4.5
(159)
726
riders
66
rides
Touring cycling routes around Ermenonville-La-Grande traverse a landscape characterized by expansive forests, including the notable Ermenonville Forest, and gently undulating terrain. The region features river valleys such as the Nonette and Launette, along with several scenic ponds. Many routes integrate cultural landmarks like the Château d'Ermenonville and the historic Parc Jean-Jacques Rousseau.
Last updated: July 2, 2026
4.3
(49)
252
riders
56.3km
03:12
170m
170m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
48
riders
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.

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4.0
(6)
56
riders
96.2km
05:35
430m
430m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(6)
55
riders
68.6km
03:58
230m
230m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
4.5
(4)
37
riders
45.1km
02:38
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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According to biblical accounts, the apostle "Saint Jacques" was the first person to be executed for his faith, as recorded in the Acts of the Apostles, making him an early martyr (blood witness) of Christianity. His tomb in the town named after him, "Santiago de Compostela" (Galicia, Spain), is one of the most famous and important pilgrimage destinations in the world and is often ranked third after Jerusalem and Rome. Yesterday (July 25) was his feast day in the calendar of saints. When this date falls on a Sunday (this was last the case in 2021), the Catholic Church celebrates a special "Holy Year" there (extended by Pope Francis until 2022 due to the coronavirus pandemic).
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The current remains are those of the 15th-century gate and its barbican or artillery boulevard. The earliest remains on the site date back to the 1st century, with the remains of an ancient domus, a street, and its wooden gutter. The first Guillaume Gate was built around 1185; a wall can still be seen a little further along Rue de la Porte Guillaume. Source: https://journals.openedition.org/cem/14214?lang=en
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The place to take a break in Illiers-Combray.
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Beautiful green space in the middle of the city. Sometimes flooded in winter.
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Using the power of moving water to drive a mill wheel is an ancient invention that dates back to pre-Christian times. Thanks to such a construction, human or animal muscle power could be easily replaced by a watercourse - natural or artificially created - in order to grind grain into corn, for example. There are essentially two different ways of driving watermills: either the water simply hits the blades of the water wheel from below to set it in motion; or the water is guided above the wheel and falls onto the blades; this type of construction is more efficient due to natural gravity.
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Illiers Combray is not the banks of the Eure but of the Loir!
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Very beautiful church from the 15th century with a painted wooden beam ceiling.
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Unfortunately, the church was not accessible when I visited (mid-September 2024). You could only look in through a gate and the dance of death depictions on the left side were not really visible. In front of them were transparencies with skeleton drawings. Maybe those were the depictions...
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There are over 60 touring cycling routes around Ermenonville-La-Grande, offering a wide range of options for different skill levels and preferences. This includes 38 easy routes, 23 moderate routes, and 5 more challenging routes.
The terrain around Ermenonville-La-Grande is characterized by expansive forests, notably the Ermenonville Forest, and gently undulating landscapes. You'll find a mix of paved surfaces and some unpaved segments, including sandy paths in certain forest areas. Routes often follow river valleys like the Nonette and Launette, and pass by scenic ponds, providing a varied and engaging touring experience.
The best time for touring cycling in Ermenonville-La-Grande is generally from spring through early autumn (April to October). During these months, the weather is typically mild and pleasant, and the forest trails are at their most beautiful. Summer offers longer daylight hours, while spring and autumn provide vibrant foliage and cooler temperatures, ideal for longer rides.
Yes, Ermenonville-La-Grande offers numerous options suitable for less experienced touring cyclists or families. Many routes feature gentle gradients and well-maintained paths, particularly within the forest areas. For example, the route Ponds of Fontenay-sur-Eure – Barjouville Pond loop from Bailleau-le-Pin is a moderate option that is not overly long and offers pleasant scenery.
The touring cycling routes around Ermenonville-La-Grande are highly rated by the komoot community, with an average score of 4.3 stars from over 140 reviews. Cyclists often praise the region's extensive forests, the picturesque river valleys, and the blend of natural beauty with historical landmarks. Many appreciate the variety of routes available, catering to different fitness levels.
While cycling, you'll encounter the extensive Ermenonville Forest, which is a central natural feature of the region. Routes also traverse the valleys of rivers like the Nonette and Launette, often featuring lush riverside paths. You can also discover various ponds, such as those of Fontenay-sur-Eure, which add to the scenic beauty. The "Grande Cascade du Château" is another notable landscape feature in the area.
Absolutely. Many routes integrate cultural landmarks. You can often see or pass by the historic Château d'Ermenonville and the beautiful Parc Jean-Jacques Rousseau, known for its unique 'natural style' garden and architectural follies. The broader region also includes charming French villages, such as the ancient royal city of Senlis, which offers historical context. Specific highlights include the Church of Saint James, Illiers-Combray and the Château des Boulard.
The region offers numerous scenic spots, particularly within the Ermenonville Forest and along the river valleys. The areas around the ponds of Fontenay-sur-Eure provide tranquil views, as do the paths alongside the Nonette and Launette rivers. The Parc Jean-Jacques Rousseau itself offers picturesque vistas and historical points of interest, making it a scenic highlight during your ride.
Yes, many of the touring cycling routes around Ermenonville-La-Grande are designed as loops, allowing you to start and end at the same point. Examples include the Ponds of Fontenay-sur-Eure – Rives du Loir loop from Bailleau-le-Pin and the Moulin de Ver-lès-Chartres – Ponds of Fontenay-sur-Eure loop from Bailleau-le-Pin, which are popular choices for their convenience and scenic variety.
While specific public transport options directly to every trailhead might be limited, the broader region around Ermenonville-La-Grande is accessible by regional train services to nearby towns. It's advisable to check local bus and train schedules, and their bike carriage policies, if you plan to use public transport to reach your starting point. Parking is generally available near popular trailheads for those arriving by car.
For experienced touring cyclists seeking a longer challenge, the region offers routes with significant distances and elevation gains. An example is the Moulin de Ver-lès-Chartres – Bonneval loop from La Bourdinière-Saint-Loup, which is classified as difficult, covering nearly 100 km with over 400 meters of elevation gain. These routes provide a more demanding experience through varied landscapes.
While the routes often pass through natural areas, you'll find opportunities for refreshments in the villages and towns scattered throughout the region. It's a good idea to plan your route to include stops in places like Ermenonville or nearby communities where cafes, bakeries, or small shops are available. Always carry sufficient water and snacks, especially on longer stretches through the forest.


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