4.6
(176)
1,132
hikers
181
hikes
Hiking around Fontenay-Mauvoisin offers a diverse landscape characterized by river valleys, dense forests, and open calcareous grasslands. The region features varied terrain, from gentle riverside paths to more challenging ascents through wooded areas. Trails often connect rural villages with historical sites and natural viewpoints. This area provides a range of hiking experiences suitable for different fitness levels.
Last updated: May 24, 2026
4.4
(5)
32
hikers
11.0km
02:49
40m
40m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
13
hikers
8.92km
02:26
140m
140m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.0
(1)
10
hikers
10.9km
02:58
160m
160m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
7
hikers
13.1km
03:37
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(4)
7
hikers
21.0km
05:30
160m
160m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Very violent regarding car traffic... There's still work to be done to improve that.
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Very quiet footbridge over the Seine
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Very beautiful monument this Gothic Collegiate Church of Notre-Dame de Mantes-la-Jolie
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The Collegiate Church of Notre-Dame de Mantes-la-Jolie is a former collegiate church from the 12th and 13th centuries located in Mantes-la-Jolie (Yvelines, France) on the banks of the Seine. It was classified as a Historic Monument in 1840. This church is reminiscent of Notre-Dame Cathedral in Paris in style and in its elevation on three levels.
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A Bridge With strange colossi...!
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Several dozen kilometers from the center of Paris, the Notre-Dame de Mantes-la-Jolie collegiate church does not only have its name in common with the emblematic Parisian cathedral. Its facade, its style and its structure on three levels are very reminiscent of its big sister in the Ile-de-France region.
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There are over 170 hiking trails around Fontenay-Mauvoisin, offering a diverse range of experiences. These routes vary in difficulty, from gentle riverside paths to more challenging ascents through wooded areas.
Yes, Fontenay-Mauvoisin offers nearly 50 easy hiking routes perfect for beginners or families. A great option is the Walk Near the Gas Wells – Ferme des Huit Routes loop from Boissy-Mauvoisin, which is 4.1 miles (6.7 km) long and takes about 1 hour 44 minutes to complete, leading through rural paths and historical points.
The region's terrain is quite varied, characterized by river valleys, dense forests, and open calcareous grasslands. You'll find everything from gentle riverside paths to more challenging ascents through wooded areas, often connecting rural villages with historical sites and natural viewpoints.
Yes, many of the trails around Fontenay-Mauvoisin are circular, allowing you to start and end at the same point. For example, the Rosny Forest – Calcareous grasslands loop from Boissy-Mauvoisin is a moderate 8.5 miles (13.7 km) path that winds through varied scenery.
While hiking, you can discover several interesting landmarks. Consider visiting the historic Donjon and Fortified Site of Montchauvet or the impressive Collegiate Church of Notre-Dame de Mantes-la-Jolie. The region also features charming structures like Neauphlette Church and the grand Château de Tilly.
Yes, some trails offer excellent panoramic views. The Wash-house and manor house – Belvédère de Rolleboise loop from Rosny-sur-Seine is a difficult 12.1 miles (19.5 km) route that specifically highlights panoramic views from Belvédère de Rolleboise.
The region is enjoyable for hiking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, with blooming wildflowers or vibrant fall foliage. Summer is also popular, though some trails might be more exposed. Winter hikes are possible, especially on less challenging routes, allowing for a different perspective of the landscape.
The trails in Fontenay-Mauvoisin are highly rated by the komoot community, with an average score of 4.6 stars from over 150 reviews. Hikers often praise the diverse scenery, which includes quiet woodlands, open calcareous grasslands, and river valleys, as well as the well-maintained paths that connect rural villages and historical sites.
Absolutely. There are over 100 moderate routes in the area. A popular choice is the Saint-Maclou Tower loop from Mantes-la-Jolie, a 10.9 km (6.8 miles) trail that offers a good balance of distance and elevation, typically completed in about 2 hours 40 minutes.
Yes, for experienced hikers seeking a greater challenge, there are 18 difficult routes available. The Wash-house and manor house – Belvédère de Rolleboise loop from Rosny-sur-Seine, at 19.5 km (12.1 miles) and taking over 5 hours, is a prime example of a more demanding trail with significant elevation changes.
Many trails in Fontenay-Mauvoisin lead through extensive forests. The Rosny Forest – Calcareous grasslands loop from Boissy-Mauvoisin is a great example, winding directly through the varied scenery of Rosny Forest, offering shade and a tranquil atmosphere.
While not explicitly designated for wildlife, the diverse habitats of dense forests, river valleys, and open grasslands provide opportunities to observe local fauna. The The village of Vert – Red Squirrel loop from Mantes Station, for instance, suggests the presence of specific wildlife, making it a good option for nature enthusiasts.


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