4.5
(106)
551
hikers
36
hikes
Hiking around Quatre-Champs offers access to the diverse landscapes of the Ardennes Regional Nature Park. The terrain features dense forests of various tree types, hedged farmland, and striking rocky escarpments shaped by geological history. Waterways such as the Meuse and Semoy rivers, along with the Bairon Reservoir, provide scenic routes and natural attractions. This region is characterized by varied natural environments, including deep valleys and picturesque river meanders.
Last updated: July 5, 2026
4.0
(5)
18
hikers
13.7km
03:36
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
5
hikers
5.62km
01:32
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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3.0
(1)
5
hikers
5.18km
01:24
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
6
hikers
4.54km
01:14
60m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.4
(19)
121
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Great place for running, hiking or cycling
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type of reservoir with different levels
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Located in the heart of the Ardennes, between the municipalities of Bairon and Sauville, Lake Bairon is made up of two ponds separated by a dike, for a total area of 120 hectares. The Old Pond and its reed bed have been transformed into a nature reserve (classified as a natura 2000 zone), and on the other side a water reservoir is intended for nautical activities.
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The commune of Montgon has a certain number of locks on the portion of the canal which crosses it. Number 14, bordered by the greenway, offers a nice setting for taking a little break.
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The Bairon reservoir is an artificial lake of 120 hectares divided into two parts: one for water sports and leisure activities, the other for the observation and conservation of fauna and flora. You can follow the trails around the lake and enjoy the green landscape, the singing of birds and the peaceful atmosphere. You can even observe rare species of plants and animals in the old pond, now a nature reserve. It’s an ideal destination for a run.
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The Bairon reservoir is an artificial lake of 120 hectares divided into two parts: one for water sports and leisure, the other for the observation and conservation of fauna and flora. You can follow the trails around the lake and enjoy the green landscape, the singing of birds and the peaceful atmosphere. You will even be able to see rare species of plants and animals in the old pond, now a nature reserve. It is an ideal destination for a hike.
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The Moulin de la Tortue, an old corn mill with dam and wheel, is located on the course of the Longwé which marks the border between the municipalities of Voncq and Neuville-Day.
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A NATURAL RESERVE Nestled in the heart of the Ardennes, Lake Bairon, with an area of 120 hectares, consists of two ponds separated by a dike: the old pond and its reed bed, formed into a nature reserve, and a water reservoir intended for water activities. Today, the Ardennes Departmental Council coordinates the development and promotion of the site. A PLACE OF RELAXATION Hiking trails, playgrounds and a sandy beach invite you to relax and feel well-being. The site welcomes 200,000 people a year, including more than 40,000 swimmers who enjoy the lake. Learn about the most extensive water sports: canoeing, windsurfing... Also enjoy the 5000m2 beach and the pleasures of swimming. This summer there will be supervision every afternoon from 1 p.m. to 7 p.m., from June 15 to August 28. Please note that in view of the deterioration of the water quality of Lake Bairon and in consultation with the Regional Health Service, swimming and water activities at Lake Bairon are prohibited until further notice. Likewise, it is recommended that fishermen do not consume the fish they catch. Source: https://www.vnf.fr/vnf/points-d-interetss/reservoir-du-bairon/
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There are nearly 30 hiking routes around Quatre-Champs, offering a variety of experiences. These include 10 easy trails, 17 moderate routes, and 1 more challenging option, ensuring there's something for every hiker.
The terrain around Quatre-Champs is diverse, characterized by dense forests of various tree types like oak, beech, and pine, as well as hedged farmland and striking rocky escarpments. You'll also find deep valleys and picturesque river meanders, particularly along the Meuse and Semoy rivers.
Yes, Quatre-Champs offers several easy trails suitable for families. For instance, the L'Étang de la Demoiselle loop from La Source is an easy 5.6 km path, perfect for a shorter outing. Another great option is the Bairon Reservoir loop from Le Chesne, an easy 5.8 km trail that takes about 1 hour 33 minutes to complete.
The region is rich in natural beauty. The Bairon Reservoir is a significant natural attraction, offering scenic trails and opportunities for birdwatching. You can also find beautiful viewpoints along the Meuse and Semoy rivers. The Ardennes Regional Nature Park itself is known for its diverse landscapes, including unique rocky formations and lush forests.
Yes, many routes around Quatre-Champs are circular. Popular options include the Montgon lock – Turtle Mill loop from Montgon, a moderate 13.7 km trail, and the Bairon Reservoir – Bairon Reservoir loop from Bairon et ses environs, a moderate 9.4 km route.
The hiking routes in Quatre-Champs are highly rated by the komoot community, with an average score of 4.4 stars from over 100 reviews. Hikers often praise the varied terrain, from dense forests to scenic river valleys, and the well-maintained paths that cater to different ability levels.
While the focus is primarily on natural landscapes, you can encounter interesting points like the Écluse de Semuy (a lock on the canal) or the Old Rilly-Semuy Saint-Irénée Station, which now features a cycle path through a nature reserve where stork nests can be observed. The region's history is also reflected in its ancient geological formations and traditional hedged farmlands.
The Ardennes region, including Quatre-Champs, is beautiful throughout the year. Spring brings blooming flora and fresh greenery, while autumn offers stunning fall foliage. Summer is ideal for longer days and warmer weather, and even winter can be picturesque, though some trails might be more challenging due to conditions.
Yes, the region is part of a larger network of long-distance trails. The Ardennes Circuit, a GR trail spanning 300 km, guides hikers through unspoiled landscapes and charming villages. The GR14, also known as the Ardennes trail, is another significant long-distance route that traverses the area, offering extensive exploration opportunities.
The forests and natural areas provide habitats for a variety of wildlife, including wild boars and deer. Birdwatchers might spot various species, including birds of prey. The flora is equally rich, featuring unique species such as Royal Osmonde, various orchids, and Drosera, especially in the diverse environments like peat bogs and dry grasslands.
Absolutely. The region is rich in waterways, with the Meuse and Semoy rivers offering numerous opportunities for scenic walks. You can also explore trails along canals, such as those near the Canal des Ardennes, succession of locks, providing a different perspective on the landscape.


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