4.3
(392)
3,075
riders
288
rides
No traffic touring bike trails Blendecques are characterized by the flat, intricate landscapes of the Audomarois Marshes and the serene River Aa Valley. The region offers a network of paths winding through wetlands, past canals, and alongside nature reserves. These routes provide a tranquil setting for cycling, with gentle gradients and minimal elevation changes. The area is part of a broader natural park, ensuring diverse scenery for touring cyclists.
Last updated: October 7, 2026
31
riders
32.1km
02:40
400m
400m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
19
riders
21.4km
01:22
70m
70m
Hard bike ride. Great for any fitness level. You may need to push your bike for some segments of this route.

5.0
(2)
24
riders
51.8km
04:09
720m
720m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
21
riders
46.6km
03:38
570m
570m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
14
riders
26.9km
02:07
140m
140m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
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Nice campsite outside of St. Omer. Quiet location, not much going on in May. Swimming pool closed. Clean restrooms; please bring your own toilet paper.
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starting point for quite a few hikes
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here is an information board with all tourist information
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The church of Clairmarais was built in 1873, near the ruins of the former Cistercian abbey that gave the village its name. It replaced the abbey church that was destroyed during the French Revolution. The church is dedicated to Saint Bernard of Clairvaux, the spiritual father of the abbey. Today it is a landmark in the village and a silent witness to the religious heritage of this region. Note the coloured memorial to the dead next to the church.
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Imposing church in the town.
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The Ascenseur à bateaux des Fontinettes is a historic boat lift in Arques, France. It was built between 1881 and 1887 and is the only remaining boat lift in France. It was built to link the River Lys with the River Aa, giving Lille and other inland cities a French route to the sea. The canal has a maximum height of 19 metres and a minimum height of 3 metres. It is a unique feat of hydraulic engineering and works on the principle of communicating vessels and Archimedes' law. It can carry two boats at a time and takes approximately 22 minutes to raise or lower a boat. It is a popular tourist attraction and offers a fascinating insight into France's industrial history.
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It is also important that you can cross the canal here by bike. Which takes you to the boat lift.
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There are over 260 dedicated no-traffic touring cycling routes around Blendecques. These routes cater to various skill levels, with 109 easy, 104 moderate, and 47 difficult options, ensuring a suitable ride for every cyclist.
The terrain around Blendecques is generally flat, especially within the Audomarois Marshes, which are characterized by wetlands, canals, and gentle paths. However, some routes may include slight elevation changes, such as the Watten Hill – Chestnut tree bridge loop from Arques, which features around 176 meters of ascent. The region offers a mix of waterside paths and forest trails.
Yes, Blendecques offers many family-friendly options, particularly among the 109 easy routes. These often follow flat, well-maintained paths through scenic areas like the Audomarois Marshes, providing a safe and enjoyable experience for all ages. An example is the Chestnut tree bridge – Ruin of St Martin's church loop from Saint-Omer, which is an easy 16.5 km ride.
Absolutely. Many of the no-traffic touring cycling routes around Blendecques are circular, allowing you to start and end your journey at the same point. For instance, the Fontinettes Boat Lift – Fontinettes Boat Lift loop from Helfaut is a circular route that takes you through picturesque landscapes.
The routes often pass through or near significant natural and historical sites. You can explore the unique wetlands of the Romelaëre Ponds Nature Reserve, a UNESCO-listed area, or cycle alongside the River Aa. Historical landmarks include the impressive Boat Lift of Fontinettes and the grand Saint-Omer Cathedral.
Yes, the region, especially areas like the Audomarois Marshes and the Romelaëre Ponds Nature Reserve, is rich in diverse flora and fauna. Cyclists often have the opportunity to spot various bird species, insects, and aquatic life in these protected natural environments. The Romelaëre Ponds are particularly known for their natural beauty and wildlife.
Many starting points for these routes, especially those near towns like Saint-Omer or Arques, offer designated parking areas. It's advisable to check the specific route details on komoot for recommended parking locations, which are often found near trailheads or local attractions like the Saint-Omer station.
Spring and autumn are generally considered the best seasons for touring cycling in Blendecques. The weather is typically mild, and the natural landscapes are vibrant with spring blooms or autumn colors. Summer can also be pleasant, but it's wise to start early to avoid the midday heat. Winter can be cold and damp, making some paths less enjoyable.
Given Blendecques' proximity to Saint-Omer and other charming villages, you'll find various cafes, restaurants, and accommodation options. Many routes pass through or near these settlements, providing convenient spots for refreshments or an overnight stay. It's recommended to plan your stops in advance, especially in smaller villages.
The komoot community highly rates the touring cycling experience around Blendecques, with an average score of 4.3 stars. Reviewers often praise the tranquility of the no-traffic routes, the unique beauty of the Audomarois Marshes, and the well-maintained paths that make for a relaxing and immersive ride through nature and historical sites.
Blendecques and nearby towns like Saint-Omer are accessible by public transport, including train services to Saint-Omer station. From these hubs, you can often connect directly to the start of many no-traffic cycling routes. Check local bus and train schedules for the most up-to-date information on reaching specific trailheads.
While many routes are ideal for day trips, the region is part of the broader Parc naturel régional des Caps et Marais d'Opale, which includes longer trails like the GR® de Pays Tour de l'Audomarois. This 124 km trail, while primarily for hiking, can be adapted for multi-day cycling, offering an immersive experience through diverse landscapes and connecting various no-traffic sections.


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