4.6
(70)
310
riders
63
rides
Mountain biking around Authon-La-Plaine offers a network of trails primarily traversing dense woodlands and river valleys. The region is characterized by rolling terrain with moderate elevation changes, making it suitable for various skill levels. Many routes pass through the Forêt de Dourdan, featuring ancient oak trees and natural water features like the Ru des Vaux. The landscape provides a mix of shaded forest paths and open sections, ideal for mountain biking.
Last updated: July 4, 2026
4.5
(12)
68
riders
44.9km
03:47
480m
480m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(2)
33
riders
69.2km
05:33
600m
600m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.5
(4)
16
riders
30.6km
02:41
410m
410m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.3
(4)
13
riders
49.5km
04:08
520m
520m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(5)
10
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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nice but watch out for the cobblestones
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The fortress once held up to 300 prisoners simultaneously, as recorded in revolutionary period prison registers when it served as a royal prison.
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Dourdan Castle is a 13th-century fortress built by King Philip Augustus between 1220-1222, representing the pinnacle of "Philippian" military architecture with its square plan, defensive towers, and isolated donjon. The castle holds significant historical importance as the birthplace of Hugh Capet, the first Capetian king of France, whose father built an earlier wooden fortress on the site. Throughout its history, the castle served various roles including royal residence, hunting lodge, prison, and military barracks before being restored as a historical monument in 1964.
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The turtle head welcomes you at the end of the hike with its two big, friendly eyes!
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In the Pont Granval reserve, a small stone bridge crosses a quiet river and offers a picturesque passage. This technical path, with climbs and descents around the river, winds through the heart of unspoiled nature. The rustic and charming stone bridge adds character to your mountain bike ride. The trails around the bridge offer varied challenges with rocky passages and shaded areas.
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There are over 50 mountain bike trails to explore around Authon-La-Plaine, offering a variety of options for different skill levels and preferences.
The trails around Authon-La-Plaine cater to a range of abilities. You'll find a good mix of routes, with 11 easy, 41 moderate, and 7 difficult trails. The region's rolling terrain and moderate elevation changes make it accessible for many riders, while longer routes offer more challenge.
Yes, Authon-La-Plaine offers several family-friendly mountain bike routes, particularly among the 11 easy trails available. These routes often feature gentler terrain through the woodlands, suitable for riders of varying ages and experience levels. Look for routes with shorter distances and minimal elevation gain for the most family-friendly experience.
For advanced mountain bikers, there are 7 difficult trails around Authon-La-Plaine. These routes typically cover longer distances and feature more significant elevation changes. An example is the Remarkable oak – Route aux Cerfs loop from Dourdan, which spans over 41 km with considerable ascents and descents through the Dourdan forest.
Yes, many of the mountain bike trails around Authon-La-Plaine are designed as circular routes, allowing you to start and finish at the same point. This is convenient for parking and planning your ride. For instance, the Abbaye Notre-Dame de l'Ouÿe – Grillon Trail loop from Dourdan is a moderate circular route.
The mountain bike trails around Authon-La-Plaine primarily traverse dense woodlands, particularly within the Forêt de Dourdan, and follow river valleys like the Ru des Vaux. You can expect a mix of shaded forest paths and some open sections, with rolling terrain and moderate elevation changes. The natural water features and ancient oak trees add to the scenic variety.
The mountain bike trails around Authon-La-Plaine are highly regarded by the komoot community, with an average rating of 4.5 stars from over 80 reviews. Riders often praise the quiet woodlands, varied terrain, and the well-maintained paths that make for an enjoyable experience.
Yes, several points of interest are accessible near the mountain bike routes. You can explore historical sites like the Château de Dourdan or the Fortified Farm of Châteaupers. The Saint-Germain-d'Auxerre Church of Dourdan is also a notable religious building in the vicinity.
Mountain biking in Authon-La-Plaine is enjoyable through much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery with changing foliage. Summer provides warm weather, though shaded forest paths offer respite from the sun. Winter conditions can vary, so checking the weather forecast is always recommended.
While the region is characterized by dense woodlands, many trails offer picturesque views within the forest, particularly along the river valleys and through areas with remarkable oak trees. The rolling terrain provides gentle inclines that can open up to broader vistas of the surrounding countryside.
While some popular routes, especially those closer to Dourdan, can see more traffic, the extensive network of over 50 trails means you can often find quieter paths. Exploring some of the less-known moderate or difficult routes, or riding during off-peak hours, can lead to a more secluded experience.


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