4.4
(1044)
5,633
hikers
408
hikes
Hiking around Flines-Lez-Raches offers access to diverse natural landscapes within the Scarpe Escaut Regional Natural Park. The region features expansive fields, tranquil marshes, and river valleys, notably along the Scarpe River. Deciduous forests and wetlands, such as the Bois de Flines, contribute to the varied terrain. The area's low elevation means trails typically involve gentle gradients rather than significant climbs.
Last updated: May 13, 2026
4.0
(8)
24
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(11)
47
hikers
7.93km
02:02
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5.0
(3)
52
hikers
10.3km
02:43
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(5)
20
hikers
9.70km
02:27
20m
20m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
17
hikers
18.0km
04:34
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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What a great find! It must be amazing in the spring with all the butterfly bushes.
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Beautiful walk on a magnificent site
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Great place to run on several routes or hike with the family
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winter outing in a contained perimeter. no difficulty here
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The Rieulay slag heap, also known as the Argales slag heap, is the largest in the region with its 140 hectares. Formerly an industrial site for the storage of waste rock from the surrounding mines, it has been converted into a protected natural area and a place for leisure.
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view of Lake Argales and the surrounding towns, at the highest point without going up very high
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The Argales de Rieulay slag heap, the largest in the region (140 ha), has long since closed its mining page. A new story has been unfolding for several years now. That of a successful reconversion.
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Flines-Lez-Raches offers a wide selection of hiking opportunities, with over 400 routes available. These include 218 easy trails, 181 moderate trails, and 10 more challenging options, ensuring there's something for every hiker.
The region is characterized by diverse natural landscapes, including expansive fields, tranquil marshes, and picturesque river valleys, particularly along the Scarpe River. You'll also find wooded areas like the Bois de Flines, which features deciduous forests and wetlands. The terrain generally has low elevation, meaning trails typically involve gentle gradients rather than significant climbs.
Yes, Flines-Lez-Raches is very family-friendly, with 218 easy trails available. A good example is the Pond below the slag heap – Pond below the slag heap loop from Douai, an easy 3.5-mile (5.7 km) trail that takes about 1 hour 29 minutes to complete. The "Chemin du Marais" is also noted as a short, easy pedestrian path suitable for families, traversing fields and even revealing a small blockhouse.
Hikers can explore the lush Bois de Flines, the tranquil Étang des Argales (a bird sanctuary), and follow trails along the Scarpe River. The area also features unique points of interest like the "Mer de Flines," a curious body of water with local legends. You might also encounter former industrial sites, such as the Ostricourt slag heap or the Leforest slag heap, where nature is reclaiming the landscape.
Yes, many of the trails in Flines-Lez-Raches are circular, offering convenient starting and ending points. Examples include the Jacques Vernier Park – Parc Jacques Vernier loop from Râches and the Well of the Ancient Astronauts loop from Lallaing, both providing varied scenery.
The hiking routes in Flines-Lez-Raches are highly rated by the komoot community, with an average score of 4.4 stars from over 900 reviews. More than 5,000 hikers have used komoot to explore the varied terrain, often praising the diverse landscapes, from fields and marshes to forests and riverbanks.
Given the region's diverse natural environments, including fields, marshes, and deciduous forests, spring and autumn are generally ideal for hiking. Spring offers blooming flora and mild temperatures, while autumn provides beautiful foliage. Summer can also be pleasant, especially along shaded river paths or in wooded areas like the Bois de Flines.
While specific restrictions can vary by individual trail or protected area, many natural paths through fields and forests in Flines-Lez-Raches are generally dog-friendly. It's always recommended to keep dogs on a leash, especially in areas with wildlife or near livestock, and to check local signage for any specific regulations.
The region's diverse habitats, including wetlands and the Bois de Flines, support various species. The alluvial system of the Courant des Vanneaux boasts rare species and natural habitats, including unique beech forests and the crested newt. The Étang des Argales is also a renowned bird sanctuary, offering opportunities for birdwatching.
The Étang des Argales is particularly renowned for its scenic beauty, offering routes to walk around and admire views from various kiosks. Trails along the Scarpe River also provide picturesque perspectives of the water-rich landscape. Additionally, some routes might lead to viewpoints over the expansive fields and valleys characteristic of the area.
Parking is generally available in and around Flines-Lez-Raches, particularly at common starting points for popular trails or near village centers. For specific trailheads, it's advisable to check the route details on komoot, as many tours include information on parking facilities.
Flines-Lez-Raches is a commune within the Nord department, and while local public transport options exist, direct access to all trailheads might vary. It's recommended to research local bus services or regional train connections to nearby towns like Douai or Râches, and then plan your hike from there, potentially combining it with a short walk or taxi ride to the trailhead.


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