Banks of the Oise River – Chemin de la Petite Plaine loop from Franconville – Le Plessis-Bouchard

Mountain biking trails

Banks of the Oise River – Chemin de la Petite Plaine loop from Franconville – Le Plessis-Bouchard

Moderate

4.1

(14)

riders

Banks of the Oise River – Chemin de la Petite Plaine loop from Franconville – Le Plessis-Bouchard

03:31

52.9km

260m

Mountain biking

Moderate mountain bike ride. Good fitness required. The starting point of the route is accessible with public transport.

Last updated: October 16, 2026

Tips

Cycling is not permitted along parts of this route

After 7.14 km for 84 m

After 40.2 km for 111 m

After 52.5 km for 62 m

Waypoints

Start point

Train Station

Get Directions

2.40 km

Zone de régénération de la flore (Accès interdit)

Nature Reserve

2.80 km

Bois de Boissy

Forest

7.18 km

Bassin sec n°1

Lake

13.0 km

Banks of the Oise River

Highlight • River

Bucolic to do even when it's hot

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Tip by

15.9 km

Singletrack along the Oise

Highlight (Segment) • Trail

Fields on one side and the Oise on the other.

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Tip by

18.7 km

L'Isle-Adam is a very charming town with its bridges (such as the Cabouillet bridge) and its alleys along the Oise. This city has many green spaces ideal for walks or jogging. It is also located in the heart of many forests such as the one that bears its name, the Carnelle forest or the Vexin PNR.

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Tip by

20.1 km

Lock of the Marina at the Isle Adam leisure port

Highlight • Structure

Unmissable passage to take to stay along the banks of the Oise. It's brand new and the setting is very nice. You have a restaurant with a terrace along the lock to relax if necessary.

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Tip by

20.9 km

Chemin de la Petite Plaine

Highlight (Segment) • Trail

Interesting natural space, located on the banks of the Oise.
A mosaic of habitats has been created ranging from dry to wet, herbaceous to wooded, to result in a site of ecological, avifaunistic (birds), piscicultural (fish) and floristic interest.
This site is mainly made up of herbaceous areas (hay meadows and pastures) punctuated by thickets, hedges and clump trees and isolated (rows of pollard willows).
These formations allow the nesting of unusual birds in Ile-de-France, the constitution of a migratory staging area and feeding for migrating and wintering birds using the Oise Valley as a migration axis and the appearance of rarer plant species.
The creation of a landscaped body of water, with sinuous contours endowed with varied habitats, constitutes a suitable nesting place for ubiquitous birds such as the Great Crested Grebe, the Eurasian Coot or even more rare species, the Little Grebe.
The reconstituted common reed reed beds are also of notable ornithological interest, being favorable for the nesting of infrequent paludicole species (which live in marshes). This plant structure can also serve as a roost for certain migratory species of passerines.
Source:
ville-isle-adam.fr/ma-ville/decouvert-lisle-adam/ville-parc/la-zone-de-biodiversite-de-la-rosiere
Other link:
iasef.fr/index.php/espace-biodiversite-de-la-rosiere

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Tip by

25.2 km

Étang des Trois Sources

Highlight • Lake

The Trois Sources pond is a beautiful place built on a former quarry which breathes nature and where you can observe many birds, moorhens, swans, ducks and barnacle geese.

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Tip by

27.8 km

Conti Castle

Highlight • Castle

The Château Conti is in fact today a pretty bourgeois house built on the site of the old châteaux of the lords of L'Isle-Adam. The list is far from short: the Adam de L’Isle, the Villiers de L’Isle-Adam, the Montmorency and the Bourbon-Conti. The castle of Conti was abandoned until 2005, when the municipality began renovations. We appreciate the unobstructed view of the building and its park.

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Tip by

35.4 km

Château d’Auvers

Highlight • Castle

The castle of Auvers was erected by an Italian financier close to Marie de Médicis. In 1890, it was immortalized by Van Gogh in one of his famous paintings, "The castle of Auvers at sunset".

Today it is a museum where Impressionist painters are exhibited. You can also walk in the park and the Italian gardens.

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Tip by

38.9 km

Oise

Lake

45.1 km

Les Brosses

Forest

52.9 km

End point

Train Station

Way Types & Surfaces