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Road cycling routes
France
Ile-de-France
Palaiseau

Chilly-Mazarin

The best road cycling routes around Chilly-Mazarin

4.3

(707)

12,110

riders

602

rides

Road cycling around Chilly-Mazarin offers a diverse environment within the Essonne department of the Île-de-France region. The area features a mix of green corridors, regional parks, forests, farmlands, and valleys, with many routes following watercourses like the Yvette River. Cyclists can expect varied terrains, from flat sections to challenging climbs, integrated into a regional network of green spaces. This landscape provides options for different skill levels, from leisurely rides through natural parks to longer, more demanding routes.

Best road cycling…

Last updated: July 4, 2026

4.5

(4)

79

riders

#1.

Étang de Marcoussis – Château de Montagu loop from Gravigny Balizy

34.1km

01:33

260m

260m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Tips from the Community

JEAN PIERRE AMBROISE
April 23, 2026, Château de Janvry

Beautiful castle in the village of Janvry

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The snail's hill: training at Marcoussis is climbed seated, developing 44x19 or 42x18. The secret is to spin.

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photo break for the cycling group.

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Ah, the Montaigne hill, when it's at the end of the course it can hurt, but it also tells us that we're almost there.

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Pretty building at Bordes which forms the entrance to the castle.

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Ideal for a coffee break. There's a bar and a pastry shop that makes delicious macarons! There's a water fountain next to the church, a little further on.

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The parish of Pecqueuse is part of a whole called "The Pastoral Sector of Limours", a sector divided into three groups. Pecqueuse depends in particular on the Limours group. The Saint Médart church is open every first Saturday of the month at 6 p.m. in winter, 6:30 p.m. in summer for Sunday mass. It has existed, probably in wood since the 11th century. The current church, with a single nave, was built in several stages; the choir being the oldest part, probably from the 13th century, local style vaulted in a cul-de-four then enlarged at the end of the 15th century. The altar and the altarpiece date from the 18th century, the woodwork of the choir in gray and gold perhaps comes from the grand seminary of Versailles. The altar painted in faux marble is decorated with an imposing tabernacle, also painted in gray and gold.

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Nice coast in the middle of the forest

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Frequently Asked Questions

How many road cycling routes are available around Chilly-Mazarin?

There are over 570 road cycling routes around Chilly-Mazarin, offering a wide variety of options for different skill levels and preferences. Approximately 66 of these are considered easy, while over 420 are moderate, and about 76 are more difficult.

Are there easy road cycling routes suitable for beginners or a relaxed ride?

Yes, Chilly-Mazarin offers numerous easy routes. For instance, the Ruisseau de Chauffour loop from Gravigny Balizy is an easy 33.3 km path, often following natural water features for a relaxed ride. The 'Boucle Bassin de Carouge – Parc naturel du Perray' is another easier option through natural parkland, and the 'Boucle Bassin de Saulx – Bassin de Saulx-les-Chartreux' is a shorter 15.1 km route.

What kind of challenging road cycling routes can I find near Chilly-Mazarin?

For those seeking a challenge, routes like the Janvry Fountain – Côte de Senlisse loop from Chilly-Mazarin offer significant elevation gain over 92 km. The 'Une belle montée sécurisée – Descente du Rocher de Saulx' loop also features challenging climbs and descents, requiring good physical condition for some segments.

What kind of landscapes and scenery can I expect on road cycling routes in this region?

The region around Chilly-Mazarin offers diverse landscapes, including green corridors, regional parks, forests, farmlands, and valleys. Many routes follow watercourses like the Yvette River, providing pleasant riverside scenery. You'll encounter a mix of natural and semi-natural areas, including the Bois de Saint-Eloi and Plaine de Balizy, which are classified as sensitive natural spaces.

Are there any historical landmarks or points of interest along the road cycling routes?

Yes, the area is rich in historical and natural points of interest. You can cycle past the Montlhéry Tower, explore the Château de la Solitude, or discover the Old Bridge of Balizy (Pont des Templiers) hidden within the Templar Woods. Routes like the Breteuil Castle – Janvry Fountain loop from Gravigny Balizy specifically explore the countryside between historical points.

Are there circular road cycling routes available around Chilly-Mazarin?

Yes, many road cycling routes in the Chilly-Mazarin area are designed as loops, allowing you to start and end at the same point. Examples include the Bullion Church – Janvry Fountain loop from Gravigny Balizy and the 'Boucle Étang de Trévoix – Parc naturel du Perray', which are popular circular options.

What do other road cyclists enjoy the most about road cycling in Chilly-Mazarin?

The road cycling routes around Chilly-Mazarin are highly rated by the komoot community, with an average score of 4.3 stars from over 500 reviews. Cyclists often praise the diverse terrain, the integration with green spaces and regional parks, and the well-maintained network that caters to various skill levels.

Are there family-friendly road cycling options in the Chilly-Mazarin area?

While specific family-friendly routes are not detailed, the presence of numerous easy routes and greenways suggests suitable options. The Coulée Verte (Greenway) offers a car-free route with peaceful surroundings, picnic areas, and playgrounds, which can be ideal for families, though it does include some significant climbs.

Can I access road cycling routes using public transport in Chilly-Mazarin?

The region benefits from a well-developed cycling infrastructure that integrates with regional networks. While specific public transport connections for bikes are not detailed, the proximity to Massy and the 'La Véloscénie d'IDF' path, which ends on a cycling path towards Massy, suggests public transport access points are available for cyclists.

Are there any natural parks or protected areas that road cycling routes pass through?

Yes, many routes traverse or connect to significant natural areas. You can cycle through the Parc naturel du Perray, explore the Bois de Saint-Eloi and Plaine de Balizy (classified as sensitive natural spaces), and routes often follow the Yvette River. The cycling network also connects to larger regional natural parks, offering extended rides through protected landscapes.

What is the longest road cycling route recommended in the area?

Among the top routes, the Janvry Fountain – Côte de Senlisse loop from Chilly-Mazarin is a substantial ride covering 92.2 km. Other long routes include the Château du Mesnil-Voisin – Janvry Fountain loop from Gravigny Balizy at 82.3 km.

Most popular routes around Chilly-Mazarin

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