4.4
(1339)
7,050
riders
320
rides
Mountain bike trails around Lens offer a unique landscape shaped by its industrial past, featuring numerous reclaimed slag heaps, known as "terrils." These artificial hills provide varied terrain, from challenging ascents to panoramic viewpoints. The region also includes greenways and paths through marshlands and forests, creating a diverse environment for mountain biking. This blend of natural and transformed features ensures a range of routes for different skill levels.
Last updated: May 20, 2026
4.6
(46)
314
riders
46.3km
03:09
240m
240m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.4
(48)
351
riders
40.0km
02:44
160m
160m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.5
(28)
275
riders
57.8km
03:36
180m
180m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.7
(24)
198
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.7
(14)
203
riders
55.4km
04:13
570m
570m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.6
(9)
177
riders
52.3km
03:41
240m
240m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.7
(28)
182
riders
60.1km
03:48
260m
260m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.2
(14)
127
riders
11.2km
00:51
30m
30m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(14)
88
riders
46.7km
03:27
560m
560m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.6
(11)
108
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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Popular around Lens
The terrain is nice, but the signage isn't great... we start a circuit (no. 5) and very quickly there are no more signs... Circuit no. 7 seems well signposted
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The ruins of the old church of Ablain-Saint-Nazaire are an impressive and symbolic remnant of the First World War. Built in the 16th century in flamboyant Gothic style by Jacques Le Caron, this church was badly damaged during the fighting in 1915. The ruins have been preserved as a monument to commemorate the horrors of war.
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A remarkable story about the ruins concerns the decision not to rebuild the church after the war. Although the church had been classified as a historical monument in 1908, the Commission for Historical Monuments decided that the ruins should remain as a testimony to the German destruction. Ironically, it was the French guns that had destroyed the church, but the ruins became a symbol of the war and the reconstruction.
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mountain bike outing in hiking mode
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Beware, beginners without an electric bike... big climbs... it's a roller coaster!!! Otherwise, the route to Olhain is fantastic!!!
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The mountain bike trails around Lens are characterized by a unique blend of natural and transformed landscapes. You'll encounter numerous reclaimed slag heaps, known as "terril" or "terrils," which are artificial hills formed from mining waste. These provide varied terrain, from challenging ascents and descents to panoramic viewpoints. Additionally, the region features greenways, paths through marshlands, and some forested areas, offering a diverse riding experience.
Yes, Lens offers trails for various skill levels, including options suitable for beginners and families. While many routes involve the unique challenges of the slag heaps, there are also easier paths. For example, the Hairpin Descent – Cabiddu Park MTB Base loop from Wingles is an easy 11.1 km route that provides a good introduction to the area's cycling. Overall, there are over 90 easy routes available.
For a more challenging ride with significant elevation, the slag heaps are your best bet. The Loos-en-Gohelle slag heaps (Terril 74 and 74a), for instance, are the highest artificial mountains in Europe and offer demanding climbs. A difficult route like the Caucourt ford – Caucourt Mill loop from Bouvigny-Boyeffles covers 53.3 km with over 660 meters of elevation gain, providing a substantial workout.
To fully experience the unique slag heap landscapes, consider routes that specifically incorporate these features. The Tout in haut de ch'terril – Spoil heaps 74 and 74a loop from Aix-Noulette is a great option, taking you around the prominent Spoil heaps 74 and 74a, which are UNESCO World Heritage sites. Another excellent choice is the Pévèle greenway – Leforest slag heap loop from Libercourt, which combines a greenway experience with an ascent of the Leforest slag heap.
Yes, many mountain bike routes around Lens are designed as loops, allowing you to start and finish at the same point. For example, the popular Marais de la Galance – Lagoon of Harnes loop from Pont-à-Vendin is a moderate 40 km circular trail exploring marshlands. Another option is the EuroVélo 5 at Souchez – The two Towers loop from Bully - Grenay, a moderate 57.1 km route.
Mountain biking in Lens offers unique scenic views, primarily from the summits of the slag heaps. These elevated points provide breathtaking 360-degree panoramas of the surrounding coalfield, the regenerated natural landscapes, and distant heritage sites. You'll also find views of marshlands, canals, and greenways, offering a diverse visual experience that blends industrial history with natural beauty.
Yes, the trails often pass by significant natural attractions and landmarks. You can encounter the unique Marais de la Galance, a marshland area, or ride past various lakes such as Etang de Wingles. The prominent slag heaps themselves are natural monuments, including the Leforest slag heap and the Spoil heaps 74 and 74a, which offer impressive viewpoints like the View of the mining basin and the hills of Artois.
The mountain bike trails around Lens are highly regarded by the komoot community, holding an average rating of 4.4 stars from over 1,100 reviews. Riders often praise the unique terrain provided by the slag heaps, the diverse scenery ranging from marshlands to greenways, and the variety of routes available for different skill levels. The blend of physical challenge and historical context is frequently highlighted as a key appeal.
Yes, the region around Lens offers longer routes and incorporates parts of greenways. For instance, the Chemin bras mort Oignies – Chevalet D'Evin loop from Leforest is a moderate 51.8 km route. The Marais de la Galance – Bois de Florimond Pumptrack loop from Liévin is even longer at 61.3 km. The area is also part of the wider Hauts-de-France cycling network, which includes sections of the EuroVélo 3 route, offering extensive cycling opportunities.
The best season for mountain biking in Lens generally spans from spring through autumn. During these months, the weather is typically more favorable, with milder temperatures and less precipitation, making the trails more enjoyable and less muddy. While riding is possible year-round, conditions can be more challenging in winter due to colder temperatures and potentially wet or icy surfaces, especially on the slag heaps.
Many routes in Lens naturally combine natural landscapes with historical context due to the region's mining heritage. Riding on the slag heaps themselves offers a direct connection to this past, as these are transformed industrial sites now reclaimed by nature. The panoramic views from their summits often encompass both natural beauty and remnants of the mining basin, providing a unique perspective on the area's history and regeneration.


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