Best attractions and places to see around Neuilly-En-Thelle include a mix of historical sites and natural landscapes in the Oise department of Hauts-de-France. This commune offers a tranquil atmosphere, with its history tracing back to Roman times. The surrounding region features significant natural spaces, including several forests and the Oise Regional Natural Park. Visitors can explore both cultural landmarks and diverse natural habitats.
Last updated: May 9, 2026
Highlight • Historical Site
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Highlight • Forest
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A place to recharge your batteries
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What is to be remembered from this route is the passage through the Carnelle forest. However, there are too many roads on the Isle Adam and along the Oise. No particular difficulty.
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Very beautiful abbey. I recommend the tour and the restaurant which is incredible.
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pretty lake hidden in the middle of the forest
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There are places to park bicycles in the car park.
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entrance fee unfortunately. Wikipedia summary: Royaumont Abbey is a former Cistercian monastery located in the hamlet of Baillon in Asnières-sur-Oise in the Val-d'Oise, about thirty kilometers north of Paris. It was built between 1228 and 1235 under the aegis of Saint Louis, and was then one of the most important abbeys in France. It remains a Cistercian abbey until the French Revolution, it is sold as national property and becomes a textile industrial site. It regained its religious vocation in 1864, until the Combes laws in 1905. The abbey was then bought by Jules Goüin, and his grandson Henry, an industrialist and music lover, opened its doors to artists, organized concerts there and makes a place of musical and cultural creation. He gave it to the Royaumont Foundation, which he created in 1964, the first private foundation for cultural purposes, which has since managed the site. The building has been listed as a historical monument since 1927 for its remains, and 1948 for the buildings of the abbey and the park.
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Superb Abbey which can be visited (10 euro entry), large park for picnics, classical music concerts (for those who like) on Sundays around 3.30 p.m. https://www.royaumont.com/
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The area boasts several significant historical sites. You can visit Royaumont Abbey, a beautiful place steeped in history with an entrance fee. Within Neuilly-En-Thelle itself, the 16th-century Manoir du Corps de Garde, built on the remnants of a fortified castle, features a 13th-century crypt and a guard room. The Église Saint-Denis, a parish church classified as a historical monument, is also notable for its 16th-century Renaissance choir and Gothic stained-glass window. You can find more information about the church on Wikipedia.
Yes, the region is rich in natural beauty. The Chemin de la Petite Plaine, located on the banks of the Oise, is an interesting natural space with diverse habitats for plants and birds. You can also explore the nearby Forêt de Hez-Froidmont, Forêt de Chantilly, Forêt d'Halatte, and Forêt d'Ermenonville. The Oise Regional Natural Park, a vital 'green lung' north of Paris, offers majestic forests, ponds, and valleys for exploration.
The area around Neuilly-En-Thelle is excellent for various outdoor activities. You can find numerous routes for road cycling, running, and general cycling. For example, there are road cycling routes like the 'Précy Castle – Château de Boran-sur-Oise loop' and running trails such as the 'Bois Viville loop'. For more options, check out the guides for Road Cycling Routes, Running Trails, and Cycling around Neuilly-En-Thelle.
Absolutely. Royaumont Abbey is considered family-friendly, offering an engaging historical experience. The natural areas are also great for families; for instance, The Blue Lake of Carnelle and Le Petit Étang de Carnelle in the Carnelle forest are peaceful spots ideal for walks and observing nature.
Beyond the main attractions, you can discover the Pierre de Lait Polishing Stone, a Neolithic sandstone block that served as a tool sharpener 4500 years ago. This site offers a unique glimpse into ancient human activity within a beautiful forest setting. The Manoir du Corps de Garde in Neuilly-En-Thelle, with its 13th-century crypt, also provides a fascinating, less-traveled historical experience.
The Carnelle forest is home to two notable bodies of water. The Blue Lake of Carnelle gets its name from the gypsum and marl rock at its bottom, which gives it a deep blue hue on sunny days. It's surrounded by oaks, beeches, and chestnut trees. Le Petit Étang de Carnelle is an artificial lake, 1.3 hectares in size and up to 20 meters deep, created in old marl quarries. It's a tranquil spot for running a loop or watching fishermen.
The Oise Regional Natural Park is a significant natural space located near Neuilly-En-Thelle. It's often referred to as a 'green lung' north of Paris, characterized by its majestic forests, numerous ponds, and valleys. It offers extensive opportunities for hiking, cycling, and observing local wildlife, making it a key regional attraction for nature lovers.
Visitors particularly enjoy the blend of history and nature. For instance, Royaumont Abbey is praised for its historical depth and beauty. Natural spots like Chemin de la Petite Plaine are valued for their ecological diversity and birdwatching opportunities. The lakes in Carnelle forest, such as Le Petit Étang de Carnelle, are appreciated for their peaceful atmosphere and scenic beauty, ideal for relaxation and gentle exercise.
The best time to visit Neuilly-En-Thelle for outdoor activities is generally during the spring, summer, and early autumn months (April to October). During these periods, the weather is typically mild and pleasant, ideal for exploring historical sites, walking in the forests, cycling, and enjoying the lakes. The natural landscapes are at their most vibrant, offering beautiful scenery for all activities.
While Neuilly-En-Thelle itself is known for its tranquil ambiance, several nearby towns host vibrant local markets. You can find markets in Chambly (Wednesdays & Saturdays), Persan (Wednesdays & Sundays), Beaumont-sur-Oise (Tuesdays), and Chantilly (Wednesdays & Saturdays). These markets offer a great opportunity to experience local life and discover regional produce.
Neuilly-En-Thelle has a rich history dating back to Roman times, when the region was part of the 'Pagus Cambiasensus'. This long history is reflected in its ancient landmarks, such as the Église Saint-Denis which began construction after 1187, and the Manoir du Corps de Garde, which stands on the site of a much older fortified castle. The town offers a tranquil atmosphere that invites visitors to explore its historical roots.
Yes, Neuilly-En-Thelle and its surroundings are known for their peaceful atmosphere. The commune itself is ideal for leisurely strolls. Natural areas like Chemin de la Petite Plaine and the various forests provide serene environments. The lakes in the Carnelle forest, such as Le Petit Étang de Carnelle, are particularly noted as peaceful places for quiet observation and relaxation.


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