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Road cycling routes
France
Ile-de-France
Palaiseau

Briis-Sous-Forges

The best road cycling routes around Briis-Sous-Forges

4.5

(346)

7,731

riders

20

rides

Road cycling routes around Briis-Sous-Forges traverse a varied landscape within the Haute Vallée de Chevreuse Regional Nature Park. The terrain features a mix of forests, such as the Bois de Croulard, and open valleys, with altitudes ranging from 87m to 173m within the commune. Routes often utilize mostly paved surfaces, including departmental roads and dedicated cycle paths, providing dynamic cycling with ascents and descents. The region's natural features include the Yvette River and views from structures like the Fauvettes Viaduct.

Last updated: May 16, 2026

4.5

(2)

43

riders

#1.

Janvry Fountain – Janvry Castle loop from Briis-sous-Forges

30.4km

01:15

160m

160m

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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Moderate

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

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

Easy

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

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult 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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Pretty building at Bordes which forms the entrance to the castle.

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Gorgeous

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cute and very smooth road.

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Very pretty village but few shops! Choose Clairefontaine for supplies

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Magnificent wash house and its lake...

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Nice climb to warm up

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A village of medieval origin, Rochefort en Yvelines is well worth a little detour, as the town has retained its picturesque character with its old houses and cobbled streets, and in its center the small market square, a quiet spot near the bakery with a fountain. The most curious, and the bravest, will go up (on foot) to the church which overlooks the town and the forest. You will also see the remains of the fortified castle hidden in the woods.

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Frequently Asked Questions

What kind of terrain can I expect when road cycling around Briis-sous-Forges?

The region offers a varied landscape within the Haute Vallée de Chevreuse Regional Nature Park. You'll find a mix of forests, open valleys, and varying altitudes, ranging from 87m to 173m within the commune. Routes often utilize mostly paved surfaces, including departmental roads and dedicated cycle paths, providing dynamic cycling with both ascents and descents. The broader Brie region also features a plateau between 100-200 meters, contributing to diverse terrain.

Are there challenging climbs for experienced road cyclists in the area?

Yes, for experienced cyclists seeking a challenge, the region offers notable ascents. The Milon-la-Chapelle Wall is particularly renowned as one of the steepest climbs in the Chevreuse valley, providing a significant test of endurance.

How many road cycling routes are available around Briis-sous-Forges?

There are 18 road cycling routes available around Briis-sous-Forges. These include 4 easy routes and 14 moderate routes, catering to various skill levels.

What are some scenic natural features I might encounter on a road cycling route?

You can enjoy a rich natural heritage. Routes often pass through forests like the Bois de Croulard and offer magnificent views over valleys, such as those seen from the Fauvettes Viaduct. The Yvette River also flows through the region, with a pleasant Yvette Riverside Path that can be appreciated from nearby roads.

Are there any historical landmarks or attractions to see while cycling?

Absolutely. The area is rich in history. You might pass by the historic Saint-Denis Church, dating from the 11th and 12th centuries, or the remains of a feudal castle, including the 'Tour Anne Boleyn'. Further afield, within the wider Chevreuse valley, the unmissable La Madeleine Castle offers exceptional views and insights into medieval history.

What do other road cyclists say about the routes in Briis-sous-Forges?

The road cycling routes in Briis-sous-Forges are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Cyclists often praise the preserved natural environment, the mix of rural roads, and the scenic views through the countryside.

Can you recommend a moderate-difficulty loop for road cycling?

A popular moderate-difficulty option is the Château des Bordes – La Celle-les-Bordes loop from Briis-sous-Forges. This route covers approximately 50.5 km and offers a mix of rural roads and scenic views through the countryside.

Is there an easy road cycling route suitable for a more relaxed ride?

Yes, for an easier ride, consider the Château du Marais – Bullion Church loop from Briis-sous-Forges. This trail is about 44.7 km long and leads through varied landscapes, making it a pleasant option for a relaxed outing.

What is a longer road cycling route option in the area?

For a longer ride, the La Celle-les-Bordes – Château des Bordes loop from Briis-sous-Forges is a great choice. This route spans approximately 62.6 km and offers a substantial journey through the local scenery.

What is the best time of year to go road cycling in Briis-sous-Forges?

The region is generally pleasant for cycling throughout the warmer months. Spring and autumn offer comfortable temperatures and beautiful scenery, while summer provides longer daylight hours. Always check local weather conditions before heading out.

Are there any specific natural monuments or unique trees to look out for?

Yes, the area features several remarkable natural monuments. You might discover The Oak of Petit Launay or The 11 Remarkable Oaks of Méridon Forest, which are notable natural features along some routes.

How can I access Briis-sous-Forges by public transport for cycling?

While specific public transport options directly to Briis-sous-Forges for cyclists can vary, the region is part of the Île-de-France, which has a comprehensive public transport network. It's advisable to check local RER or bus services for routes that accommodate bicycles, especially during off-peak hours, to reach the general vicinity.

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