4.3
(75)
558
riders
107
rides
Mountain bike trails Clacy-Et-Thierret are situated in a rural commune within the Aisne department, offering access to varied terrain around the nearby city of Laon. The region features undulating landscapes, extensive forests such as Vauclair, and natural water features like Lake Ailette. The topography includes a prominent hill where Laon is built, providing diverse ground conditions with sand, clay, and limestone. This area serves as a base for exploring routes that weave through historical sites and natural environments.
Last updated: May 8, 2026
4.7
(12)
44
riders
55.2km
03:22
260m
260m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
17
riders
56.7km
04:15
540m
540m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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5.0
(1)
12
riders
40.2km
03:09
510m
510m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
17
riders
31.4km
02:36
500m
500m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4
riders
36.3km
03:06
600m
600m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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A small bridge joining the 2 sections lake and gravel track running behind
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Originally, the place invaded by marshes was called Courmanblain , and Saint Bernard installed a first group of Cistercian monks there in 1134, responsible for clearing this space and building the abbey there. Nowadays, it is the remains of the building that you will discover, because due to its proximity to the Chemin des Dames , the abbey suffered very heavy damage during the Nivelle offensive during the First World War .
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Entrance to Centre Parcs at Lac d'Ailette
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There are over 100 mountain bike trails available around Clacy-et-Thierret. These routes cater to various skill levels, with 17 easy, 80 moderate, and 12 difficult options to explore.
Yes, the area offers 17 easy mountain bike trails, which are generally suitable for beginners or families looking for a less strenuous ride. These routes often traverse gentler terrain and can be a great way to enjoy the natural surroundings.
The mountain bike trails around Clacy-et-Thierret feature diverse terrain. You'll encounter undulating landscapes, extensive forests like Vauclair, and natural water features such as Lake Ailette. Near Laon, the topography includes varied ground conditions with sand, clay, and limestone, offering a mix of surfaces for riders.
Yes, many mountain bike routes in the area are designed as loops. For example, the Centre Parcs – Vauclair Abbey loop from Clacy - Mons is a popular moderate circular trail, and the more challenging Rocky Descent – View of Montchalons Village loop from Clacy - Mons also forms a loop.
The trails often weave through historical sites and natural beauty. You can encounter landmarks such as the historic Croix Sézinne, and the routes frequently pass by the mystical Vauclair Abbey. The nearby city of Laon also offers attractions like Notre-Dame Cathedral and the Laon Old Town — Murals and Fortifications.
While many natural areas in France are dog-friendly, it's always best to check specific regulations for each trail or forest you plan to visit, especially concerning protected areas like the Réserve naturelle des Landes de Versigny. Generally, dogs on a leash are permitted on public paths, but always ensure they are under control and respect local wildlife.
The Hauts-de-France region, including Clacy-et-Thierret, generally offers pleasant conditions for mountain biking from spring through autumn. Spring brings blooming landscapes, while autumn provides cooler temperatures and beautiful foliage. Summer can be warm but is also suitable. Winter riding is possible, but trails might be muddy or slippery, especially in forested areas.
Yes, for experienced riders seeking a challenge, there are 12 difficult mountain bike routes. An example is the Dry spring – Croix Sézinne loop from Clacy - Mons, which leads through hilly terrain and forests, or the Rocky Descent – View of Montchalons Village loop from Clacy - Mons, known for its rocky descent and varied terrain.
The mountain bike trails around Clacy-et-Thierret are highly rated by the komoot community, with an average score of 4.3 stars from over 70 reviews. Riders often praise the varied terrain, the extensive forests, and the blend of physical challenge with scenic exploration.
Many routes in the area, particularly those starting from 'Clacy - Mons' or nearby villages, offer convenient parking options. It's advisable to check the specific route details on komoot for designated parking areas or suitable starting points.
Clacy-et-Thierret is a rural commune, but its proximity to Laon (just 4 kilometers away) means you can find various restaurants, cafes, and accommodation options there. Smaller villages in the surrounding area may also offer local eateries or guesthouses.
While Clacy-et-Thierret itself is a small rural community, public transport connections are generally better in the nearby city of Laon. From Laon, you might be able to cycle to some of the trail starting points, or consider using a car to reach more remote trailheads.


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