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France
Ile-de-France
Palaiseau

Les Ulis

The best running trails around Les Ulis

4.0

(15)

685

runners

29

runs

Jogging routes Les Ulis offer access to a variety of green spaces and natural features within this southern Paris commune. The region is characterized by numerous parks, including the expansive Parc Nord and South Park, providing well-maintained paths and open areas suitable for running. Green corridors like the Coulée Verte de Châtenay-Malabry integrate nature into the urban environment, while the historic Étangs de Saclay offer serene pond-side running opportunities. The city's design, which separates pedestrian and motor vehicle traffic, further enhances its suitability for outdoor exercise.

Best jogging routes around Les Ulis

  • The most popular jogging route is Bois Persan – Old Sand Quarry loop from Orsay, a 6.5 miles (10.5 km) trail that takes 1 hour 10 minutes to complete. This route explores forest terrain and former quarry areas.
  • Another top favourite among local runners is Old Sand Quarry – Bois Persan loop from Orsay, a moderate 6.0 miles (9.6 km) path. This running route features varied terrain through wooded areas and open spaces.
  • Local runners also love the Forêt Parc Nord loop from Orsay, a 4.3 miles (6.9 km) trail leading through forest and the extensive Parc Nord, often completed in about 46 minutes.
  • Jogging around Les Ulis is defined by green spaces, parks, and ponds, offering a blend of urban and natural environments. The network provides options for easy, moderate, and difficult running experiences.
  • The routes in Les Ulis are highly rated by the komoot community with an average score of 3.75 stars from over 10 reviews. More than 600 runners have used komoot to explore Les Ulis's varied terrain.

Last updated: July 4, 2026

4.0

(2)

171

runners

#1.

Bois Persan – Old Sand Quarry loop from Orsay

10.2km

01:08

140m

140m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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4.5

(4)

55

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

39

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Les Ulis

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Tips from the Community

Jean Conquer 🇫🇷🇺🇸
January 28, 2025, ⛪✨Saint-Paul de Chevry - Église Catholique

The Saint-Paul church is part of the Saint-Paul Center, which is an ecumenical center that hosts the services of the Anglican Church, the Baptist Protestant Church and the United Protestant Church. The construction of the Saint Paul Center began in 1978 and was completed in 1984. On April 16, 1984, the three bells (Isabelle, Claire, Marie-Emmanuelle) were blessed, while on April 19, Mayor Robert TRIMBACH handed over the keys to the church to Monsignor HERBULOT, Bishop of Corbeil. The Center also hosts Anglican and Baptist services. The Center was built by Mr. CORNET-VERNET, who was able to integrate the location of the church in the center of the village and the desire to make this place a poly-cultual and ecumenical building. He was also inspired by the traditional churches of Hurepoix, with their tall spires. The architect explains the guidelines: "This center designed as a house, "the house of God", but also the home of the community of believers of this Hurepoix clearing, has for me the shape of an abbey, with its church, of course, its cloister, its school of faith open to all ages and all horizons, to be a place of prayer and worship, a reception point, a teaching center, a space for celebration and praise. It also wants to be a sign in the city, by its location at the very heart of the community facing the main square of the city, by its spire, a new landmark on this site of the plateau, by its intimate integration into the neighborhood that surrounds it. "

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Exode
January 12, 2025, Viaduc des Fauvettes

Great view when you are at the top of the viaduct!

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from below or above the two paths take you to the beautiful village of Gometz le chatel

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nice place to take a break and discover the panorama from this viaduct

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Like the nearby Fauvettes viaduct, the Montjay tunnel once served as the old Paris-Chartres railway line. In the middle of the communal forest of Bures-sur-Yvette, it punctuates the straight and rolling line leading to the viaduct.

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The Persan wood has a wide variety of courses on a reduced perimeter for running in nature. Climbs, descents, flats, single tracks, rolling paths and even sandpit, everything is there to alternate exercises and pleasures.

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Disused railway bridge once used to connect Paris to Chartres, it is now open to the public. The views it offers over the Chevreuse valley and the forest of Bures-sur-Yvette are magnificent. Crossing it while running increases the beauty of the landscape tenfold.

