4.6
(376)
1,910
hikers
215
hikes
Hiking around Boissy-Sans-Avoir offers exploration through a tranquil rural setting in the Yvelines department of France. The region is characterized by expansive agricultural plains providing broad vistas, interspersed with significant forested areas, particularly in its southern half. This combination creates varied terrain for outdoor activities, ranging from open countryside walks to shaded woodland paths.
Last updated: July 15, 2026
5.0
(1)
17
hikers
7.82km
02:05
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
6
hikers
19.4km
05:14
230m
230m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
7
hikers
18.5km
04:58
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
5
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
25.5km
06:49
290m
290m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Pond where it is very pleasant to walk in the heart of the forest of the four pillars.
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Pleasant in spring when the plants are awakening :)
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Located at the crossroads, a small restored washhouse.
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The Avre aqueduct is one of the structures that supplies the city of Paris with drinking water. Inaugurated in 1893, it carries 80 million liters (out of a total of 680 million liters) per day from the Drouais in Eure-et-Loir. The water is transported by simple gravity: the altitude of the springs in the Avre region is 40 m higher than the level of the Saint-Cloud reservoir, their point of arrival. Several springs are captured in the Dreux region, in the Avre catchment basin.
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Away from the road, a very pleasant place to stop in the shade of the pergola.
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Tradition has it that Saint Sanctin, a missionary born in 270, bishop of Verdun and Meaux, passed through Auteuil. This small chapel was built on the site of the preaching in the 15th or 16th century. Above the door you can see a shell, indicating a stop on the road to Compostela. On the gable of the chapel is a bas-relief representing Saint Sanctin as a horseman blessing the faithful. Every year, on September 22, a procession joins the chapel from the church. On other days, the chapel is closed.
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Remarkable classified tree *** Pedunculate sessile oak with a height of 26m and a diameter of 1.55m.
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There are over 200 hiking routes in and around Boissy-Sans-Avoir, offering a wide range of options for all skill levels. These include 83 easy routes, 108 moderate trails, and 9 challenging hikes.
Hiking in Boissy-Sans-Avoir features a diverse landscape. You'll find trails traversing expansive agricultural plains, offering broad, open vistas, as well as shaded paths through significant forested areas, particularly in the southern half of the commune. This mix provides varied scenery and walking surfaces.
Yes, many of the routes around Boissy-Sans-Avoir are circular, allowing you to start and end your hike in the same location. An example is the moderate Autouillet Washhouse – Saint Sanctin Chapel loop from Auteuil, which is 7.8 km long.
The trails around Boissy-Sans-Avoir offer a mix of natural beauty and historical interest. You might encounter water features like Étang de Hollande or Rompu Pond, and significant trees like the Ascension Oak. Historical sites such as the Ruins of the Château de Beynes and various chapels also dot the landscape.
Yes, for experienced hikers seeking a challenge, there are 9 difficult routes available. One such demanding option is the Anne of Brittany Tower – Ascension Oak loop from Galluis, which covers 19.5 km and typically takes over 5 hours to complete.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. Hikers often praise the serene agricultural plains, accessible forested areas, and the well-developed network of trails that cater to various ability levels.
Yes, with 83 easy routes, there are plenty of options suitable for families. These trails typically feature less elevation gain and shorter distances, making them ideal for a relaxed outing with children. Look for routes under 2 hours in duration for the most family-friendly experiences.
While specific dog-friendly regulations can vary, many of the rural and forested paths around Boissy-Sans-Avoir are generally suitable for dogs, especially if kept on a leash. It's always recommended to check local signage and respect wildlife, particularly in forested areas.
Absolutely. The southern half of Boissy-Sans-Avoir is known for its forested areas. Routes like the Rando Didier... – Carrefour de Bourdonné loop from Garancières - La Queue lead through woodlands and open plains, offering a varied experience and shaded paths.
The diverse landscape of Boissy-Sans-Avoir makes it enjoyable for hiking across multiple seasons. Spring and autumn offer pleasant temperatures and beautiful scenery with blooming flowers or changing leaves. Summer provides lush green forests, while winter can offer crisp, quiet walks, especially in the open plains.
Yes, some routes in the vicinity incorporate picturesque water features. For example, the Four Pillars Forest – Étang de la Pimardière loop from Garancières - La Queue will take you past the Étang de la Pimardière, and the larger Étang de Hollande is also nearby.


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