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.
Last updated: July 2, 2026
4.7
(23)
55
riders
42.2km
02:55
100m
100m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(5)
45
riders
53.5km
04:31
700m
700m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.0
(1)
9
riders
40.7km
03:35
570m
570m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(4)
8
riders
29.9km
02:14
290m
290m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(4)
4
riders
23.1km
01:47
270m
270m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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nice little passage in a green tunnel
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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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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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