4.1
(233)
1,009
riders
12
rides
Mountain biking around Ermenonville offers varied terrain within the Oise department of France. The region is characterized by the expansive Forest of Ermenonville, known for its sandy soil and significant pine forests. Riders will encounter hilly terrain with a mix of ascents and descents, providing a distinct mountain biking experience. Natural features such as large granite boulders and sandstone blocks add to the diverse landscape.
Last updated: May 5, 2026
4.8
(37)
209
riders
41.7km
03:24
330m
330m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.4
(12)
38
riders
24.3km
02:08
310m
320m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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3.5
(13)
12
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The Château de Thiers-sur-Thève, now in ruins, is a former 13th-century fortified castle listed as a Historic Monument in 1862. Built as a hunting lodge for the bishops of Beauvais, it is distinguished by its large state room pierced with large windows, a rare example of medieval residential architecture in the Île-de-France region. Partially dismantled in the 15th century, its circular towers, moats, and Gothic remains can still be admired.
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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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Perfect setting in Jean Jacques Rosseau Park to rest your feet while enjoying a picnic
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pay attention to the passages in the middle of the ONF plots. Traffic is prohibited there.
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Ermenonville Castle is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where you can admire the view of the Launette and the Jean-Jacques Rousseau park.
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The Château d'Ermenonville is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where you can admire the view of the Launette and the Jean-Jacques Rousseau park. You can also enjoy the elegance of the restaurant and lounge, or rent a boat or bicycle to explore the surrounding area.
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Difficult to pass due to invasive vegetation.
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Mountain biking in Ermenonville is characterized by its unique sandy soil and extensive pine forests. You'll encounter hilly terrain with a mix of ascents and descents, offering a distinct riding experience. The sandy nature of the trails often provides good drainage, making them potentially rideable even after rain, though some sections might still be muddy.
The mountain bike trails around Ermenonville primarily feature moderate routes. While there are no trails specifically categorized as 'easy' or 'difficult' in our current selection, the moderate routes offer a good balance of challenge and accessibility for riders with some experience. Some segments may require good fitness and advanced riding skills due to the hilly terrain and sandy climbs.
Many routes in Ermenonville pass by significant historical and natural landmarks. You can explore sites like the Château d'Ermenonville and its surrounding park, or the ruins and gardens of Chaalis Abbey. Other routes might take you near Pontarmé Castle or offer views of the 'Witch Stone,' a unique sandstone formation with panoramic forest views.
Yes, many of the mountain bike routes in Ermenonville are designed as loops, allowing you to start and finish at the same point. For example, the Château d'Ermenonville – Handlebar width loop from Ermenonville and the Château d'Ermenonville – Château de Pontarmé loop from Ermenonville are popular circular options.
The mountain bike trails in Ermenonville are highly rated by the komoot community, with an average score of 4.2 stars from over 200 reviews. Riders often praise the varied forest landscape, the unique sandy sections, and the opportunity to combine cycling with visits to historical sites and natural attractions.
While the Forest of Ermenonville is generally accessible, specific regulations regarding dogs on mountain bike trails can vary. It's always recommended to keep dogs on a leash, especially in natural parks and protected areas, to ensure their safety and respect local wildlife. Check local signage for any specific restrictions.
The trails in Ermenonville are predominantly moderate in difficulty, which may be challenging for very young children or inexperienced family members. However, the diverse landscapes of the Parc Jean-Jacques Rousseau and the general forest paths offer scenic rides. For families, consider shorter sections or areas with less elevation gain, keeping in mind the sandy terrain.
Ermenonville's sandy soil provides good drainage, making the trails potentially rideable even after rain. Spring and autumn offer pleasant temperatures and beautiful scenery with varying colors in the forests. Summer can be warm, but the shade of the pine forests provides some relief. Winter riding is possible, but be prepared for colder temperatures and potentially muddier conditions in some areas.
Ermenonville and its surrounding villages like Fontaine-Chaalis and Mortefontaine offer various options for accommodation and dining. The area around Château d'Ermenonville is a good starting point for finding services, and electric bike rentals are also available there.
The mountain bike trails in Ermenonville vary in length. For example, the Château d'Ermenonville – View from the treetops loop from Ermenonville is about 13.2 miles (21.3 km) and takes roughly 1 hour 52 minutes to complete. Longer routes, such as the Château d'Ermenonville – Haute Chaume Pond loop from Ermenonville, are around 26.0 miles (26 km).
Yes, parking is generally available near popular starting points for mountain bike trails, such as around the Château d'Ermenonville and other access points to the Forest of Ermenonville. Specific parking information can often be found on individual route descriptions.


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