4.4
(48)
133
riders
28
rides
Mountain bike trails around Guerny are characterized by varied countryside, including rolling hills and river valleys. The region offers a mix of terrain suitable for different skill levels. Routes often follow paths through agricultural lands and along waterways, providing a diverse riding experience.
Last updated: June 25, 2026
4.4
(5)
22
riders
51.0km
02:42
220m
220m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
15
riders
32.0km
02:33
380m
380m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.0
(4)
13
riders
30.8km
01:34
100m
100m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
5
riders
27.7km
02:20
410m
410m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
7
riders
37.9km
02:43
370m
370m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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For us, cycling hikers, the place is perfect. Not only is the setting absolutely superb – a building steeped in history surrounded by absolute calm – but the welcome is also warm and perfectly suited to the needs of cycle tourists. It is very appreciable to be able to leave your bikes safely in a dedicated space after a day of cycling. The comfort of the rooms, the authentic charm of the place and the quality of the breakfast allow you to leave the next day with optimal energy. The location is ideal for exploring the surrounding routes, far from the urban hustle and bustle. A favorite spot that I highly recommend to all lovers of the "petite reine" (the little queen, referring to the bicycle) looking for rest and character. An essential stop if you are passing through the Vernon or Gisors area!
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A military fortress with a defensive purpose, built in 1097, during the reign of William the Conqueror's second son, Gisors Castle marks a major page in the medieval history of Normandy. This fortification was intended to protect the Norman possessions of the King of England against the ambitions of the King of France. A true border place and eastern lock of Normandy, it was part of a vast campaign of fortifications in the Epte Valley, the natural boundary between the two kingdoms.
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We know of Saints Gervais and Protais that they were Christian martyrs in the 2nd century in Milan. At the time, the Roman Empire forced all its subjects to worship the emperor, which was unacceptable to Christians. If they refused, they were crucified or sent to the arena to be devoured by lions between gladiatorial fights. Thus, Saint Ambrose, bishop of Milan, found them, in 386, buried side by side. This great bishop affirmed that they had been martyrs by fidelity to their baptism. He even added "They are of a prodigious size, such as one was in ancient times." Their cult reached Gaul where a large number of churches were dedicated to them.
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very beautiful corner, superb view
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The parish church of Saint-Gervais Saint-Protais was consecrated in 1119 by Pope Calixtus 11. This Romanesque church saw its nave ravaged by fire in 1123. It was rebuilt in 1160. Thanks to funding from Queen Blanche of Castile, the people of Gisors built a Gothic choir, consecrated in 1249. It was built according to the Chartres model, common at the time in Ile-de-France, with a three-level elevation: large arcades, triforium and high windows pierced with oculi. Thanks to funding from charitable brotherhoods and trade corporations, the church underwent multiple transformations from the end of the 15th century with the addition of radiating chapels and an ambulatory at choir level. Entrusted to the Grappins, a family of architects from Vexin, the work continued in the 15th century with the reconstruction of the nave and the chapels of the side aisles in flamboyant Gothic style, then of the façade decorated with Renaissance motifs.
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La Roche-Guyon is a charming village and historic site located in Île-de-France, in the Val-d'Oise department. It is particularly known for its impressive medieval castle and its picturesque setting along the Seine. Why visit La Roche-Guyon? Historical Heritage: A visit to the castle allows you to discover an exceptional example of medieval architecture and understand its strategic importance throughout the centuries. Natural Setting: The site offers magnificent landscapes along the Seine, perfect for walks and photographs. Culture and Events: Cultural events and exhibitions enrich the experience of the visit and allow you to discover the local culture. In short, La Roche-Guyon is a must-see destination for those who wish to explore a rich historical heritage, enjoy splendid natural landscapes, and discover the regional culture.
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Built on a feudal mound, these ruins are those of the castle founded in 1097. It was one of the ducal castles controlling the Epte River, which then marked the border between Normandy and the Kingdom of France. Given its location, which makes it visible for miles around and offers a panoramic view of the surrounding area, the strategic importance of this position is easily understood. It is currently undergoing major restoration work supported by the Heritage Foundation with the aim of one day making the site accessible to the general public. The road runs around the ramparts.
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Guerny offers a selection of 26 mountain bike trails, catering to various skill levels. You'll find a mix of easy, moderate, and challenging routes to explore the region's diverse landscapes.
Guerny's mild climate, similar to the Channel Islands, makes it suitable for mountain biking throughout the year. However, spring and autumn often provide the most comfortable temperatures and vibrant scenery, ideal for enjoying the countryside paths and river valleys.
Yes, Guerny has trails suitable for beginners. For example, the Notre Dame du Chêne – Epte Valley loop from Buhy is rated as easy, offering a pleasant ride through the Epte Valley over 19.0 miles (30.5 km).
While most trails in Guerny are moderate, there are 3 routes classified as difficult for those seeking a greater challenge. These routes often feature more technical sections and steeper climbs, providing a rewarding experience for advanced mountain bikers.
Mountain biking in Guerny will take you through varied countryside, characterized by rolling hills, picturesque river valleys, and agricultural lands. The region's topography, with its dramatic coastal cliffs and verdant inland areas, offers diverse and scenic views.
Many of Guerny's trails are suitable for families, especially those rated as easy or moderate. These routes often follow quieter countryside paths, allowing for a relaxed and enjoyable ride for all ages. The Notre Dame du Chêne – Epte Valley loop from Buhy is a good option for families.
Several trails pass by significant historical sites. For instance, the Le Moulin de Fourges – Gisors Castle loop from Gisors takes you past the impressive Gisors Castle. Another route, the Castle of Château-sur-Epte – Dampsmesnil Passage Grave loop from Écos, offers views of the Castle of Château-sur-Epte. You can also find highlights like the Greenway of the Epte Valley.
Yes, many of the mountain bike trails in Guerny are designed as loops, making it convenient for riders. Examples include the popular Le Moulin de Fourges – La Roche-Guyon Castle loop from Bus-Saint-Rémy and the Epte Valley – Fourge Mill loop from Guerny.
The mountain bike trails in Guerny are highly rated by the komoot community, with an average score of 4.6 stars from over 50 reviews. Riders often praise the varied terrain, scenic countryside paths, and the opportunity to explore historical landmarks along the routes.
While popularity varies, routes like the Epte Valley – Fourge Mill loop from Guerny offer a delightful experience through the Epte Valley with moderate elevation changes, providing a less crowded but equally rewarding ride.
Trail lengths vary, but many routes are designed for a good half-day or full-day adventure. For example, the Le Moulin de Fourges – Gisors Castle loop from Gisors is 31.6 miles (50.9 km) and typically takes around 2 hours 41 minutes, while the Castle of Château-sur-Epte – Dampsmesnil Passage Grave loop from Écos is 19.9 miles (32.0 km) and takes about 3 hours 5 minutes.


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