4.3
(136)
3,809
riders
637
rides
Road cycling routes around Gasville-Oisème traverse the Eure-et-Loir department, offering varied terrain for cyclists. The region features the flat plains of Beauce and the rolling hills of the Perche, providing distinct riding experiences. The Eure River and its banks also present opportunities for tranquil rides. This landscape combines agricultural areas with forested sections and river valleys.
Last updated: May 21, 2026
17
riders
103km
04:10
510m
510m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
11
riders
74.0km
03:03
390m
390m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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13
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
14
riders
28.6km
01:15
180m
180m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
11
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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The Moulin de Mormoulins is a watermill located on the Eure River in the hamlet of Mormoulins. This mill dates back to the 18th and 19th centuries and is a listed historical monument. You can admire the old stone building, the wooden wheel, and the canal that diverts water from the river as you pass in front of the mill. The mill is surrounded by green fields and trees, creating a peaceful and relaxing atmosphere.
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According to tradition, the church choir covers the remains of an older building, possibly dating back to the 6th century, which was built to house the saint's body. According to current knowledge, the commune of Saint-Piat (Sanctus Piatus in Latin) officially appeared in 1087, mentioned in a charter of the Nottonville Priory (Eure-et-Loir), on which it depended. The current building was rebuilt during the time of Francis I, as suggested by the date 1535 engraved on two buttresses of the apse and the date 1542 engraved on a piece of wood from the vault. This is according to a study by the SAEL (Eure-et-Loir Archaeological Society). The three-sided apses, the dripstone towers (horizontal members projecting from a wall), and the sculpted roof structures are a testament to the importance of the reconstructions carried out in the department during the 16th century. The church of Saint-Piat is one of them. While the church has not been officially recognized, it nevertheless contains objects that have attracted attention both for their antiquity and quality, but not always for good reason. Their artistic value, far from attracting only religious or aesthetic interest, has also aroused a covetousness that, unfortunately, remains for some of them. Fortunately, those still in place are carefully cared for and offer the curious a story to discover, a beauty to slowly ponder as they progress toward the choir.
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Before 528, the village of Saint-Prest was called Saint-Jean-sur-Eure. At that time, the Bishop of Chartres, Ethère, had a building built adjoining the southern flank of the parish church, including a "martyrium" to house the remains of holy martyrs (the legend of Saint-Prest), which were placed in ten sarcophagi. The most honored relics were those of a certain Priscus; following numerous miracles, the parish took the name of Saint-Prest. The current church's crypt is the apse of the 9th-century Carolingian church, which replaced a 6th-century sanctuary. Access to the 12th-century nave, on the west side, is through a beautiful Romanesque portal, carved from beautiful limestone, surmounted by a triple saw-tooth archivolt and framed by two small columns with capitals. On the right, a face would be that of Eve, and on the left would appear the tempting serpent.
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Many centuries ago, our ancestors discovered the possibility of harnessing the power of the elements—which, while helpful and useful on the one hand, could also be a threat as untamed forces of nature—for various purposes, thus eliminating the need for human or animal muscle power. Mills like these are a good example of the human engineering skills of earlier generations: The heavy millstones used to grind grain or press oil, for example, could be powered by wind or—as in this case—water.
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Rambouillet Castle A former medieval fortress, Rambouillet Castle was gradually transformed into a pleasure residence by its illustrious owners and adorned with elegant decorations.
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There are over 600 road cycling routes in the Gasville-Oisème area. These routes cater to various skill levels, from easy rides along riverbanks to more challenging paths through rolling hills.
The region offers a diverse terrain for road cyclists. You'll find the flat plains of Beauce, ideal for steady rides, alongside the rolling hills of the Perche, which provide more varied elevation. Routes also traverse agricultural areas, forested sections, and tranquil river valleys, particularly along the Eure River.
Yes, the region offers routes suitable for families, especially those that follow the flat plains or greenways. The Lavoir de Soulaires – Spot for a break on the banks of the Eure loop from Gasville-Oisème is an easy 47.5 km route that follows the banks of the Eure River, perfect for a relaxed family outing. The Loir Valley by Bike itinerary, which passes through the wider region, is also noted for its ease and charming villages.
Many routes weave through charming villages and past historical sites. Just 7-9 km from Gasville-Oisème, you can visit the UNESCO World Heritage-listed Chartres Cathedral. Other routes might take you past landmarks like the Château de Maintenon or the Avre Aqueduct. The region also offers natural beauty, including the nearby Forêt de Rambouillet and the Vallée de Chevreuse.
Yes, while the region has many easy and moderate routes, there are also more challenging options, particularly in the rolling hills of the Perche. Out of over 600 routes, 14 are classified as difficult, offering more significant elevation gains and longer distances for experienced riders.
The spring, summer, and early autumn months generally offer the most pleasant conditions for road cycling in Gasville-Oisème. During these seasons, the weather is typically mild, and the landscapes are vibrant, making for an enjoyable riding experience.
While specific parking details for every route are not provided here, the wider region, particularly areas with the 'Accueil Vélo' label like the neighboring Vendôme region, indicates cyclist-friendly infrastructure that often includes secure bike storage and parking facilities. It's advisable to check local information for specific starting points.
The Eure-et-Loir department is generally accessible, and while specific public transport options for bikes vary, major towns like Chartres are well-connected. For detailed information on public transport options that accommodate bicycles, it's best to consult local transport services or the regional tourism website: tourisme28.com.
The road cycling routes in Gasville-Oisème are highly rated by the komoot community, with an average score of 4.3 stars from over 170 reviews. Cyclists often praise the varied terrain, from tranquil riverside paths to scenic routes through historical villages, and the overall pleasant riding experience in the Eure-et-Loir department.
Yes, the region is part of significant long-distance cycling networks. The famous Veloscenic Cycle Route, which connects Paris to Mont St-Michel, traverses the Eure-et-Loir region. Additionally, the Loir Valley by Bike, a 320 km itinerary, is easily accessible and offers extensive cultural and scenic exploration.
Cycling routes often pass through charming villages where you can find local cafes, bakeries, or small shops. The city of Chartres, close to Gasville-Oisème, also hosts a vibrant market. For specific cyclist-friendly services, look for establishments displaying the 'Accueil Vélo' label in the broader region.
Beyond individual routes, the region benefits from established cycling networks. A peaceful greenway runs alongside the Eure River from Saint Perst to Lisant, offering tranquil moments for riders. The Eure River's banks also provide additional cycling opportunities within the region, connecting various points of interest.


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