25
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6
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Gravel biking around Bû offers routes through the rural landscape of the Eure-et-Loir department in northern France. The region is characterized by agricultural land, quiet country roads, and sections of forest, notably the Dreux Forest. Gentle hills and river valleys, such as the Eure Valley, provide varied terrain for cycling. This area provides a network of paths suitable for exploring the French countryside on a gravel bike.
Last updated: May 22, 2026
10
riders
105km
06:46
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
42.7km
03:24
280m
280m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

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4
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
32.0km
02:04
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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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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Fermaincourt Castle, located in Montreuil, is a former royal stronghold founded in the 10th century, which was repaired in the 12th century by Robert I, Count of Dreux.
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Beautiful site on the Eure, don't miss the tomb of Diane de Poitiers.
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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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Beautiful picnic areas along the water
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The gravel bike trails around Bû primarily feature the rural landscape of the Eure-et-Loir department. You'll encounter agricultural land, quiet country roads, and sections of forest, notably the Dreux Forest. Gentle hills and river valleys, such as the Eure Valley, provide varied terrain for cycling.
There are 9 gravel bike trails available around Bû on komoot, offering a range of options for different skill levels.
Yes, there is 1 easy gravel bike route available. While many routes are moderate to difficult, the rural roads and paths can be adapted for less strenuous rides. For a moderate option, consider the Eure Valley Greenway – Anet Castle loop from Ézy-sur-Eure, which is 32 km long and takes about 2 hours.
For advanced riders seeking a challenge, Bû offers 3 difficult routes. A notable option is the extensive Château de Mormoulins – Old aqueduct loop from Marchezais - Broué, which spans 104.4 km and includes significant elevation changes. Another difficult route is the Walk in the Dreux Forest – Sorel Castle loop from La Pinède, navigating through the extensive Dreux Forest.
Several routes pass by historical sites. The Château de Mormoulins – Old aqueduct loop from Marchezais - Broué features the Château de Mormoulins and an old aqueduct. The Walk in the Dreux Forest – Sorel Castle loop from La Pinède passes by Sorel Castle. Additionally, the Eure Valley Greenway – Anet Castle loop from Ézy-sur-Eure leads past Anet Castle.
Yes, many of the gravel bike routes around Bû are designed as loops. For instance, the Bas Buissons Hill – Cocherelle Dolmen loop from Chapelle royale de Dreux is a moderate 36.6 km circular route, and the Lovely trail along the Avre – Cocherelle Dolmen loop from Marcilly-sur-Eure offers a moderate 26.9 km loop.
Bû experiences a mild oceanic climate. Spring and autumn generally offer pleasant temperatures and conditions for gravel biking, with less extreme weather than summer or winter. However, the rural paths are accessible year-round, with winter rides possible, though you should be prepared for cooler, potentially wetter conditions.
Gravel bikers using komoot often appreciate the varied terrain, which includes quiet rural roads, forest paths, and river valleys. The network of paths provides options for different ability levels, allowing riders to explore the French countryside at their own pace.
Yes, the Dreux Forest is a significant natural feature in the region. The Walk in the Dreux Forest – Sorel Castle loop from La Pinède specifically navigates through this extensive forest, offering a scenic and challenging ride.
Yes, the Eure Valley is a prominent feature in the region. The Eure Valley Greenway – Anet Castle loop from Ézy-sur-Eure is a popular route that leads through the Eure Valley Greenway, offering picturesque views along the river.
The longest gravel bike route is the Château de Mormoulins – Old aqueduct loop from Marchezais - Broué, which covers 104.4 km and typically takes around 8 hours and 10 minutes to complete.


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