Best natural monuments around Maffliers are found within the Oise-Pays de France Regional Natural Park and on the edge of the L'Isle-Adam forest. This region features a mosaic of forests, agricultural lands, and wetlands, providing diverse habitats. Visitors can explore numerous trails for outdoor activities, immersing themselves in tranquil natural landscapes. The area offers a refreshing escape with its well-preserved natural beauty and ecological richness.
Last updated: May 7, 2026
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Very nice trail running outing in the forest 🌳
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The fountain is on a small bend, be careful because it is quickly invaded by plants
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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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pretty lake hidden in the middle of the forest
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High place of pilgrimage (in the region anyway) between the 15th and 18th centuries. The water from this fountain was said to have the power to cure various skin diseases (scabies for example). This pilgrimage ceased shortly before the French Revolution.
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This funerary megalith dates back to the beginning of the Neolithic period! It is the largest and most famous of all the covered alleys in the Paris region, which has become the archetype of burials associated with the Seine-Oise-Marne culture. All the slabs are in Fontainebleau sandstone, several outcrops of which are visible on the hillside.
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in a beautiful forest we arrive there with a magnificent sun which warms up a little
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This bucolic path runs along the Stors marsh nature reserve. The ground quickly becomes muddy in bad weather and the days following the rain. That said, the setting is beautiful along the rock faces. For the rest, it's a fairly easy single.
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Maffliers is nestled within the Oise-Pays de France Regional Natural Park and borders the L'Isle-Adam state forest. You can expect a rich mosaic of preserved natural settings, including expansive forests, wetlands, and picturesque rural landscapes. The area offers diverse habitats and a tranquil environment perfect for reconnecting with nature.
Among the unique natural monuments, you can explore the Blue Lake of Carnelle, known for its striking deep blue color due to gypsum and marl at its bottom. Another fascinating site is the Pierre de Lait Polishing Stone, an archaeological site where a sandstone block served as a polisher in the Neolithic period, leaving ancient traces engraved in the rock.
Yes, Maffliers and its surroundings feature several historical natural sites. Besides the Pierre de Lait Polishing Stone from the Neolithic era, you can visit the Saint Radegonde Fountain in the Montmorency forest, which was historically a pilgrimage site believed to have healing waters. There's also a Covered alley, a funerary megalith dating back to the beginning of the Neolithic period.
The region around Maffliers is ideal for various outdoor activities. You can find numerous trails for hiking, cycling, and running. For detailed routes and options, explore the dedicated guides for Hiking around Maffliers, Cycling around Maffliers, and Running Trails around Maffliers.
Absolutely! The Blue Lake of Carnelle is a family-friendly spot within the Carnelle forest, perfect for a leisurely visit. Additionally, the Covered alley, a significant historical megalith, is also considered family-friendly. Many of the trails through the Oise-Pays de France Regional Natural Park and L'Isle-Adam forest are suitable for families.
The Singletrack along the Marais de Stors is a beautiful, bucolic path that runs along the Stors marsh nature reserve. It's known for its rich flora and fauna and offers a scenic setting along rock faces. Be aware that the ground can become muddy in bad weather or after rain.
The natural monuments around Maffliers can be enjoyed throughout the year, but spring and autumn offer particularly pleasant conditions for exploring. During these seasons, the weather is generally mild, and the changing foliage provides beautiful scenery. Summer is also great for longer days, while winter offers a serene, quiet experience, though some trails might be muddy.
Yes, there are several easy hiking options. For instance, the 'Joseph Wresinski Center – Totem loop from Montsoult' is an easy 7.4 km hike. Another easy option is 'Le Petit Étang de Carnelle – The Blue Lake of Carnelle loop from Forêt de Carnelle', which is about 5.7 km. You can find more easy routes in the Hiking around Maffliers guide.
Generally, dogs are welcome on many trails within the Oise-Pays de France Regional Natural Park and L'Isle-Adam state forest, often on a leash. However, specific rules may apply to certain protected natural reserves or sensitive areas like the Marais de Stors. It's always best to check local signage or park regulations for each specific site you plan to visit with your dog.
While specific named viewpoints are not highlighted, the Blue Lake of Carnelle offers a picturesque setting with its vibrant water color and surrounding oaks, beeches, and chestnuts. The extensive network of trails through the L'Isle-Adam state forest and the Regional Natural Park also provides numerous opportunities for scenic views of the French countryside and natural landscapes.
The Oise-Pays de France Regional Natural Park and L'Isle-Adam state forest are rich in biodiversity. You can observe various local flora, including oaks, beeches, and chestnuts, especially around the Blue Lake of Carnelle. The Marais de Stors nature reserve is particularly noted for its rich flora and fauna, offering a chance to spot wetland species. The Domaine de Maffliers also hosts over 50 beehives, supporting local ecosystems.


Extend your search for the best caves by checking out these guides of the top ones around Maffliers: