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France
Ile-de-France
Rambouillet

Forêt Des Quatre Piliers

The best hikes from bus stations in Forêt Des Quatre Piliers

4.6

(380)

1,829

hikers

128

hikes

Bus station hiking trails in Forêt Des Quatre Piliers traverse a vast 1100-hectare forest characterized by diverse woodlands of oak, pine, and beech. The terrain features gentle elevation changes, open fields, and small streams, providing varied landscapes for hikers. Notable natural features include the central Étang de la Pimardière and the biodiverse Étang de Béhoust. Sandy paths are common in pine forest sections, offering comfortable hiking conditions.

Best bus station hiking trails in Forêt Des Quatre Piliers

  • The most popular bus station hiking route is Four Pillars Forest – Étang de la Pimardière loop from Bazainville, a 5.4 miles (8.7 km) trail that takes 2 hours 21 minutes to complete. This moderate route circles the Étang de la Pimardière, offering scenic views and combining forest sections with open vistas.
  • Another top favourite among local hikers is Four Pillars Forest – Behoust Castle loop from Bazainville, a moderate 11.4 miles (18.3 km) path. This route explores varied forest environments and leads towards Behoust Castle.
  • Local hikers also love the Étang de la Pimardière – Four Pillars Forest loop from Millemont, a 7.6 miles (12.3 km) trail leading through diverse woodlands and past the Étang de la Pimardière, often completed in about 3 hours 15 minutes.
  • Hiking in Forêt Des Quatre Piliers is defined by diverse woodlands, serene ponds, and rolling terrain. The extensive network offers options for various ability levels, from easy walks to more challenging moderate routes.
  • The routes in Forêt Des Quatre Piliers are highly rated by the komoot community with an average score of 4.6 stars from more than 300 reviews. More than 1700 hikers have used komoot to explore Forêt Des Quatre Piliers's varied terrain.

Last updated: July 6, 2026

3.0

(2)

15

hikers

#1.

Four Pillars Forest – Étang de la Pimardière loop from Bazainville

11.1km

03:00

160m

160m

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

Moderate

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

Moderate

3

hikers

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

Easy
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Tips from the Community

Les Sept Pêchers Capitaux
July 31, 2025, Chateau de Behoust

Beautiful castle with a beautiful forest nearby 😉

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Pond where it is very pleasant to walk in the heart of the forest of the four pillars.

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Pleasant in spring when the plants are awakening :)

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clec
November 20, 2024, Chateau de Behoust

a pretty little village not to be missed in the Yvelines: you wouldn't think you were in the suburbs of Paris!

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Beautiful forest between Garancières and Bazainville with many trails, perfect for gravel or mountain biking. Don't miss the small, very wild Pimardière pond. A small path allows you to go around it.

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Magnificent region, castles every ten kilometers!

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Frequently Asked Questions

How many bus-accessible hiking trails are available in Forêt Des Quatre Piliers?

There are over 100 hiking trails in Forêt Des Quatre Piliers that are easily accessible from bus stations, allowing you to explore the diverse landscapes without a car. These routes cater to various fitness levels and interests.

Are there easy trails suitable for beginners or casual walkers?

Yes, Forêt Des Quatre Piliers offers around 30 easy trails accessible by bus, perfect for beginners or those looking for a relaxed stroll. An excellent option is the Behoust Castle – Étang de la Pimardière loop from Béhoust, which is just under 6 km and features minimal elevation gain.

What kind of landscapes can I expect to see on these bus-accessible hikes?

The forest boasts a rich variety of landscapes. You'll encounter extensive woodlands with oak, pine, and beech trees, often leading to sandy paths. Many routes also feature serene water bodies like the Étang de la Pimardière and the biodiverse Étang de Béhoust, alongside open fields and small streams. The terrain includes gentle rolling hills, adding interest to your walk.

Are there any notable landmarks or points of interest along the bus-accessible routes?

Absolutely. Many trails lead you past the tranquil Étang de la Pimardière, a central and peaceful attraction. The Étang de Béhoust is another beautiful spot known for its biodiversity. Some routes, such as the Four Pillars Forest – Behoust Castle loop from Bazainville, also offer glimpses of historical sites like Behoust Castle.

Can I bring my dog on these hiking trails?

Generally, dogs are welcome on trails in Forêt Des Quatre Piliers. However, it's always best to keep them on a leash, especially in areas with wildlife or near water bodies like the Étang de Béhoust, which is known for its exceptional biodiversity. Please ensure you clean up after your pet to preserve the natural environment for everyone.

Are there circular routes available from bus stops?

Yes, many of the bus-accessible trails are circular, allowing you to start and end your hike at the same bus stop. Popular circular options include the Four Pillars Forest – Étang de la Pimardière loop from Bazainville (around 8.7 km) or the slightly longer Étang de la Pimardière – Four Pillars Forest loop from Millemont (around 12.3 km).

What is the best time of year to hike in Forêt Des Quatre Piliers using public transport?

Forêt Des Quatre Piliers is beautiful year-round. Spring brings lush greenery and blooming flora, while autumn offers stunning foliage. Summer is ideal for longer hikes, and even winter can be magical with crisp air and quiet paths. The varied tree species ensure dynamic scenery throughout the seasons.

Are there options for longer, more challenging hikes accessible by bus?

Yes, if you're looking for a greater challenge, there are moderate and even a few difficult routes available. For instance, the Four Pillars Forest – Behoust Castle loop from Bazainville covers over 18 km with significant elevation gain, offering a more strenuous experience. Some sections of the long-distance GR® 22 trail also pass through the forest.

What do other hikers enjoy most about hiking in Forêt Des Quatre Piliers?

The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the extensive network of well-maintained trails, the peaceful atmosphere, and the diverse natural beauty, particularly around the ponds and through the varied woodlands. The convenience of bus access is also frequently highlighted.

Are there any cafes or restaurants near the bus-accessible trailheads?

While the forest itself is a natural escape, some villages where bus stops are located, such as Bazainville or Millemont, may offer local amenities like small cafes or bakeries. It's advisable to check local listings for specific opening times and availability before your visit, especially if you plan to rely on them for refreshments.

What should I wear or bring for a hike in Forêt Des Quatre Piliers?

Given the varied terrain, including sandy paths and potential gentle inclines, comfortable hiking shoes are recommended. Dress in layers suitable for the season, as forest temperatures can vary. Always bring water, snacks, and a fully charged phone. A map or GPS device is also useful, though many trails are well-marked.

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