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France
Ile-de-France
Pontoise

Osny

The best walks and hikes around Osny

4.5

(948)

5,129

hikers

17

hikes

Hiking around Osny offers a network of trails through a landscape characterized by gentle elevations and historical landmarks. The region features a mix of open paths and routes connecting various châteaux and local points of interest. Many of the trails are circular walks, providing convenient options for exploration.

Best hiking trails around Osny

  • The most popular hiking route is Château de Grouchy – Glacier loop from Cergy, a 3.3 miles (5.4 km) trail that takes 1 hour 24 minutes…

Last updated: May 24, 2026

31

hikers

#1.

Château de Grouchy – Glacier loop from Cergy

5.38km

01:24

40m

40m

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

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Easy

4.8

(4)

8

hikers

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

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

Easy
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Popular around Osny

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Tips from the Community

Fabrice Rigalleau
September 20, 2025, Château de Montgeroult

A charming village on the slopes of the Viosne with its castle and adjacent church.

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GOOD

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The Jules-César roadway in Vexin bears witness to Roman influence in the region. It is part of a network of military roads dating back more than 2,000 years. This historic path, rehabilitated in 2000, extends over 21 km between Puiseux-Pontoise and Arthieul in Magny-en-Vexin. Suitable for all levels, it reveals the natural panoramas of Vexin.

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Located on the Jules César road, this is one of the two crosses placed nearby (the other is the Labathe cross)

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Courcelles-sur-Viosne is a town in the French Vexin region and its main characteristic is that it is on the way to the Chaussée de César, a trade route dating from the Roman Empire.

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Adrien
August 3, 2023, Croix de Labathe

Cross located on the Chaussée Jules César, erected in the 13th Century by the Templars.

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Private castle dating from the 17th century and classified as a Historic Monument since 1996.

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A beautiful piece of nature, the building opposite the wash house has a magnificent architecture.

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Frequently Asked Questions

How many hiking trails are available around Osny?

There are 17 hiking trails around Osny, offering a variety of options for different skill levels and interests.

Are there easy or beginner-friendly hikes in Osny?

Yes, Osny offers 8 easy routes suitable for beginners or those looking for a relaxed walk. A good option is the Château de Grouchy – Glacier loop from Cergy, which is 3.3 miles (5.4 km) long and takes about 1 hour 24 minutes.

What kind of landscapes can I expect on hikes around Osny?

Hiking around Osny features a landscape characterized by gentle elevations, a mix of open paths, and routes connecting various châteaux and local points of interest. You'll find historical sites intertwined with natural scenery.

Are there any circular walks in Osny?

Yes, many of the trails around Osny are circular walks, providing convenient options for exploration without needing to retrace your steps. For example, the Glacier – Château de Grouchy loop from Osny is a popular circular route.

What are some interesting places to explore or landmarks to see near the hiking trails?

The region is rich in historical sites and natural beauty. You can explore the Château de Grouchy and its ponds, visit the charming town of Auvers-sur-Oise, or see the Corra Pond. There are also several other castles like Conti Castle and Château d’Auvers nearby.

Are there any family-friendly hiking options in Osny?

Yes, Osny offers several family-friendly hikes. The gentle terrain and shorter loop trails make them suitable for all ages. Look for routes marked as 'easy' for the best family experience.

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

Generally, dogs are welcome on most public hiking trails in France, provided they are kept on a leash and you clean up after them. It's always a good idea to check specific signage at trailheads for any local restrictions, especially in nature reserves or protected areas.

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

Spring and autumn are often ideal for hiking in Osny, with pleasant temperatures and beautiful scenery. Summer can also be enjoyable, but it's advisable to start early to avoid the midday heat. Winter hikes are possible, but trails might be muddy, and daylight hours are shorter.

What do other hikers enjoy most about hiking in Osny?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 850 reviews. Hikers often praise the region's historical châteaux, varied loop trails, and the accessibility of routes for different ability levels.

Are there longer, more challenging hikes available in Osny?

Yes, for those seeking a greater challenge, there are 4 difficult routes around Osny. An example is the Château de Grouchy – Montgeroult Castle loop from Osny, a 15.1 miles (24.3 km) trail that takes approximately 6 hours 33 minutes to complete.

Is parking available near the hiking trailheads in Osny?

Parking is generally available in and around Osny, particularly near popular starting points for trails or in the villages. It's recommended to check maps or local information for specific parking areas close to your chosen trailhead.

Are there any viewpoints along the hiking trails in Osny?

While Osny's terrain is characterized by gentle elevations rather than dramatic peaks, many trails offer scenic views of the surrounding countryside, historical châteaux, and local rivers like the Oise. The routes often pass through picturesque villages and open fields providing pleasant vistas.

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