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France
Ile-de-France
Mantes-La-Jolie

Mézy-Sur-Seine

The best walks and hikes around Mézy-Sur-Seine

4.5

(305)

1,866

hikers

184

hikes

Hiking around Mézy-Sur-Seine offers diverse landscapes within the Yvelines department, characterized by extensive natural areas. The region features the Seine River and its loops, providing riverside trails, alongside numerous fields and woodlands. Mézy-Sur-Seine is situated near the Vexin Français Regional Nature Park, contributing to a varied terrain suitable for outdoor pursuits. This area is known for its blend of natural beauty and historical points of interest.

Best hiking trails around Mézy-Sur-Seine

  • The most popular hiking route is Oinville loop from…

Last updated: July 5, 2026

4.8

(5)

62

hikers

#1.

Oinville loop from Oinville-sur-Montcient

9.81km

02:40

140m

140m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

4.6

(11)

23

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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4.6

(5)

12

hikers

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

5.0

(1)

17

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

4.5

(4)

7

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Mézy-Sur-Seine

Cycling around Mézy-Sur-Seine

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Tips from the Community

LR
July 25, 2025, Église Saint-Séverin d'Oinville-sur-Montcient

Belle architecture

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Many possibilities are accessible from this place.

Translated by Google

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Founded in 1127, the Saint-Séverin church in Oinville-sur-Montcient bears witness to the long history of this commune of Yvelines. However, the north wall of the nave is the only one to survive from this period. In a Gothic style, the church was then enlarged in the 16th century. Like many towns in Île-de-France, the church is part of the cultural heritage of Oinville-sur-Montcient and is classified as a historic monument.

Translated by Google

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Located in the town of Gaillon-sur-Montcient, the Notre-Dame-de-l'Assomption church is an architectural and historical gem. Its construction dates back to the 12th century, when a group of monks was sent there to cultivate these lands. The parish building would have been completed around the middle of the 13th century. It was then remodeled during the 16th century, which gives you a very fascinating building to contemplate.

Translated by Google

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We are here in the presence of a large dolmen discovered in 1768 by the villagers. They actually believed they had discovered the remains of a monastery. The stripping of the dolmen delivered leather spatulas, vases, ashes and flint knives. It was estimated in 1894 that this monument contained 150 skeletons. It was excavated in a more scientific way in 1899 by Mr. Mortillet and restored in 1970. The archives show the presence of roofing slabs until the 18th century. The dolmen consists of large sandstone slabs forming the pillars. The gaps between the pillars are filled with flat stones.

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Frequently Asked Questions

How many hiking trails are available around Mézy-Sur-Seine?

Mézy-Sur-Seine offers a wide variety of hiking opportunities, with over 180 routes available. These range from easy strolls to more challenging treks, catering to different fitness levels and preferences.

What kind of terrain can I expect on hikes in Mézy-Sur-Seine?

The region around Mézy-Sur-Seine is characterized by diverse landscapes. You'll find effortless walks through fields and woodlands, as well as pleasant trails along the Seine River and its loops. The area is also close to the Vexin Français Regional Nature Park, offering varied terrain and natural features.

Are there easy hiking options suitable for beginners or families?

Yes, Mézy-Sur-Seine has over 60 easy hiking routes. A good option for a more relaxed walk is the Hiking loop from Gaillon-sur-Montcient, which is 4.3 miles (6.9 km) long and takes about 1 hour 55 minutes, leading through open fields and forested sections.

Are there any challenging hikes in the Mézy-Sur-Seine area?

For those seeking a greater challenge, there are 13 difficult routes available. While specific challenging routes are not detailed here, the varied terrain, including areas within the Vexin Français Regional Nature Park, provides opportunities for more strenuous hikes.

What are some notable landmarks or attractions I can see while hiking?

Hikers can explore several points of interest. The historic Château d'Hardricourt is a notable landmark, and further afield, the Château de Théméricourt offers a park with a pond. You might also encounter the Saint-Séverin Church in Oinville-sur-Montcient or the Sainte-Thérèse-de-l'Enfant-Jésus Church of Élisabethville.

Are there any circular hiking routes around Mézy-Sur-Seine?

Yes, many routes in the area are circular. For example, the Hiking loop from Oinville-sur-Montcient is a moderate 10 km (6.2 miles) route that allows you to start and finish in the same location.

What do other hikers enjoy most about hiking in Mézy-Sur-Seine?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 240 reviews. Reviewers often praise the diverse landscapes, including the quiet woodlands and scenic riverside paths, as well as the well-maintained trails that cater to various skill levels.

Are the hiking trails around Mézy-Sur-Seine accessible by public transport?

Mézy-Sur-Seine is located within the Yvelines department, which has developed extensive pedestrian and cycle paths, often connecting to local towns. While specific public transport links to trailheads vary, the region's infrastructure aims to improve accessibility to natural areas.

Are there specific trails that offer views of the Seine River?

Yes, the presence of the Seine River is a central feature of the region. Major development work has enhanced its riverbanks, providing numerous walking and cycling trails. These 'Chemins de Seine' offer extensive opportunities to enjoy views of the river and its loops.

What is a good moderate hike to experience the local countryside?

A popular moderate route is the Oinville loop from Juziers. This 7.9-mile (12.7 km) path offers varied terrain through fields and woods, often with scenic views of the surrounding area, and takes approximately 3 hours 35 minutes to complete.

Are there any lakes or ponds accessible near the hiking trails?

Yes, the region features several natural water bodies. You might find the Étang de Gallardon, Hautil Pond, or Val de Rueil Pond in the vicinity, offering peaceful spots for a break or picnic.

What is the best time of year to go hiking in Mézy-Sur-Seine?

The Yvelines department, where Mézy-Sur-Seine is located, is known as the 'green lung of the Paris Region,' making it enjoyable for hiking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, while summer provides longer daylight hours. Even in winter, many trails through fields and woods remain accessible, though some paths might be muddy.

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Most popular attractions around Mézy-Sur-Seine

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