4.8
(7)
47
riders
9
rides
Gravel biking around Gas features a diverse landscape characterized by historical aqueducts and extensive riverside paths. The terrain includes varied surfaces, from well-maintained paths to more rugged sections, suitable for gravel bikes. Riders encounter a blend of open countryside and areas with historical structures, providing a unique backdrop for outdoor activity. The region's gravel bike trails offer opportunities to explore both natural and man-made features.
Last updated: July 3, 2026
12
riders
98.4km
06:19
590m
590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(4)
9
riders
39.3km
02:25
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
8.61km
00:33
60m
60m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
34.8km
02:08
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
66.1km
04:01
390m
390m
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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Walking along the canal, surrounded by dense vegetation, is a unique pleasure.
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Don't be surprised if you spot flamingos 🦩 on the banks of the pond. They're still there, despite the park being closed for many years.
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Situated on the banks of the Eure River, the village of Maintenon boasts a peaceful atmosphere and rich heritage. Dominated by its Renaissance castle and famous for its unfinished aqueduct designed by Vauban, the town invites you to stroll. The ancient streets, the banks of the Eure River, and the Louis XIV Canal provide an ideal setting for a break in the footsteps of history.
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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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very nice hike in the woods with some stone bridges to discover
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Gravel biking around Gas offers a diverse landscape. You'll encounter a mix of historical aqueducts, serene riverside paths, and routes that connect significant estates and towns. The terrain varies from well-maintained paths to more rugged sections, providing a good challenge for gravel bikes.
There are over 15 gravel bike trails available in the Gas region, catering to various skill levels. This includes 4 easy routes, 10 moderate routes, and 3 more challenging options.
Yes, there are several easy routes suitable for beginners or family outings. A great option is the Château de Maintenon – Old aqueduct loop from Hanches, which is 23.1 km long and takes about 1 hour 33 minutes to complete, leading through historical estates and past an old aqueduct.
For those seeking a longer ride, the Old aqueduct – Eure Riverside Walk loop from Yermenonville is a challenging 93.8 km trail that takes around 6 hours 17 minutes, featuring extensive riverside sections. Another demanding option is the Old aqueduct – Château de Mormoulins loop from Maintenon, spanning 98.6 km.
The region is rich in historical features. You can explore landmarks such as the Pont Rouge on the Louis XIV Canal, the historic Saint-Piat Mill, and the impressive Maintenon Castle. Many routes also pass by old aqueducts and through charming towns.
Absolutely. The Domaine de Rambouillet – Rambouillet Castle loop from Saint-Hilarion is a moderate 28.5 km path that traverses the grounds of the Domaine de Rambouillet, offering views of the historic castle. The Château de Maintenon – Old aqueduct loop from Hanches also leads through historical estates.
The gravel biking routes in Gas are highly rated by the komoot community, with an average score of 4.6 stars from over 30 reviews. Riders often praise the unique blend of historical aqueducts, scenic riverside paths, and the varied terrain that makes for an engaging ride.
Many of the popular gravel bike trails in Gas are designed as loops, offering convenient starting and ending points. Examples include the Old aqueduct – Eure Riverside Walk loop from Yermenonville and the Domaine de Rambouillet – Rambouillet Castle loop from Saint-Hilarion.
While specific seasonal conditions are not detailed, the varied terrain with riverside paths and forest sections suggests that spring and autumn would offer pleasant temperatures and beautiful scenery. Summer can also be enjoyable, especially on shaded routes, while winter conditions would depend on local weather patterns.
Yes, the The finish line in Chartres – Saint-Piat Mill loop from Épernon is a moderate 57.4 km route that connects to Chartres, offering a chance to see the famous city as part of your ride.
Beyond the historical structures, you'll find natural beauty along the Eure riverside, offering tranquil views. There's also the unique Guiperreux Toad Crossing, which highlights the local wildlife and natural environment.


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