4.4
(602)
33,995
runners
893
runs
Jogging around Sailly-Lez-Lannoy offers a variety of routes through its green setting and diverse landscapes. The region is characterized by peaceful countryside, extensive forest paths, and scenic water features like the Lac du Héron. These natural surroundings provide a refreshing escape for runners, with trails catering to different fitness levels.
Last updated: July 1, 2026
4.3
(8)
317
runners
15.9km
01:41
60m
60m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
65
runners
6.41km
00:40
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.0
(1)
34
runners
4.00km
00:25
10m
10m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
25
runners
8.85km
00:56
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
26
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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During the winter of 2024-2025, several renovations were carried out: the restrooms, pontoons, walkways, and wooden structures were replaced. New furniture (benches, picnic tables) was also installed.
2
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The park is 12 hectares in size, so much more than the name (6 acres = approx. 6 hectares) suggests.
2
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The current St. Martin's Church dates only from 1854 and was preceded by another, much smaller church on the same site. That first church belonged to the Knights Templar, who donated it to the parish after the Council of Vienne in 1530. In 1711, part of the ceiling collapsed during a mass, killing five people. Then, in 1800, a violent storm destroyed the already towering spire. Around 1849-1850, Abbot Pluchart, the parish priest, began construction of the current church with the help of architect Leroy, which was consecrated in 1854. Following the law introducing the separation of church and state in 1905, the building was inventoried and became state property. As elsewhere in France, the state entrusted the heritage to the municipality. In 1917, the local blacksmith, under orders from the "German Command," was called upon, along with three companions, to remove the two bells and hand them over to the Germans so they could be turned into German artillery pieces. In 1922, the bells, bearing the names Solange-Augustine and Martine, were returned. The church sustained little damage during the 1939-1945 war (bombings and storms), and a restoration followed immediately in 1947-1948 (a stained-glass window above the portico and some stone repairs). In 1949-1950, the municipality gave the building its current appearance by removing the very narrow staircase made of Soignies stone and the protective fencing from the garden. Finally, in November 1977, the collapse of several vaults in the choir prompted the municipality to investigate and renovate the entire nave, repair, reinforce, or replace several pointed arches, and completely repaint the interior. Source: www.willems.fr
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The Parc du Héron covers 110 hectares, a significant portion of which is covered by water: the Lac du Héron and the Marque River. Approximately 70% of the area is designated as a nature reserve.
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Plenty of trails and singletrack all around the hill. Uncrowded and very pretty.
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This seemingly small church has all the hallmarks of a large one. Indeed, the building is built on the same architectural model as Lille Cathedral. Moreover, stained-glass window enthusiasts will notice the rare presence of hearts in the compositions.
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Snacks and drinks (toilets with consumption)
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1
Sailly-Lez-Lannoy offers a wide variety of running experiences, with over 780 routes available. These range from easy strolls to more challenging runs, ensuring options for every fitness level.
The region is nestled in a 'green setting' with diverse landscapes. You can expect peaceful countryside, extensive forest paths, and scenic water features like the Lac du Héron. Many routes offer views of rolling farmland and woodlands, providing a tranquil outdoor experience.
Yes, Sailly-Lez-Lannoy has over 60 easy running routes. For a shorter, less strenuous option, consider the Heron Lake loop from Hem, which is approximately 4 km (2.5 miles) and offers a pleasant, accessible experience.
Absolutely. For experienced runners seeking a challenge, there are nearly 60 difficult routes. A notable option is the Boucle des Bonniers Trail, a demanding 15.9 km (9.9 miles) route that winds through natural landscapes and includes the scenic Lac du Héron.
Yes, the Lac du Héron is a prominent feature in many running routes. You can enjoy scenic runs alongside the water on trails such as the Lac du Héron loop from Sailly-lez-Lannoy, which is about 13.4 km (8.3 miles).
As you jog, you might encounter various points of interest. Some routes pass near historical sites or unique landmarks. For example, you could explore areas close to the Belgium–France Border on the Canal de Roubaix or the Roubaix Velodrome. The region also has a rich history, with some routes potentially offering glimpses of its agricultural past or even nearby castles like the Ruins of la Royère castle.
Yes, the region is known for its 'green setting' and offers several forest paths. A popular choice is the Forest Path and Wooden Bridge loop from Hem, a moderate 12.2 km (7.6 miles) trail that provides a scenic and less frequented forest experience.
The running routes in Sailly-Lez-Lannoy are highly rated by the komoot community, with an average score of 4.35 stars from over 500 reviews. Runners often praise the peaceful countryside, the diverse landscapes, and the refreshing escape into nature provided by the extensive forest paths and scenic Lac du Héron.
Many of the running routes around Sailly-Lez-Lannoy are designed as loops, offering convenient circular options. This allows runners to start and finish at the same point without needing to retrace their steps. Examples include the Heron Lake – Chemin des lacs loop from Sailly-lez-Lannoy.
The 'green setting' of Sailly-Lez-Lannoy makes it enjoyable for running throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful foliage. Summer provides lush green landscapes, with forest paths offering welcome shade. Even in winter, the tranquil rural environment can be appealing for a crisp run.
Yes, for those looking for longer distances, Sailly-Lez-Lannoy has several options. The Heron Lake – Chemin des lacs loop from Sailly-lez-Lannoy is a challenging 17.7 km (11 miles) route, perfect for longer training runs.


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