4.4
(25)
106
riders
23
rides
Mountain biking around Sérifontaine offers a network of trails through the French countryside. The region is characterized by a mix of river valleys, agricultural land, and forested areas, with routes often connecting historic sites. The terrain includes gentle ascents and descents, suitable for various skill levels. This area provides opportunities for exploring both natural landscapes and cultural landmarks on two wheels.
Last updated: May 21, 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
(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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3.5
(2)
5
riders
26.0km
01:56
310m
310m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
9
riders
37.6km
03:23
600m
600m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(12)
9
riders
30.5km
01:34
120m
120m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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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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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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The Moulin de Fourges is a magical place built at the end of the 18th century, with architecture inspired by Queen Marie-Antoinette's hamlet at the Palace of Versailles. At the gates of the Vexin park, this listed site offers a truly bucolic setting with its country garden on the banks of the Epte river.
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Reilly Pond is surrounded by diverse wetland flora, such as angelica, waterhemp, and yellow loosestrife, which attract many insects and birds. A picnic area will allow you to relax and admire the landscape. Reilly Pond is part of a larger natural area, Reilly Marsh, which is an ancient peat bog sheltering rare plant and animal species. You can discover this space with a guide from the Hauts-de-France Conservatory of Natural Spaces who will reveal the secrets of this remarkable ecosystem. Reilly Pond is an ideal destination for nature lovers who wish to discover the beauty and diversity of the French landscapes.
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There are over 20 mountain bike trails documented around Sérifontaine on komoot, offering a variety of experiences through river valleys, agricultural land, and forested areas.
Yes, there is one easy trail: Epte Valley – Gisors Castle loop from Gisors. This route offers a gentle introduction to mountain biking in the area with minimal elevation changes.
While most trails are moderate, there are two routes classified as difficult for those seeking more challenge. These routes typically feature steeper climbs or more technical terrain within the region's varied landscapes.
The region's trails generally feature gentle ascents and descents through varied landscapes, making many of the moderate routes accessible for families with some biking experience. The Epte Valley – Gisors Castle loop from Gisors is specifically rated as easy and could be a good option for families.
Yes, all the featured mountain bike routes around Sérifontaine are loops, allowing you to start and finish at the same point. Examples include Le Moulin de Fourges – Gisors Castle loop from Gisors and Golf Bertichères – Lavoir de Reilly loop from Gisors.
Mountain bike trails in Sérifontaine offer diverse scenery, including river valleys, agricultural fields, and forested areas. Many routes also pass by historic sites and offer views of the French countryside.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 20 reviews. Reviewers often praise the varied terrain, the mix of natural landscapes and cultural landmarks, and the well-maintained paths.
Many routes incorporate historic sites. You can pass by landmarks such as Gisors Castle, Saint-Germer-de-Fly Abbey Church, or Dolmen des Trois-Pierres. The Gisors Castle – Chemin du Baron loop from Gisors is a good example of a trail leading through historic areas.
Trail durations vary depending on length and difficulty. For instance, the Le Moulin de Fourges – Gisors Castle loop from Gisors, a 51 km route, typically takes around 2 hours 41 minutes, while the 26 km Gisors Castle – Chemin du Baron loop from Gisors can be completed in about 1 hour 55 minutes.
The region's rolling countryside and river valleys naturally offer scenic views. Routes like Golf Bertichères – Lavoir de Reilly loop from Gisors are known for their scenic views of the countryside, particularly from higher points.
The spring and autumn months generally offer the most pleasant conditions for mountain biking in Sérifontaine, with milder temperatures and vibrant natural scenery. Summer can also be enjoyable, though it may be warmer, and winter rides are possible but can be muddy or cold.
Many routes start or pass through towns and villages where you can find local establishments. Gisors, a common starting point for several trails, offers various options for refreshments and meals after your ride.


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