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France
Ile-de-France
Mantes-La-Jolie

Issou

The best MTB trails around Issou

4.5

(279)

1,251

riders

169

rides

Mountain bike trails around Issou traverse the varied landscapes of the Yvelines department, often extending into the Vexin Regional Natural Park. The terrain typically features rolling hills, agricultural fields, and sections of woodland. Routes often follow river valleys and offer moderate elevation changes suitable for mountain biking.

Best mountain bike trails around Issou

  • The most popular mountain bike trail is Parc de l'Oseraie – Biotope du Bout du Monde loop from Gargenville, a moderate 26.1 miles (42.0 km) trail that takes 2 hours 53 minutes to complete. This route explores riverine landscapes and natural areas.
  • Another top favourite among local mountain bikers is Ferme Les Bonnes Joies – Lavoir de sailly loop from Issou - Porcheville, a moderate 25.3 miles (40.7 km) path. It features significant elevation changes and passes through agricultural and forested areas.
  • Local mountain bikers also love the Biotope du Bout du Monde – Parc de l'Oseraie loop from Gargenville, a 14.7 miles (23.7 km) trail leading through natural biotopes and parkland, often completed in about 1 hour 40 minutes.
  • Mountain biking around Issou is defined by rolling hills, agricultural fields, and dense woodlands. The network offers options for different ability levels, from easy park loops to more challenging routes with greater elevation.
  • The routes in Issou are highly rated by the komoot community with an average score of 4.5 stars from over 260 reviews. More than 1100 mountain bikers have used komoot to explore Issou's varied terrain.

Last updated: July 2, 2026

4.7

(23)

55

riders

#1.

Parc de l'Oseraie – Biotope du Bout du Monde loop from Gargenville

42.2km

02:55

100m

100m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Issou

Natural beauty on Île-de-France – mountain biking around Paris

Cycling around Issou

Road Cycling Routes around Issou

Hiking around Issou

Gravel biking around Issou

Running Trails around Issou

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Natural beauty on Île-de-France – mountain biking around Paris

Mountain Biking Collection by

Fred Urrutia

Tips from the Community

Sylvain Quartier
August 17, 2025, Tunnel végétal

nice little passage in a green tunnel

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Belle architecture

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Suard
July 21, 2025, Lavoir de sailly

history of our regions

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place marked by history

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Suard
July 21, 2025, Belle vue

magnificent view

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superb view, magnificent

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Panorama from Saint Sauveur Hill (Limay) above Mantes-la-Jolie. A must-see for all Mantes residents who want to gain height to admire the city and the meanders of the Seine. Facing west, this spot is perfect for watching a summer sunset. Picnic tables are available for a pleasant break. Next to the orientation table, what is said to be the remains of an ancient Viking gallows... Map link: https://maps.app.goo.gl/GCKTYRVBBraUSWJJ7

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ideal for taking a break in the shelter

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Frequently Asked Questions

How many mountain bike trails are available around Issou?

There are over 160 mountain bike trails around Issou, offering a wide variety of options for different skill levels and preferences. You can find routes ranging from easy loops to more challenging paths with significant elevation changes.

What is the general difficulty level of mountain biking trails near Issou?

The mountain bike trails around Issou cater to various skill levels. You'll find approximately 50 easy routes, over 100 moderate trails, and a few more challenging options for experienced riders. The terrain often features rolling hills, agricultural fields, and woodlands.

What kind of terrain can I expect on mountain bike trails around Issou?

Mountain bike trails around Issou traverse the varied landscapes of the Yvelines department, often extending into the Vexin Regional Natural Park. You can expect rolling hills, agricultural fields, and sections of dense woodland. Many routes follow river valleys and offer moderate elevation changes.

Are there family-friendly mountain bike trails in Issou?

Yes, there are several family-friendly mountain bike trails around Issou, particularly among the 50 easy routes available. These trails often feature less challenging terrain and shorter distances, making them suitable for riders of all ages. An example of an easier route is the Biotope du Bout du Monde – Parc de l'Oseraie loop from Gargenville, which is 14.7 miles (23.7 km) long.

What do other mountain bikers say about the trails around Issou?

The mountain bike routes in Issou are highly rated by the komoot community, with an average score of 4.5 stars from over 260 reviews. More than 1100 mountain bikers have used komoot to explore Issou's varied terrain, often praising the diverse landscapes and well-maintained paths.

Are there any interesting landmarks or attractions to see near the mountain bike trails?

Yes, while mountain biking around Issou, you can explore several interesting landmarks. Notable sites include the historic Notre-Dame Church in Vétheuil, the impressive Château de Jambville, and other charming religious buildings like the Saint-Séverin Church in Oinville-sur-Montcient. These offer cultural insights and scenic stops along your ride.

What is the best time of year for mountain biking in Issou?

The best time for mountain biking in Issou is generally during spring and autumn when the weather is mild and the natural scenery is at its most vibrant. Summer can also be pleasant, but it's advisable to ride earlier in the morning or later in the afternoon to avoid the midday heat. Winter rides are possible, but trails might be muddy or slippery, especially after rain.

Are there any circular mountain bike routes around Issou?

Yes, many of the mountain bike trails around Issou are designed as circular routes, allowing you to start and finish at the same point. For example, the popular Parc de l'Oseraie – Biotope du Bout du Monde loop from Gargenville and the challenging Ferme Les Bonnes Joies – Lavoir de sailly loop from Issou - Porcheville are both excellent circular options.

Can I bring my dog on the mountain bike trails around Issou?

While specific regulations for dogs on mountain bike trails in the immediate Issou area are not detailed, generally in the Vexin Regional Natural Park, dogs are permitted on trails if kept on a leash. It's always recommended to check local signage or park guidelines for any specific restrictions before heading out with your pet.

Are there mountain bike trails with significant elevation changes near Issou?

Yes, if you're looking for more challenging rides with significant elevation, you'll find options around Issou. For instance, the Ferme Les Bonnes Joies – Lavoir de sailly loop from Issou - Porcheville features over 560 meters of elevation gain, providing a good workout for experienced mountain bikers.

What are some longer mountain bike routes available?

For those seeking longer rides, Issou offers several extensive mountain bike routes. The Parc de l'Oseraie – Biotope du Bout du Monde loop from Gargenville is a moderate 26.1 miles (42.0 km) trail, and the The big oak – Vexin Valley loop from Gargenville covers 30.2 km (18.8 miles), offering ample distance for an extended adventure.

Are there any easy mountain bike routes for beginners?

Absolutely. Beginners can enjoy several easy mountain bike routes around Issou. The Biotope du Bout du Monde – Parc de l'Oseraie loop from Gargenville is a great option, spanning 14.7 miles (23.7 km) with minimal elevation, making it perfect for those new to mountain biking or looking for a relaxed ride. Another easy choice is The big oak – Relais Télé Climb loop from Gargenville.

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