4.4
(403)
1,883
riders
192
rides
Mountain biking around Grisy-Les-Plâtres offers routes through the Vexin Français Regional Natural Park, an area known for its preserved natural beauty. The terrain features an agricultural plateau with views over cereal crops, and includes wooded sections and hills. This region provides a scenic backdrop for rides, with varied landscapes including the National Nature Reserve of the Seine hillsides.
Last updated: October 12, 2026
3.5
(2)
18
riders
25.4km
02:04
380m
370m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(1)
11
riders
20.6km
01:54
370m
370m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
3
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
2
riders
22.9km
01:52
250m
250m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Very beautiful trees with a clear view, between the end of the climb and the start of the slide
1
0
I would like to see a diplodocus come out from between the trees 🌳, the site gives off such a feeling of time.
0
0
There are over 180 mountain bike routes around Grisy-Les-Plâtres, offering a wide range of options for different skill levels. This includes 57 easy routes, 122 moderate routes, and 7 more challenging trails.
The terrain around Grisy-Les-Plâtres is diverse, featuring an agricultural plateau with scenic views over cereal crops, wooded sections, and rolling hills. Many routes traverse the Vexin Français Regional Natural Park, known for its preserved natural beauty, including areas like the National Nature Reserve of the Seine hillsides.
Yes, there are several easy routes suitable for families. An example is the Large Path in the Woods – Jean's wood. Mountain bike spot loop from Le Heaulme, which is 11.9 km long and leads through a pleasant wooded area, perfect for a relaxed family outing.
The region is rich in natural beauty. You can find stunning views of the Vexin countryside, especially from elevated points. Consider visiting the View of the Vexin, or exploring areas like the Butte de Rosne. The Vexin Français Regional Natural Park itself offers preserved landscapes and biodiversity.
Yes, the area features several points of interest. You could explore routes that pass near the Moussy Castle or the Château d’Auvers. For a unique experience, the Axe Majeur footbridge and its old railway line with a notable descent in Cergy are also within reach for longer excursions.
The mountain bike trails around Grisy-Les-Plâtres are highly regarded by the komoot community, with an average rating of 4.4 stars from over 330 reviews. Many riders appreciate the varied terrain, the scenic agricultural plateaus, and the peaceful wooded sections within the Vexin Français Regional Natural Park.
Yes, many of the routes around Grisy-Les-Plâtres are circular, making them convenient for starting and ending at the same point. An example of a moderate circular route is the GR along the Dampont woods – Chaussée Jules César loop from Cormeilles-en-Vexin, which covers 27.0 km.
For experienced riders looking for a moderate challenge, the Forest trail – Canyoning and piloting! loop from Haravilliers is a great option. This 21.9 km trail leads through varied forest terrain and is often completed in about 2 hours, offering engaging sections for piloting.
Absolutely. For those seeking longer rides, the Remarkable manor farm – fairly muddy loop from Vallangoujard is a moderate 41.5 km route. Another substantial option is the Fairly muddy – Saint-Rémi Church loop from Vallangoujard, which spans 32.2 km.
The Vexin Français Regional Natural Park, where Grisy-Les-Plâtres is located, offers pleasant conditions for mountain biking during spring, summer, and autumn. Spring brings blooming fields, while autumn showcases beautiful foliage. Summer is generally warm, but shaded wooded sections provide relief. Winter conditions can make some trails muddy, especially those described as 'fairly muddy' in their names.
Yes, the region has several natural monuments. You might find interest in the Auversian Geological Site or the ancient trees like The Ancient Chestnut Trees of Butte de Marines. These add a unique natural element to your ride.


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