4.6
(28)
105
hikers
1
hike
Hiking in Réserve Naturelle Des Étangs De Belval-En-Argonne is characterized by a landscape of interconnected ponds, expansive reed beds, and humid forests, spanning 203 hectares. The terrain is generally flat, making it accessible for various activity levels, with trails often following the water's edge or passing through dense woods. This natural reserve offers diverse habitats, including grazed meadows and wetland forests, providing a rich environment for observation.
Last updated: August 28, 2026
4.3
(3)
5
hikers
13.4km
03:26
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
2
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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3.0
(1)
5
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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The Hermitage of Saint-Rouin is a modern chapel built on the site of an ancient hermitage where Saint-Rouin, founder of the Beaulieu-en-Argonne abbey, lived in the 7th century. The chapel, designed by the architect and Dominican friar L.-B. Rayssiguier, is a striking example of concrete architecture with geometric shapes and colorful stained glass windows. You can admire the minimalist interior and the altar made of sandstone blocks, as well as the 17th century altarpiece of the Assumption located in the enclosure. The Hermitage of Saint-Rouin is a place of pilgrimage and celebration every year on September 17, the feast day of Saint-Rouin. You can also enjoy the natural beauty of the surrounding forest and the panoramic views from the hilltop. The Hermitage of Saint-Rouin is a hidden gem that will inspire you with its history and art.
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In the 7th century, Beaulieu-en-Argonne already had an abbey, founded by a Scottish monk, Saint-Rouin, who gave his name to the village church. Part of the abbey still remains, including an old oak press from the 13th century, of impressive dimensions: it is one of the largest in Europe and weighs 30 tonnes! Next to it, a fresco represents the village as it was in 1789. Outside, there are some traces of the ancient walls of the abbey.
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Built between 1954 and 1961, the Saint-Rouin hermitage was erected in the heart of the Argonne forest according to plans drawn up by Father Rayssiguier, Dominican, disciple of Le Corbusier and co-author of the Vence chapel. For further information, contact the Association "Les Amis de Saint-Rouin".
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At the edge of the Argonne forest, the ponds of Belval in Argonne are home to remarkable biodiversity. Some 270 species of plants have been recorded on the site and 165 species of birds are observed each year. Made up of ponds, basins, vast reed beds and humid forest, this 203 hectare site is visited each year by thousands of aquatic birds.
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The reserve is generally characterized by flat terrain with low elevation changes, making it very accessible for families. You'll find trails winding along the water's edge of the many ponds, through vast reed beds, and into humid forests. While mostly flat, some areas can be marshy after rain, so sturdy footwear is recommended.
Yes, for shorter excursions, there's a 3.2 km loop that passes through nearby meadows. Additionally, a 30-minute discovery trail is available near the main dike, perfect for a quick nature exploration with little ones. While the terrain is generally flat, stroller accessibility might vary on unpaved paths, especially after rain.
Réserve Naturelle Des Étangs De Belval-En-Argonne is renowned for its exceptional birdlife. There are three dedicated observatories – two on Étang du Bas and one on Étang du Haut – providing excellent conditions for birdwatching without disturbance. You might spot species like the Bluethroat, Common Tern, Common Goldeneye, and the majestic Black Stork. Spring and summer are particularly active seasons for bird calls and sightings.
Absolutely! A popular moderate option is the Belval Pond loop from Belval-en-Argonne. This 13.4 km route offers scenic views of the pond and its surrounding forests, taking approximately 3 hours and 23 minutes to complete. It's a great way to experience the diverse landscapes of the reserve in a single outing.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the serene waters, the rich biodiversity, and the well-maintained trails that offer a peaceful escape into nature. The birdwatching observatories are also frequently highlighted as a unique and enjoyable feature.
While the reserve is a natural area, specific regulations regarding dogs can vary. It's generally advisable to keep dogs on a leash to protect the local wildlife, especially ground-nesting birds and other sensitive species. Always check for local signage upon arrival for the most current rules.
Yes, the reserve offers amenities to enhance your family visit. There is a dedicated picnic area conveniently located near the start of the discovery trail, perfect for a break and a meal amidst nature.
Spring and summer are particularly rewarding seasons. In spring, you'll witness the awakening of nature and hear the calls of various bird species. Summer offers lush greenery and pleasant weather for longer hikes. However, the diverse habitats provide unique experiences throughout the year, with autumn bringing beautiful foliage and winter offering a tranquil, stark beauty.
For families seeking a longer adventure, the Beaulieu-en-Argonne Abbey – Saint-Rouin Hermitage loop from Chapelle Saint-Rouin is a moderate 16 km route that takes about 4 hours and 30 minutes. Another excellent option is the Saint-Rouin Hermitage – Beaulieu-en-Argonne Abbey loop from Chapelle Saint-Rouin, which is 8.1 km and takes around 2 hours and 15 minutes, offering a good balance of distance and exploration.
While specific parking locations are not detailed, the reserve is generally accessible, and visitors can expect designated parking areas near popular trailheads or main access points. Look for signage upon arrival, especially near the main dike or the start of the discovery trail, which often have visitor facilities.
The reserve occasionally hosts various events designed to engage visitors with nature. These can include discovery walks, educational workshops, games, and even local produce markets. It's a good idea to check the official website of the reserve or local tourism resources for an up-to-date schedule of activities during your visit.


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