4.3
(47)
225
riders
74
rides
Mountain biking around Marcilly-Sur-Eure offers a network of trails through varied terrain. The region features a mix of dense woodlands, open countryside, and river valleys, providing diverse landscapes for mountain bikers. With elevations generally under 400 meters, the area is characterized by rolling hills rather than steep ascents, making it accessible for different skill levels.
Last updated: June 25, 2026
3.7
(3)
6
riders
14.5km
01:09
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
7
riders
40.6km
02:57
380m
380m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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10
riders
38.4km
02:01
70m
70m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
6
riders
34.2km
02:36
270m
270m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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A very beautiful greenway It's an old railway line that has been covered over; it used to go all the way to Dreux. We love going there for cycling, and it's also ideal for walking and rollerblading.
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A village full of character with a rich industrial past. Visit its church and the ruins of its castle. If you're interested in Calvados, a guided tour of the Morin winery is a must.
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The church still houses the bell that rang Henry IV's victory in the 1590 battle between the royal army and the Catholic League. An inscription on the chevet recalls that Saint-Martin was transformed into a temple of Reason during the French Revolution.
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Travel the Eure Valley from Montreuil to Fermaincourt for a scenic ride along quiet country roads. The route passes through charming villages, lush green meadows and peaceful stretches of the Eure River. You'll enjoy gentle slopes that make the ride enjoyable and relaxing, with plenty of places to stop and admire the picturesque countryside.
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A small church ⛪️ lost in the middle of the countryside
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Tuberculosis has long been a real scourge in France and in a large part of Europe. Between the 18th and 19th centuries, this infectious disease, caused by Koch's bacillus, transmitted by air, could be fatal or leave serious sequelae. It was very contagious and still poorly treated until the 1950s, which saw the arrival of antibiotic treatments. In particular, it wreaked havoc in the trenches during the First World War. Hence the decision of several European governments, including France, to launch a major health care policy in 1919. This policy involved the construction of sanatoriums, health establishments specializing in the treatment of disease, in the four corners of France. The latter were places of cure; they were, in general, built in environments open to nature to take advantage of the great outdoors. They had to be sanitized buildings and meet strict hygiene standards. However, with medical advances on the disease, in 1968, France decided to modify the status of sanatoriums which could then accommodate patients with other diseases. The end of the scourge of tuberculosis then resulted in making these specialized establishments obsolete and many were converted and then abandoned. The Dreux sanatorium is part of this general history. The site is made up of the sanatorium itself, called “Clinique Laennec”, and the preventorium intended for milder forms of the disease. It was built between 1928 and 1932 in an art deco style, in vogue at the time, constituting an enormous complex with a total area of 20,000 m2 of building in the heart of a wooded site of 47 ha. At its peak, the site had a capacity of 1,000 patients. The patients, mostly children, could stay there for several years. It was nevertheless above all a measure of distance and some patients ended their days in this place. The preventorium was transformed into a medico-educational institute from 1962 to 1980. Until the end of the 1980s, certain pavilions accommodated incurable patients. Patients sometimes only stayed a few weeks before succumbing to their illness. In 1999, the city of Dreux bought this immense complex for a symbolic franc. Today, only the furthest building is still in operation; it is used as a summer camp. All the rest of the sanatorium is abandoned. It then became a haunt for taggers and urbex enthusiasts; but also ghost hunters, as it is reputed to be one of the most haunted sites in France due to the number of sick young people who perished on the site. It would have been the scene of many paranormal phenomena: doors slamming, patients bleeding for no reason. A legend also says that the soul of a 14-year-old girl would wander through the place... After a 19-year-old young man who was exploring the sanatorium fell to his death, the site was barricaded to prevent access. A major real estate project costing 100 million euros of investment accompanied by a classification as Historic Monuments provides for the rehabilitation of this complex into a vast residential area. Work is scheduled to begin in the months or years to come.
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The Avre is a charming river which acts as a border between Normandy and the Centre-Val de Loire. The arms it forms below Mesnil-sur-l'Estrée are delightful. Do not hesitate to cross them using the small bridge which overhangs them.
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It is made up of four sandstone plates, two for the legs and two for the table (roof). Only one side of the dolmen exists, the two table plates are placed on the two vertical side stones (orthostats). The whole forms a prism.
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There are over 70 mountain bike trails in the Marcilly-Sur-Eure area. These routes traverse varied terrain, including dense woodlands, open countryside, and river valleys.
Yes, Marcilly-Sur-Eure offers a good selection of trails for beginners. There are 30 easy-rated mountain bike routes, characterized by rolling hills and generally under 400 meters of elevation gain, making them accessible for different skill levels. An example is the Croix du Carré loop from Carrefour des Vieilles Ventes, which is an easy 14.5 km trail.
The terrain around Marcilly-Sur-Eure is diverse, featuring a mix of dense woodlands, open countryside, and river valleys. You'll encounter rolling hills rather than steep ascents, with elevations generally staying under 400 meters, providing a varied but manageable riding experience.
Yes, many of the mountain bike routes in Marcilly-Sur-Eure are circular. For example, the moderate Panorama – Dolmen de Cocherelle loop from Montreuil offers panoramic views and historical sites, while the Bassin – Forêt des Moulinards loop from Champigny St. André German War Cemetery takes you through forests and past a basin.
For scenic rides with viewpoints, consider routes that incorporate the 'Panorama' designation. The Cocherelle Dolmen – Panorama loop from Montreuil is a moderate 34.4 km trail that leads through varied landscapes and offers scenic vistas.
Several routes pass by interesting historical sites and attractions. You can explore castles like Anet Castle, Château de Louye, or Sorel Castle. The Sorel Castle – Eure Valley Greenway loop from Montreuil is a moderate route that specifically includes a castle and a greenway.
The mountain bike trails in Marcilly-Sur-Eure are highly rated by the komoot community, with an average score of 4.3 stars from over 40 reviews. Riders often praise the diverse landscapes, including dense forests and river valleys, and the accessibility of routes for various skill levels.
While there are no 'difficult' rated trails, experienced riders can find longer, moderate routes. The Sorel Castle – Eure Valley Greenway loop from Montreuil is a substantial 62.4 km moderate trail, offering a longer ride through varied landscapes.
The region's varied terrain, including woodlands and river valleys, makes it enjoyable for mountain biking across multiple seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. While specific winter conditions can vary, the rolling hills typically remain accessible.
Beyond the castles, you might encounter historical dolmens, such as those featured on the Panorama – Dolmen de Cocherelle loop from Montreuil. The Eure Valley Greenway also offers a pleasant cycling experience along the river.


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