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France
Ile-de-France
Sarcelles

Groslay

The best walks and hikes around Groslay

4.4

(579)

3,616

hikers

303

hikes

Hiking around Groslay offers access to varied natural landscapes, primarily characterized by the expansive Montmorency Forest and the historic Écouen Forest. The terrain features predominantly chestnut trees, providing picturesque trails, especially in autumn, and includes hilly sections with various ponds. The region also provides tranquil paths along Lac d'Enghien and the Canal de l'Ourcq, offering diverse environments for outdoor activities.

Best hiking trails around Groslay

  • The most popular hiking route is Montmorency Forest – The Black Virgin loop from Sarcelles…

Last updated: July 1, 2026

4.4

(5)

21

hikers

#1.

Montmorency Forest – The Black Virgin loop from Sarcelles - Saint-Brice

23.7km

06:19

260m

260m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

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

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

Moderate

5.0

(1)

13

hikers

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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Tips from the Community

philippeF
July 6, 2025, Bois d'Ecouen

When you go from north to south of Paris, last passage through the forest

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Adrien
August 4, 2023, La vierge Noire

Statue erected by Abbot Bernard de Mun, because it was then located on his land. It was placed here because it dominates the place, at the top of the hill. It is now located in the dominial forest, the land having been bought by the State in 1971. The choice of a name 'Black Virgin' remains a mystery to this day.

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beautiful after the rain

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easy in gyro in summer

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This place is magical, from these chestnut trees over 300 years old, and from history, since this genius of the spirit that is Jean Jacques Rousseau, came there to write these manifestos.

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Magnificent Ecouen forest, and of course its renaissance castle, access to the free park, good value restaurant inside. The visit of the rooms of the castle is essential, very rewarding.

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Frequently Asked Questions

How many hiking trails are available around Groslay?

There are over 300 hiking routes around Groslay, offering a wide range of options for different skill levels and preferences. The komoot community has explored these trails over 3,000 times, providing an average rating of 4.4 stars.

What types of landscapes can I expect to see on hikes near Groslay?

Hikes around Groslay primarily feature the expansive Montmorency Forest, known for its picturesque chestnut trees, especially vibrant in autumn. You'll also find diverse flora in the Écouen Forest, tranquil paths along Lac d'Enghien, and leisurely routes beside the Canal de l'Ourcq. The terrain includes hilly sections and various ponds, offering a rich natural environment.

Are there any easy or family-friendly hiking options in the area?

Yes, Groslay offers many easy routes suitable for families. For instance, the Montmorency Forest – 005 loop from Montmorency is an easy 3.8-mile (6.2 km) path that provides a tranquil escape through the forest, typically completed in under two hours. There are over 150 easy trails in total.

Can I bring my dog on the hiking trails around Groslay?

Many trails in the Montmorency and Écouen Forests are generally dog-friendly, offering ample space for your companion to enjoy the natural surroundings. However, it's always recommended to keep dogs on a leash, especially in protected areas or near wildlife, and to check local regulations for specific trails or parks.

Are there any circular hiking routes near Groslay?

Yes, many of the popular hiking routes around Groslay are circular, allowing you to start and end at the same point. Examples include the Montmorency Forest – The Black Virgin loop from Sarcelles - Saint-Brice and the 005 – Montmorency Forest loop from Andilly, which are both well-regarded circular options.

What are some notable attractions or landmarks I can explore while hiking?

While hiking, you can discover several interesting attractions. Within the Montmorency Forest, you might encounter the historic Pond and Château de la Chasse. The Écouen Forest is adjacent to the magnificent Château d'Écouen, offering a blend of architecture and nature. Lakeside walks around Enghien Lake Promenade also provide scenic views.

What is the best time of year to go hiking around Groslay?

The Montmorency Forest, with its predominantly chestnut trees, is particularly picturesque in autumn when the foliage turns vibrant colors. Spring also offers beautiful scenery with fresh greenery. While hiking is possible year-round, these seasons provide the most visually appealing experiences.

Are there options for challenging hikes with significant elevation gain?

Yes, for those seeking a challenge, there are difficult routes available. The Montmorency Forest – The Black Virgin loop from Sarcelles - Saint-Brice is a difficult 14.7-mile (23.7 km) trail with over 250 meters of elevation gain, exploring the extensive woodlands and varied topography of the Montmorency Forest.

How can I reach the hiking trailheads near Groslay using public transport?

Groslay is well-connected to the wider Paris region by public transport. Many trailheads in the Montmorency and Écouen Forests are accessible via local train stations or bus routes. It's advisable to check specific route starting points and plan your journey using local transport apps or websites for the most up-to-date information.

Is parking available near the hiking trails?

Yes, parking is generally available near the main access points for the Montmorency and Écouen Forests, as well as for attractions like Lac d'Enghien. Look for designated parking areas at forest entrances or near popular trailheads. Some smaller, more remote starting points might have limited parking.

What do other hikers say about the trails around Groslay?

The trails around Groslay are highly rated by the komoot community, with an average score of 4.4 stars from over 500 reviews. Hikers often praise the quiet woodlands, the diverse natural features, and the variety of routes suitable for different fitness levels.

Can I find trails that offer views of the Eiffel Tower?

Yes, some specific routes in the Montmorency Forest offer unique perspectives. For example, the Montmorency Forest – Vue sur la Tour Eiffel loop from Groslay is a moderate 7.5-mile (12.1 km) trail that provides glimpses of the iconic landmark amidst the natural scenery.

Are there any trails that combine natural beauty with historical sites?

Absolutely. The Écouen Forest is a prime example, offering paths that wind through diverse flora and fauna while connecting to the historic Château d'Écouen estate. There's even a historical 'water route' that traces the history of water in the town from the Gallo-Roman era. For more details on the Château d'Écouen domain, you can visit grand-roissy-tourisme.com.

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