. Chaalis Abbey also features extensive gardens, and Château de Versigny is surrounded by a magnificent French garden with a pond and vegetable garden.
The region around Lagny-Le-Sec offers various outdoor activities. You can explore nearby cycling routes, such as those found in the Cycling around Lagny-Le-Sec guide, or try gravel biking with routes like the 'Plessis-Belleville to Coye-la-Forêt – Tour de l'Oise gravel' from the Gravel biking around Lagny-Le-Sec guide. There are also running trails available, detailed in the Running Trails around Lagny-Le-Sec guide.
Yes, the areas surrounding these castles often feature walking paths. For instance, the park around Château d'Ermenonville is ideal for walks, and Chaalis Abbey has hiking trails plotted in its vicinity. You can also find various running and cycling routes that pass by or near these historical sites, as mentioned in the regional komoot guides.
Visitors appreciate the blend of historical architecture and natural beauty. Many enjoy the picturesque settings, such as the pastoral park at Château d'Ermenonville, and the well-preserved artistic elements like the frescoes at Chaalis Abbey. The opportunity to explore ruins and learn about different historical periods is also a highlight for many.
Some castles, like Château de Mortefontaine, are private residences and not directly open for visits. However, you can often admire their impressive architecture from the outside. For example, at Château de Versigny, while the castle itself isn't open for tours, its magnificent French-style park is accessible to the public during specific months.
While not a 'hidden gem' in the sense of being unknown, Nantouillet Castle, despite its degraded state, is an imposing 16th-century Renaissance castle classified as a historical monument, offering interesting ruins to explore. Château de Versigny, with its monumental architecture and accessible French garden, also provides a unique experience even if the castle interior is not open.
Parking availability varies by location. For popular sites like Château d'Ermenonville and Chaalis Abbey, there are typically designated parking areas for visitors. It's always advisable to check the specific venue's website for the most up-to-date information on parking facilities before your visit.


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