4.3
(36)
219
riders
28
rides
Mountain bike trails around Mencas are characterized by a landscape of rolling hills and river valleys, particularly around the source of the Lys. The region offers varied terrain, including paths through agricultural areas and woodlands, with notable elevation changes. Mountain bikers can expect a mix of climbs and descents, providing diverse experiences across its network of routes. The area's geography supports a range of mountain biking difficulties, from gentle loops to more challenging long-distance rides.
Last updated: May 7, 2026
4.0
(2)
29
riders
51.9km
04:02
660m
660m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
32
riders
62.6km
05:06
840m
840m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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13
riders
116km
08:38
1,470m
1,470m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(2)
10
riders
34.5km
02:40
370m
370m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
9
riders
34.8km
02:32
250m
250m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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The small village of Delettes includes the hamlets of Upen d'Amont, Upen d'Aval, and Westrehem. Crossed by the Lys River, it boasts a pretty sluice mill built on the banks of the river.
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The 15th century church, a remnant of the abbey, has an octagonal bell tower and an 11th century Romanesque baptismal font. The structure is remarkable for the buildings that are built against the church, not unusual in the Middle Ages.
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The Mencas region features a landscape of rolling hills and river valleys, particularly around the source of the Lys. You'll find varied terrain, including paths through agricultural areas and woodlands, with notable elevation changes, offering a mix of climbs and descents.
Yes, Mencas offers a range of mountain biking difficulties. There are 2 easy routes, 20 moderate routes, and 2 difficult routes, catering to different experience levels. For an easy ride, consider the Source of the Lys loop from Lisbourg.
The mountain bike trails in Mencas are highly rated by the komoot community, with an average score of 4.1 stars from over 24 reviews. Riders often praise the varied terrain, which includes both open fields and wooded sections, and the diverse experiences offered by the mix of climbs and descents.
Yes, Mencas offers several longer routes. One of the most challenging is the Dam – Metal bridge loop from Saint-Martin-d'Hardinghem, which spans over 72 miles (116 km) and features significant elevation gain.
Many of the mountain bike routes in Mencas are designed as loops. Popular options include the Source of the Lys loop from Bomy and the Source of the Lys loop from Coyecques, both of which explore the river's source region.
While riding, you can explore various points of interest. A notable natural feature is the Source of the River Lys. You might also encounter historical sites like the Battlefield of Azincourt, or visit the Saint James Church.
While specific 'family-friendly' designations are not provided, the region does offer easy routes that could be suitable for families. The Source of the Lys loop from Lisbourg is an easy 15.1-mile (24.4 km) trail that leads through the Lys valley, which might be a good option for a less strenuous ride.
The guide does not specify a best season. However, given the landscape of rolling hills and river valleys, spring and autumn typically offer pleasant temperatures and beautiful scenery for outdoor activities like mountain biking. Always check local weather conditions before heading out.
The region's rolling hills and varied terrain suggest opportunities for scenic views, particularly over the river valleys and agricultural areas. While specific named viewpoints are not detailed, the routes often traverse elevated sections that provide panoramic vistas of the surrounding countryside.
The guide does not provide specific information on cafes or restaurants directly adjacent to the trails. However, routes often pass through or near settlements like Delettes, where you may find local amenities to refuel.
There are over 20 mountain bike trails around Mencas, explored by more than 200 mountain bikers using komoot. These routes offer a diverse range of experiences across the region's varied terrain.


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