4.6
(60)
3,322
runners
11
runs
Jogging around Rieulay offers access to a unique landscape shaped by the Terril des Argales, Europe's largest flat slag heap, which has been transformed into a natural and recreational area. The region features a striking blend of mineral and aquatic scenery, including the large Étang des Argales. Situated within the Parc Naturel Régional Scarpe-Escaut, the area provides diverse environments for running, from former industrial sites to natural peat bogs and riverbanks. The terrain largely consists of stable ground and trail paths, with some paved sections, accommodating various fitness levels.
Last updated: May 21, 2026
6
runners
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
335
runners
11.5km
01:16
70m
70m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
125
runners
5.79km
00:37
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
runners
6.61km
00:44
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
runners
3.14km
00:20
20m
20m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Great place to run on several routes or hike with the family
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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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Magnificent setting for running and doing a bit of elevation gain!
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Magnificent natural setting. From the banks of the Scarpe to the Argales site. Simply exceptional!
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This lake located in the Scarpe-Escaut natural park, near the town of Rieulay, is a former mining site where a subsidence created a vast body of water. You can run around the lake and enjoy the view of the water and the birds. The lake has a flat, easy trail suitable for all levels of runners. The lake is a great place to exercise and breathe fresh air.
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sector which starts with a big climb and which gives a beautiful view of the horizon
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Pretty marsh with a bird sanctuary. Quite a few kiosks all around the marsh to admire the landscapes.
4
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Magnificent playground. The different paths allowing to multiply the routes.
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The running routes in Rieulay offer a varied experience, largely consisting of stable ground and trail paths, with some paved sections. The unique landscape of the Terril des Argales, Europe's largest flat slag heap, provides a mix of mineral and aquatic scenery. You'll find gentle, consistent slopes, particularly around the Étang des Argales, making many routes accessible for various fitness levels.
Yes, Rieulay offers several easy running routes. For instance, the route Le terril des Argales — loop — running from Rieulay in the Scarpe-Escaut Regional Natural Park is an easy 3.0-mile (4.9 km) trail that explores the unique landscape of the Terril des Argales. Another easy option is the Prohibited passage loop from Rieulay, which is 2.7 miles (4.3 km) long.
Absolutely. Many of the running routes around Rieulay are designed as loops, allowing you to start and finish in the same location. For example, the popular Lac des Argales – Étang des Argales loop from Rieulay offers a moderate 7.5-mile (12.1 km) path circling the large Étang des Argales.
The Terril des Argales and Étang des Argales area is well-equipped for visitors. You can typically find parking facilities near the Étang des Argales, which serves as a central point for accessing many of the running routes. The Base Sport Nature des Argales is a good reference point for parking and amenities.
While specific direct public transport links to the heart of the Terril des Argales or Étang des Argales might be limited, Rieulay is situated within the Parc Naturel Régional Scarpe-Escaut. It's advisable to check local bus services connecting to Rieulay town center, from where the main running areas are often accessible by a short walk or cycle. Planning your journey in advance is recommended.
Many outdoor areas in the Parc Naturel Régional Scarpe-Escaut, including parts of the Terril des Argales, are generally dog-friendly. However, it's always best to keep your dog on a leash, especially in areas with wildlife or near the ornithological reserve at Étang des Argales, to protect the local fauna and ensure a pleasant experience for all visitors. Please look for local signage regarding specific rules.
Rieulay's running routes offer striking scenery, particularly around the Terril des Argales. You'll experience a blend of mineral and aquatic landscapes, sometimes evoking a Nordic feel as you ascend. The large Étang des Argales is a prominent feature, offering beautiful water views. The area is also rich in biodiversity, with diverse flora and fauna, including numerous bird species, making it a great spot for nature observation.
Yes, the area around the Étang des Argales, particularly at the Base Sport Nature des Argales, offers various facilities. You can expect to find amenities such as restrooms, picnic areas, and potentially cafes or snack options, especially during peak seasons. It's a popular recreational hub, so basic services are usually available.
Rieulay offers enjoyable running conditions throughout much of the year. Spring and autumn provide pleasant temperatures and beautiful natural colors. Summer is also popular, especially around the Étang des Argales where water activities are available. While winter running is possible, be prepared for potentially muddy or icy conditions, particularly on unpaved trails. The diverse landscape means there's always something to appreciate, regardless of the season.
The running routes in Rieulay are highly rated by the komoot community, with an average score of 4.5 stars. Runners frequently praise the unique and varied scenery, especially the transformation of the Terril des Argales into a natural and recreational area. The accessibility of the paths and the opportunity to combine a run with nature observation around the Étang des Argales are also often highlighted.
Yes, for those seeking a longer or more challenging run, Rieulay has options. The Lac des Argales – Étang des Argales loop from Rieulay is a moderate 7.5-mile (12.1 km) path. Another moderate choice is the Lac des Argales – Argales Pond loop from Rieulay, covering 5.8 miles (9.4 km). These routes offer more distance to explore the diverse landscapes.
The Terril des Argales and Étang des Argales are part of the Parc Naturel Régional Scarpe-Escaut and are known for their rich biodiversity. The Étang des Argales is a significant ornithological reserve, attracting around a hundred species of birds, making it excellent for birdwatching. You might also encounter reptiles like wall lizards and various amphibians, especially in the natural areas surrounding the trails.


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