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Armelle
September 14, 2022, Tunnel de Montjay

Superb view of the forest from the tunnel and acoustics + special atmosphere in the tunnel! + great spot for photo lovers.

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Frequently Asked Questions

What kind of running routes can I find in Les Ulis?

Les Ulis offers a diverse range of running routes, primarily characterized by green spaces, parks, and ponds. You'll find well-maintained paths through areas like Parc Nord, green corridors such as the Coulée Verte de Châtenay-Malabry, and serene routes around the historic Étangs de Saclay. The city's design, separating pedestrian and motor vehicle traffic, enhances the running experience.

How many running trails are available in Les Ulis?

There are over 25 running routes available in Les Ulis, catering to various fitness levels. These include easy, moderate, and some more difficult options, ensuring there's a suitable trail for almost every runner.

Are there easy running routes suitable for beginners in Les Ulis?

Yes, Les Ulis has several easy running routes perfect for beginners or those looking for a relaxed jog. Many of the paths in Parc Nord offer gentle terrain. For example, the Mare de Gometz-le-Châtel loop from Les Ulis is a moderate route with minimal elevation, making it accessible.

Where can I find more challenging running trails in Les Ulis?

For runners seeking a more strenuous workout, some routes incorporate elevation changes. While not explicitly listed as 'difficult' in all cases, areas like 'La Côte de l'Homme Mort' (Dead Man's Hill) near Les Ulis, known for its 5% average gradient, can provide a good challenge. Routes like the Bois Persan – Old Sand Quarry loop from Orsay also feature varied forest terrain and some elevation.

What natural features or landmarks can I see while jogging in Les Ulis?

While running in Les Ulis, you can enjoy various natural features and landmarks. Parc Nord offers serene ponds and diverse flora. The Étangs de Saclay, particularly the Étang Vieux, is an ornithological nature reserve with numerous bird and plant species. You might also encounter the Buc Aqueduct (arcades) or the Saclay Pond, offering scenic views.

Is parking available near the running trails in Les Ulis?

Yes, parking is generally available near many of the popular running areas in Les Ulis. For instance, routes around Bois Persan or Parc Nord often have accessible parking options, making it convenient for runners arriving by car.

How can I reach the running routes in Les Ulis using public transport?

Les Ulis is well-integrated into the public transport network, making many running routes accessible. Specific routes like those around Gometz-le-Châtel or Beauregard Castle can often be reached via local bus services or by connecting from regional train lines, allowing you to start your run without a car.

What is the best time of year to go running in Les Ulis?

Les Ulis offers pleasant running conditions throughout much of the year, thanks to its numerous green spaces. Spring and autumn provide mild temperatures and beautiful scenery. Summer mornings and evenings are also ideal to avoid the midday heat, while winter running is possible, though some paths might be damp or muddy after rain.

Are the running routes in Les Ulis suitable for families?

Many running routes in Les Ulis are family-friendly, especially those within the larger parks like Parc Nord. These areas often feature well-maintained, relatively flat paths suitable for all ages, and some even include play areas. The separation of pedestrian and vehicle traffic also enhances safety for families.

Can I bring my dog on the running trails in Les Ulis?

Yes, many of the green spaces and trails in Les Ulis are dog-friendly, making it a great place to run with your canine companion. Always ensure your dog is on a leash and that you clean up after them to maintain the cleanliness and enjoyment of the trails for everyone.

Are there many circular running routes in Les Ulis?

Yes, Les Ulis features a good selection of circular running routes, which are popular among local runners. Examples include the Forêt Parc Nord loop from Orsay and the Fauvettes Viaduct loop from Les Ulis, allowing you to start and finish at the same point.

What do other runners say about the trails in Les Ulis?

The running routes in Les Ulis are highly rated by the komoot community, with an average score of 3.75 stars from over 10 reviews. More than 600 runners have used komoot to explore the varied terrain, often praising the quiet woodlands, well-maintained paths, and the blend of urban and natural environments.

Are there cafes or places to eat near the running trails in Les Ulis?

Yes, given Les Ulis's focus on residential living and community amenities, you can find cafes and restaurants in proximity to many running areas. After a run, you can easily find a spot to refuel near Parc Nord or in the town center.

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