4.5
(2941)
20,950
hikers
936
hikes
Hiking around Toussus-Le-Noble provides access to the Parc Naturel Régional de la Haute Vallée de Chevreuse, characterized by rolling hills, dense forests, and meandering river valleys. The terrain features extensive green spaces, including areas around the local aerodrome, which support diverse flora and fauna. Ponds and the Yvette valley add to the natural features, offering varied landscapes for outdoor activities.
Last updated: May 7, 2026
4.5
(4)
20
hikers
14.6km
03:55
180m
180m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
13
hikers
7.77km
02:01
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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7
hikers
22.3km
06:08
370m
370m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
6
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
6
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Memorial dedicated to a British Lancaster bomber that fell over the town of Montigny-le-Bretonneux: on the night of June 7-8, 1944, this Lancaster, number ND765 of Squadron 622, was shot down by flak during a raid on Évreux. The aircraft crashed between the Manet district and the Plan de l'Eglise, and the 7-man crew were killed instantly. They are now buried in the Viroflay cemetery.
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Viltain Farm then the singletrack further west is a little paradise. Landslide (04/2025) on the way back
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A bit muddy in places in January
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The history of the Trou Salé farm dates back to the end of the French Revolution. The Thierry family has been there for four generations. The farm was previously attached to the old Toussus farm, located in the center of the village. Today, the farm produces cereals sold on national markets.
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This church is located on the site of an ancient priory attested in 1069. At that date, the knight Amaury, son of Geoffroy de Gometz, built a church, established canons there, then gave it, in 1074, to the monastery of Saint-Pierre de Bourgueil, with the consent of his overlords, Gui Ier de Montlhéry and his brother Hugues de Châteaufort.
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Coordinates: 48.75101/ 2.05141 Location of Hélène Boucher's accident, on November 30, 1934, at the controls of the Caudron C 430 Rafale N°02 F-AMVB. https://www.aerosteles.net/stelefr-magny-boucher
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well laid out across the marsh
4
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beautiful forest
2
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There are nearly 1000 hiking routes around Toussus-le-Noble, offering a wide variety of options for all skill levels. Over 500 of these are considered easy, with another 380 moderate and 76 difficult trails.
The terrain around Toussus-le-Noble, particularly within the Parc Naturel Régional de la Haute Vallée de Chevreuse, is characterized by rolling hills, dense forests, and picturesque river valleys. You'll find extensive green spaces, including areas around the local aerodrome, and scenic water features like ponds and the Yvette valley.
Yes, Toussus-le-Noble offers many family-friendly hiking options, with over 500 easy routes available. These trails often pass through pleasant woodlands and green spaces, providing a gentle introduction to nature for children. For example, the area around the aerodrome features diverse flora and fauna that can be interesting for all ages.
Many trails in the Parc Naturel Régional de la Haute Vallée de Chevreuse are dog-friendly, but it's always best to check specific route details for any restrictions, especially regarding nature reserves or private lands. Generally, dogs on a leash are welcome on most public footpaths.
While hiking around Toussus-le-Noble, you can discover a blend of natural beauty and historical heritage. The region is rich with cultural sites such as the medieval La Madeleine Castle and the Breteuil Castle. Natural features include the meandering Yvette valley, various ponds, and dense forests characteristic of the Haute Vallée de Chevreuse.
Yes, many of the hiking routes around Toussus-le-Noble are circular, allowing you to start and end at the same point. An example is the Bièvre Valley in Buc – Geneste Pond loop from Buc, which offers a scenic 14.1 km journey through the valley and past the pond.
The best time to hike around Toussus-le-Noble is typically during spring, summer, and autumn. Spring brings blooming flora, while summer offers warm weather for long walks. Autumn provides beautiful foliage. Winters can be chilly, but the forests still offer serene hiking experiences.
The hiking trails around Toussus-le-Noble are highly rated by the komoot community, with an average score of 4.5 stars from over 2,700 reviews. Hikers often praise the quiet woodlands, varied landscapes, and the opportunity to explore both natural beauty and historical sites within the Parc Naturel Régional de la Haute Vallée de Chevreuse.
While much of the region features rolling hills, some routes do offer more significant elevation changes. For a moderate challenge, consider the Footbridge – Stairway to the Sky loop from Villiers-le-Bâcle, a 13.9 km path that includes notable ascents and descents.
Hike durations vary widely depending on the route and your pace. Many popular moderate trails, such as the Pastoral Cow Pasture – Les Loges-en-Josas loop from Jouy-en-Josas (13.7 km), can take around 3.5 to 4 hours to complete. Shorter, easier routes are also available for quicker excursions.
Toussus-le-Noble is situated near the Parc Naturel Régional de la Haute Vallée de Chevreuse, which is accessible by public transport from Paris and surrounding towns. While specific trailheads might require a short walk or local bus connection, the region is generally well-served for access to its extensive trail network. We recommend checking local bus schedules for the most up-to-date information.
Yes, the region combines natural beauty with rich cultural heritage. You can find trails that lead past historical sites like the Calvary of the Croix-du-Bois – Abbey of Port-Royal-des-Champs loop from Châteaufort, which takes you near the historic Abbey of Port-Royal-des-Champs. Many routes also offer views or direct access to various castles in the area.


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