4.2
(11)
374
riders
68
rides
Road cycling routes around Aire-Sur-La-Lys traverse a predominantly flat landscape, characterized by tranquil waterways and charming countryside. The region's "plat pays" offers extensive views across fields and small wooded areas, making it suitable for varied cycling experiences. A well-developed network of cycling routes follows canals and rivers, providing smooth surfaces for rides. This environment supports both leisurely outings and more focused training.
Last updated: May 23, 2026
5.0
(3)
48
riders
29.1km
01:09
30m
30m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
3.0
(1)
26
riders
49.3km
02:03
170m
170m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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15
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
15
riders
81.2km
03:37
620m
620m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.5
(2)
10
riders
46.3km
01:53
260m
260m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Marina on the canal, the cycle path is great up to there.
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Worth seeing monastery ruins.
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Thérouanne was Sigeric's 77th stop on his return from Canturbey's pilgrimage to Rome. In the 19th century, this fortified town was a French enclave within the German Empire, but was razed by Charles V in 1553. On the hill north of the town are the remains of one of the first cathedrals built in the Gothic style in France. The famous Great God of Thérouanne, which adorned one of the portals, is now housed in Saint-Omer Cathedral.
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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 Ruins of Clairmarais Abbey are a fascinating historical relic in Clairmarais, Hauts-de-France. This abbey was originally founded in 1140 by monks of the Cistercian order, led by Gonfroi, a follower of Bernard of Clairvaux. The abbey was dedicated to the Virgin Mary and was known as a spiritual and agricultural center in the region. Unfortunately, the abbey was dissolved in 1791 during the French Revolution, and only the ruins remain.
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Thérouanne is stop 77 of Sigeric on his return journey from Canterbury to Rome. The town is also located on the historic road between Boulogne and Arras (Chaussée Brunehaut). In the 16th century, this fortified town was a French enclave within the German Empire, but was razed to the ground by Charles V in 1553. On the hill to the north of the town lie the remains of one of the first cathedrals built in the Gothic style in France. The famous Grand dieu de Thérouanne, which once adorned one of the portals, is now in the cathedral of St-Omer.
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This mill currently hosts a gîte.
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The region around Aire-Sur-La-Lys is known for its 'plat pays' (flat country), offering extensive views across fields and small wooded areas. You'll find a well-developed network of cycling routes, particularly along tranquil waterways like the Lys and Neuffossé canal, providing smooth surfaces ideal for both leisurely rides and focused training. The area's flat terrain makes it accessible for various skill levels.
Yes, Aire-Sur-La-Lys offers many routes suitable for beginners and families due to its predominantly flat landscape. Out of over 50 road cycling routes available, 24 are rated as easy. These often follow canals and rivers, providing a gentle and scenic experience.
For those seeking longer rides, the region offers several options. One popular route is the Aire-sur-la-Lys Belfry – Quai du Commerce, Arques loop from Aire-sur-la-Lys, which covers 33.5 miles (53.9 km) and takes you through the local countryside. Another option is the Aire-sur-la-Lys Belfry – Waterfall of Nave river in Bourecq loop from Rincq – Calvaire, a moderate 42-mile (67.6 km) route.
Yes, many of the road cycling routes in Aire-Sur-La-Lys are designed as loops, allowing you to start and finish in the same location. For example, the The Old Lys – Saint-Venant Watermill loop from Aire-sur-la-Lys is a popular 18.5-mile (29.8 km) circular route that follows the Old Lys river.
The routes often feature extensive views of fields, small waterways, and wooded areas. You'll frequently cycle alongside tranquil canals and rivers like the Lys, Petite Lys, and Neuffossé canal, which are often lined with trees, creating a peaceful backdrop. The Parc des Ballastières also offers natural beauty with its ponds and paths.
The region is rich in historical context. You can pass by landmarks such as the Saint-Pierre Collegiate Church of Aire-sur-la-Lys. Some routes also take you near the Boat Lift of Fontinettes or the The Thiennes Bridge, offering glimpses into the area's heritage.
The road cycling routes in Aire-Sur-La-Lys are highly rated by the komoot community, with an average score of 4.5 stars. Cyclists often praise the smooth, well-maintained surfaces along the canals and rivers, the flat terrain making for enjoyable rides, and the charming countryside views.
Yes, for a route that includes a unique natural feature, consider the Aire-sur-la-Lys Belfry – Waterfall of Nave river in Bourecq loop from Rincq – Calvaire. This route specifically mentions passing by the Waterfall of Nave river in Bourecq.
While specific seasonal data isn't provided, the generally flat terrain makes road cycling enjoyable for much of the year. Spring and autumn typically offer pleasant temperatures and less crowded paths. Summer is also popular, especially along the shaded canal routes.
Many routes will naturally take you through or near the four charming hamlets of Aire-sur-la-Lys: Rincq, Glomenghem, Moulin le Comte, and La Jumelle. These offer a glimpse into the local character and provide opportunities to experience the wider countryside.
Yes, the Saint-Venant Marina – Lys Dyke loop from Aire-sur-la-Lys is a popular 26.9-mile (43.3 km) route that specifically explores the Lys Dyke and the Saint-Venant Marina area, featuring flat terrain alongside waterways.


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