4.3
(31)
211
riders
19
rides
Mountain biking around Le Boullay-Les-Deux-Églises offers access to diverse natural landscapes within the Eure-et-Loir department. The area features a rural setting with varied terrain, including significant forested areas like the Forêt Domaniale de Châteauneuf. Routes often traverse the Thymerais cereal-growing plateau and lead into the tranquil Blaise valley, providing a mix of dedicated paths, tracks, and some road sections. The landscape is characterized by green spaces and forests, suitable for a range of mountain biking experiences.
Last updated: July 9, 2026
5.0
(5)
61
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.9
(8)
44
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
38
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
7
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
7
riders
26.8km
01:46
130m
130m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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be careful because there are forest animals
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The Rond du Roi are two pyramids which mark the limits of the former royal hunting domain. The pyramids date from the 18th century and are made of sandstone blocks. They are located at the intersection of forest roads, called Rond de France and Rond du Roi. This area offers plenty of woodland running trails with stunning views of the surrounding countryside.
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The Rond des Quatres Barrières is a historic monument dating from the 18th century. It was built by the Duke of Penthièvre, owner of the neighboring castle of Châteauneuf-en-Thymerais. The Rond des Quatres Barrières is made up of four stone arches which form a circle, with a fountain in the center. It is located in the middle of the forest. The Rond des Quatres Barrières is the ideal place to visit during a running race.
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Châteauneuf-en-Thymerais is a town with a rich history and magnificent forests. You can explore the remains of the old castle, the neoclassical town hall and the unique Notre-Dame du Pasme church, which was built with materials from the demolished castle. The Châteauneuf-en-Thymerais national forest, which extends over 1,743 hectares, also offers opportunities for discovering nature and wildlife. Châteauneuf-en-Thymerais is a favorite destination for runners of all levels.
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The Rond du Roi are two pyramids that mark the boundaries of the former royal hunting grounds. The pyramids date from the 18th century and are made of blocks of sandstone. They are located at the intersection of forest roads, called the Rond de France and the Rond du Roi. This area offers pleasant walks in the woods, with some views of the surrounding countryside.
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The Rond des Quatres Barrières is a historical monument dating from the 18th century. It was built by the Duke of Penthièvre, who owned the neighboring castle of Châteauneuf-En-Thymerais. The Rond des Quatres Barrières is made up of four stone arches that form a circle, with a fountain in the center. It is located in the middle of the forest. The Rond des Quatres Barrières is a peaceful and charming place to visit, especially in the spring or fall when the trees are in bloom or changing color.
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Châteauneuf-en-Thymerais is a town with a rich history and magnificent forest. You can explore the remains of the old castle, the neoclassical town hall and the unique Notre-Dame du Pasme church, which was built with materials from the demolished castle. You can also enjoy nature and wildlife in the Châteauneuf-en-Thymerais national forest, which covers 1,743 hectares. Châteauneuf-en-Thymerais is a destination of choice for hikers who love history and nature.
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There are 18 mountain bike trails available around Le Boullay-Les-Deux-Églises, offering a variety of experiences for riders.
The trails around Le Boullay-Les-Deux-Églises are primarily easy and moderate. You'll find 11 easy routes and 7 moderate routes, making the area accessible for various skill levels. There are no difficult trails listed.
The trails traverse diverse natural landscapes, including significant forested areas like the Forêt Domaniale de Châteauneuf. You'll also ride through the rural Thymerais cereal-growing plateau and into the tranquil Blaise valley, offering a mix of green spaces and open countryside.
Yes, with 11 easy routes available, the area offers several options suitable for families. These trails generally feature modest elevation changes and varied terrain, making them enjoyable for a wider range of riders.
Many of the routes around Le Boullay-Les-Deux-Églises are loops. For example, you can explore the La Blaise Riverside Path – Moulin de la Bellassière loop from Vernouillet, which is an easy 26.6 km ride.
The trails are highly rated by the komoot community, with an average score of 4.3 stars from over 20 reviews. Riders often praise the diverse natural landscapes, the peaceful Blaise valley, and the mix of dedicated paths and tracks that provide an engaging experience.
For those looking for a longer ride, the Moulin de Torçay – Obelisk of the Rond de France loop from Châteauneuf-en-Thymerais is a moderate 55.3 km trail. Another option is the Moulin de la Bellassière – Obelisk of the Rond de France loop from Vernouillet, which covers 52.1 km.
While riding, you might encounter historical sites such as the Rond du Roi. The trails also pass by natural features like the Centre Nautique du Pays Drouais – Mézières-Écluzelles Lake and the Mézières-Écluzelles Lake, offering scenic views.
The Eure-et-Loir region generally offers pleasant conditions for cycling during spring, summer, and early autumn. These seasons provide comfortable temperatures and drier trail conditions, making for an enjoyable ride through the forests and rural landscapes.
Yes, many trails in the region, especially those starting from towns like Châteauneuf-en-Thymerais or Vernouillet, typically have designated parking areas. It's advisable to check the specific route details on Komoot for recommended starting points and parking information.
While many rural trails in France are dog-friendly, it's always best to keep dogs on a leash, especially in forested areas where wildlife may be present or near agricultural land. Check local signage for any specific restrictions within the Forêt Domaniale de Châteauneuf or other protected areas.
Le Boullay-Les-Deux-Églises is a rural commune. While direct public transport links to specific trailheads might be limited, you can often reach nearby larger towns like Châteauneuf-en-Thymerais or Vernouillet by regional buses, from where you can start your ride. Planning your route in advance on Komoot can help identify convenient access points.


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