4.7
(110)
616
hikers
112
hikes
Hiking around Longnes offers exploration of a tranquil commune in the Yvelines department of France, characterized by its serene countryside and rural setting. The area features verdant landscapes, including ample greenery and lavender groves. Positioned at the border of Yvelines and Eure-et-Loire, Longnes provides a countryside experience within the western part of Ile-de-France.
Last updated: June 21, 2026
5.0
(3)
22
hikers
13.7km
03:43
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
19
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.8
(4)
23
hikers
11.8km
03:11
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
6
hikers
13.1km
03:27
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
6.73km
01:46
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Dating back to the 17th century, this beautiful property is nestled in a bucolic landscape. Documents attest to its authentication by King Louis Philippe in 1840. At the time, it belonged to Mahieu, a local lord. In the 19th century, there were no fewer than 31 flour mills, 3 tanning mills, and 1 oil mill along the Vaucouleurs River.
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Magnificent place full of history, many paths in the surrounding area
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The regional forest of Rosny is the green lung of the north-west of Île-de-France, with 1,751 hectares of wooded areas classified as a Natura 2000 site. It is located on a plateau which offers beautiful viewpoints when the landscape emerges.
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Very nice passage, you can even stop there to fill the cans thanks to a drinking fountain just below!
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One of the most beautiful Ile de France villages with its many vestiges.
2
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Five points to see in this village: the church and its fortifications, the Porte de Bretagne, the wash house, the pink house - which turns out to be a restaurant called 'the green mare', the graves of the six Australian aviators with the messages engraved with their loved ones.
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Last of the three gates of the body of walls which surrounded the old stronghold. The grooves of the harrow are still visible.
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One of the most beautiful villages of Île de France accessible by a small climb whatever your route of arrival. Several historical monuments to see: first of all the 12th and 13th century church, the ruins of the keep which are the remains of a castle having been the scene of a battle during the Hundred Years War, and the arch of the gateway to Brittany.
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Longnes offers a wide variety of hiking opportunities, with over 100 routes available. These trails cater to different preferences, including easy strolls and more challenging excursions through the tranquil countryside.
The trails around Longnes are diverse, with options for various fitness levels. You'll find approximately 27 easy routes, 71 moderate trails, and 7 more difficult paths, ensuring there's something for everyone from casual walkers to experienced hikers.
Hiking in Longnes immerses you in a serene rural setting characterized by verdant countryside, ample greenery, and even groves of lavender. The area, situated at the border of Yvelines and Eure-et-Loire, offers a picturesque escape with a true countryside experience.
Yes, Longnes is rich in history. You can encounter historical monuments such as a 12th or 13th-century church, the ruins of a keep from the Hundred Years' War, and the arch of the gateway to Brittany. The Neauphlette Church is also a notable landmark embraced by lush greenery. For more historical exploration, consider visiting the Donjon and Fortified Site of Montchauvet.
Many of the trails around Longnes are designed as loops, offering convenient circular walks. For example, the Porte de Bretagne loop from Dammartin-en-Serve is a popular moderate route leading through historical areas, often completed in about 3 hours.
For an easy and gentle walk, consider the Walk Near the Gas Wells – Ferme des Huit Routes loop from Boissy-Mauvoisin. This 4.2-mile (6.7 km) path offers a pleasant stroll through rural scenery. Another easy option is the Ferme des Huit Routes loop from Boissy-Mauvoisin, which is similar in length and difficulty.
The hiking routes in Longnes are highly regarded by the komoot community, boasting an average score of 4.6 stars from over 100 reviews. More than 500 hikers have used komoot to explore the varied terrain, often praising the serene countryside and well-maintained paths.
Yes, with a significant number of easy and moderate trails, Longnes offers many options suitable for families. The gentle terrain and picturesque scenery make for enjoyable outings with children. Look for the 'easy' graded routes for the most family-friendly experiences.
Generally, dogs are welcome on most public hiking trails in rural areas like Longnes. However, it's always advisable to keep your dog on a leash, especially when passing through agricultural land or near livestock, and to respect local regulations regarding pet access.
For those seeking a longer and moderately challenging experience, the Rosny Forest – Calcareous grasslands loop from Boissy-Mauvoisin is an excellent choice. This 8.5-mile (13.7 km) route takes approximately 3 hours 42 minutes to complete and leads through varied natural landscapes. Another moderate option is the Porte de Bretagne loop from Montchauvet, covering 13.3 km.
The verdant countryside and lavender groves suggest that spring and summer offer particularly beautiful conditions for hiking in Longnes, with pleasant temperatures and blooming flora. Autumn also provides stunning colors. Winter hiking is possible, but conditions may vary, so check local weather forecasts.
As a tranquil rural commune, Longnes typically offers accessible parking options near popular trailheads and village centers. While specific parking lots may not be signposted for every route, you can usually find suitable places to park in the starting villages like Boissy-Mauvoisin or Dammartin-en-Serve.


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