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France
Ile-de-France
Palaiseau

Saclay

The best walks and hikes around Saclay

4.5

(3371)

25,247

hikers

1,052

hikes

Hiking around Saclay offers routes across the plateau, characterized by open agricultural fields, gentle slopes, and sections of woodland. The region features the Bièvre Valley, providing varied terrain with stream-side paths and slight elevation changes. Trails often traverse pastoral landscapes, connecting villages and natural areas. This combination creates a diverse environment for outdoor activities.

Best hiking trails around Saclay

  • The most popular hiking route is Weir on the Bièvre – Bièvre Valley in Buc loop from Jouy-en-Josas, a 8.7 miles (14.0 km) trail that takes 3 hours 47 minutes to complete. This moderate route explores the Bièvre Valley, featuring a weir and varied natural surroundings.
  • Another top favourite among local hikers is Pastoral Cow Pasture – Les Loges-en-Josas loop from Jouy-en-Josas, a moderate 8.5 miles (13.7 km) path. This trail leads through open pastoral landscapes and connects to the village of Les Loges-en-Josas.
  • Local hikers also love the Old Boundary Marker with Fleur-de-Lys loop from Saclay, a 3.6 miles (5.8 km) trail leading through local historical points, often completed in about 1 hour 30 minutes.
  • Hiking around Saclay is defined by open plateau landscapes, sections of woodland, and paths along the Bièvre Stream. The network offers options for easy hikes near Saclay, as well as more moderate routes for varied ability levels.
  • The routes in Saclay are highly rated by the komoot community with an average score of 4.5 stars from over 2900 reviews. More than 22900 hikers have used komoot to explore Saclay's varied terrain.

Last updated: July 5, 2026

4.3

(4)

39

hikers

#1.

Bièvre Valley in Buc – Geneste Pond loop from Jouy-en-Josas

14.0km

03:47

200m

200m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Saclay

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Tips from the Community

Sylvain LD
July 3, 2026, Étang de la Geneste

Like all the ponds on the Satory plateau, it is a pleasant site.

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A big battle but a very small bridge!

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sirjuh
August 14, 2025, Les Loges-en-Josas

Pretty village church

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The tour of the ponds is very pleasant, whatever the season...and for those in the know, we ride in the footsteps of Blake & Mortimer!

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along the path, old marker with fleur-de-lis

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Quiet stroll

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According to Abbot Lebeuf, there was a pilgrimage to this place in honor of Saint Eustace since the Middle Ages.

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Warning! A good part of the tour is on the side of the road with little or no sidewalk. You have to cross national roads without any pedestrian crossing! Not suitable for a walk.

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Frequently Asked Questions

How many hiking trails are available in Saclay?

There are over 1000 hiking routes around Saclay, offering a wide variety of options for different skill levels and preferences. You can find trails across the plateau, through woodlands, and along the Bièvre Valley.

What kind of landscape can I expect when hiking around Saclay?

Hiking around Saclay features open agricultural fields, gentle slopes, and sections of woodland across the plateau. The Bièvre Valley adds varied terrain with stream-side paths and slight elevation changes, connecting villages and natural areas.

Are there many easy hiking routes in Saclay?

Yes, Saclay offers a good selection of easy hikes. Over 570 routes are classified as easy, making the area accessible for beginners or those looking for a relaxed walk. An example is the Old Boundary Marker with Fleur-de-Lys loop from Saclay, which is about 3.6 miles (5.8 km) long.

What is the typical duration of hikes in Saclay?

Hikes in Saclay vary in length. Many routes, especially the easy ones, can be completed in 1.5 to 2 hours. Moderate trails, such as the Weir on the Bièvre – Bièvre Valley in Buc loop from Jouy-en-Josas, typically take around 3 to 4 hours to complete.

Are there circular walks available in Saclay?

Yes, many of the hiking routes in Saclay are circular, allowing you to start and end at the same point. For instance, the Pastoral Cow Pasture – Les Loges-en-Josas loop from Jouy-en-Josas is a popular circular trail.

What interesting sights or landmarks can I see while hiking near Saclay?

While hiking near Saclay, you can discover several interesting landmarks. Notable attractions include the historic Palace of Versailles, the impressive Buc Aqueduct (arcades), and the Mirage IIIR Fighter Jet Monument in Buc. These points of interest add historical and cultural context to your outdoor adventure.

What do other hikers say about the trails in Saclay?

The trails in Saclay are highly regarded by the komoot community, with an average rating of 4.5 stars from over 2900 reviews. Hikers often praise the diverse landscapes, from open plateau views to tranquil woodland sections, and the well-maintained paths suitable for various abilities.

Are there family-friendly hiking options in Saclay?

Saclay offers many family-friendly hiking options, particularly among its numerous easy routes. The gentle terrain and varied scenery, including open fields and woodlands, make it suitable for walks with children. Look for shorter, less strenuous loops like the Pastoral Cow Pasture – Banc des Horizons de Saclay loop from Jouy-en-Josas.

Can I bring my dog on the hiking trails in Saclay?

Generally, dogs are welcome on most hiking trails in Saclay. However, it's always recommended to keep your dog on a leash, especially when passing through agricultural areas or near wildlife. Please respect local signage regarding pet access.

Is public transport available to reach hiking trails in Saclay?

Yes, Saclay is accessible by public transport, particularly from Paris. You can use RER B to reach stations like Massy-Palaiseau or Orsay-Ville, and then connect with local bus services that serve various villages and trailheads around the Saclay plateau. It's advisable to check specific route connections for your chosen starting point.

Are there any cafes or places to eat near the hiking trails in Saclay?

Many of the hiking routes in Saclay connect to or pass through local villages such as Jouy-en-Josas, Les Loges-en-Josas, and Saclay itself. These villages often have small cafes, bakeries, or restaurants where you can stop for refreshments or a meal before or after your hike.

What is the best time of year to hike in Saclay?

Spring and autumn are generally the best times to hike in Saclay, offering pleasant temperatures and beautiful scenery. Spring brings blooming wildflowers, while autumn showcases vibrant foliage. Summer can be enjoyable, but it's wise to start early to avoid the midday heat. Winter hikes are also possible, especially on the plateau's open paths, but be prepared for colder, potentially muddy conditions.

Most popular routes around Saclay

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