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France
Hauts-De-France
Douai

Somain

The best walks and hikes around Somain

4.5

(1009)

3,623

hikers

195

hikes

Hiking around Somain offers diverse landscapes, primarily shaped by reclaimed industrial features and natural parklands. The region is characterized by the unique Terril des Argales, a former mining spoil heap now re-naturalized with an expansive pond, and the broader Scarpe-Escaut Regional Nature Park, featuring forests, marshlands, and winding rivers. This blend provides a variety of terrains, from mineral landscapes to aquatic environments and dense woodlands, suitable for different hiking experiences.

Best hiking trails around Somain

  • The most popular hiking route is Terril des Argales Loop, an easy 3.0 miles (4.9 km) trail that takes about 1 hour 17 minutes to complete, offering views of the re-naturalized terril and its pond.
  • Another top favourite among local hikers is Viewpoint over the lake – Argales Pond loop from Rieulay, an easy 3.1 miles (5.1 km) path. This route provides scenic views across the Étang des Argales.
  • Local hikers also love the Terril des Argales Beach loop from Rieulay, a 4.5 miles (7.2 km) trail leading through the varied terrain of the terril and its lakeside, often completed in about 1 hour 53 minutes.
  • Hiking around Somain is defined by reclaimed industrial landscapes, diverse wetlands, and extensive forest paths within the Scarpe-Escaut Regional Nature Park. The network offers options for easy walks around ponds and through woodlands, catering to various ability levels.
  • The routes in Somain are highly rated by the komoot community with an average score of 4.5 stars from over 800 reviews. More than 3,300 hikers have used komoot to explore Somain's varied terrain.

Last updated: June 25, 2026

4.5

(11)

30

hikers

#1.

Terril des Argales Loop

4.88km

01:17

40m

40m

Hike the easy 3.0-mile (4.9 km) loop at Terril des Argales from Rieulay, offering unique views and rich biodiversity in Scarpe-Escaut.

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Easy

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

Easy
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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

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

Moderate
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Tips from the Community

Pangavert
September 8, 2025, Plage du Terril des Argales

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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Nice outing

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The Carrière des Peupliers in Abscon is a former chalk and marl quarry used to produce lime for the USINOR factory in Denain. These industrial activities have significantly changed the landscape of the Denaisis plain. After the end of the industrial activities, the land was transferred to the Nord department. Today, the area is an interesting place for nature lovers and offers a unique insight into the industrial history of the region.

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Alex Fox
August 4, 2024, Lac des Argales

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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Artificial beach on the body of water

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Frequently Asked Questions

How many hiking trails are available around Somain?

The Somain area offers a wide variety of hiking experiences, with over 190 routes available. These range from easy strolls to more moderate excursions, ensuring there's something for every hiker.

Are there family-friendly hiking options near Somain?

Yes, the region is excellent for families. The Terril des Argales Loop is an easy 4.9 km trail around the re-naturalized former mining spoil heap, offering gentle slopes and diverse scenery suitable for all ages. The Terril des Argales itself has an accessible 4 km loop, perfect for family outings.

Can I bring my dog on the trails around Somain?

Many trails in the Somain area, particularly within the Terril des Argales and the Scarpe-Escaut Regional Nature Park, are dog-friendly. It's always recommended to keep dogs on a leash to protect the local wildlife, especially in areas designated as 'Espace Naturel Sensible' or Natura 2000 sites, which are rich in biodiversity.

Are there any circular hiking routes in the Somain area?

Yes, circular routes are a popular feature. The Viewpoint over the lake – Argales Pond loop from Rieulay is a great example, offering scenic views across the Étang des Argales. Another option is the Terril des Argales Beach loop from Rieulay, which explores the varied terrain around the lake.

What kind of landscapes can I expect to see while hiking near Somain?

Hiking near Somain offers a unique blend of landscapes. You'll encounter the reclaimed industrial beauty of the Terril des Argales, with its mineral landscapes, aquatic environments around the Étang des Argales, and panoramic views. The nearby Scarpe-Escaut Regional Nature Park provides a gorgeous patchwork of forests, marshlands, and winding rivers, offering diverse scenery from dense woodlands to mirror-like ponds.

Where can I park when visiting the Terril des Argales?

Parking is generally available at designated areas around the Terril des Argales in Rieulay. These spots are usually well-indicated and provide convenient access to the trailheads for the various loops around the site and the Étang des Argales.

Is public transport available to reach hiking areas like the Terril des Argales?

While specific public transport routes can vary, the Terril des Argales is a well-known recreational area. It's advisable to check local bus schedules or regional transport options that connect Somain to Rieulay, the village adjacent to the Terril des Argales, for the most up-to-date information.

What are some interesting natural features or landmarks to look out for on hikes?

The most prominent natural feature is the Étang des Argales, a large pond formed by the sinking of the Terril des Argales. This area is a haven for wildlife, including numerous bird species, and is recognized as an 'Espace Naturel Sensible' and Natura 2000 site. You might also spot the Terril des Argales Beach, a sandy area popular in summer.

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

The Somain region, located in northern France, is generally pleasant for hiking from spring through autumn. Spring brings blooming flora, while autumn offers beautiful foliage. Summer is also suitable, especially around the Étang des Argales where swimming is possible. Winter hiking is possible, but trails might be muddy or require appropriate gear.

Are there options for both easy and more challenging hikes?

Yes, the area caters to various fitness levels. There are 103 easy routes, perfect for leisurely walks, and 92 moderate routes for those seeking a bit more challenge. A few difficult routes are also available for experienced hikers looking for a more strenuous adventure.

What do other hikers say about the trails around Somain?

The trails around Somain are highly regarded by the komoot community, boasting an average rating of 4.5 stars from over 800 reviews. Hikers often praise the unique landscapes of the Terril des Argales, the tranquility of the Scarpe-Escaut Regional Nature Park, and the well-maintained paths that make for enjoyable outings.

Is there a map available for the Terril des Argales?

Yes, a detailed map of the Terril des Argales, including its trails and points of interest, is available. You can often find it through local tourism offices or online. For a comprehensive overview, you can refer to this resource: Plan du Terril des Argales.

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