4.5
(38)
2,189
riders
68
rides
No traffic road cycling routes around Delettes traverse a landscape characterized by extensive agricultural plains and gently rolling countryside. The region features roads with gradual climbs and flat sections, catering to various cycling preferences. The scenic Lys Valley, with its verdant surroundings, provides a picturesque backdrop for rides. Natural elements like woodlands and streams are also present, offering diverse scenery for road cyclists.
Last updated: May 8, 2026
32
riders
98.9km
04:16
480m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
21
riders
61.9km
02:46
430m
430m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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16
riders
47.2km
02:05
150m
150m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
34.8km
01:32
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
23.0km
01:03
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Delettes
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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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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and the cemetery crucifix
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This Spanish mill was built around 1635, on the banks of the Lacquette River. It produced flour until 1938, then milling for livestock. It was bought in 1974 to be transformed into a home. It is built with brick and stone (white limestone). All that remains of the original building is the north gable (17th century), and also a porch. The water wheel is still in place but it no longer turns. The dam forms a pretty waterfall. A turret was added on the river side. It is a very beautiful private home with a beautiful garden in which you can see a stone fountain.
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The Beffroi d'Aire-sur-la-Lys is a monument that is part of the heritage of Aire-sur-la-Lys. It was first built in 1355 and rebuilt between 1716 and 1724 by the architect Hérogue. It has been listed as a historic monument since 1947 together with the adjacent town hall1. The beffroi is 45 meters high and rests on four large pillars of brick and stone, two meters thick, which demarcate an interior space of six meters wide. It is of Baroque style and is part of the list of 23 belfries inscribed on the UNESCO World Heritage List in 2005 as part of the list of "Belfries of Belgium and France".
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This is one of the finest examples of the Flamboyant Gothic and Renaissance in French Flanders. The imposing tower (62m) resembles that of Notre-Dame in Saint-Omer. Inside, the pattern of the ribs of the vaults has been transferred to the floor. The choir is closed by a beautiful rood screen; on the left is the gilded statue of Notre-Dame Panetière. The oak organ case comes from the abbey church of Clamarais. Choir and apse suffered from a bombardment in 1944. In the back you can see a beautiful Virgin and Child (15th century)
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The Collegiate Church of Saint-Pierre is a former collegiate church in the town of Aire-sur-la-Lys (Pas-de-Calais, France). The monument impresses with its dimensions, and is an emblem of the city of Aire. The collegiate church is considered one of the most important Flamboyant and Renaissance monuments in the Southern Netherlands. It was built between 1492 and 1634. The tower of the collegiate church collapsed in 1569 and was rebuilt between 1569 and 1624. The Saint-Pierre collegiate church was classified as a historic monument in 1862. The dimensions of the building are considerable : Total exterior length: 105 m, total exterior width: 40 m, Width of the central nave: 10 m, height of the large vaults: 20 m Height of the side vaults: 10 m, height of the tower: 65 m
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There are over 75 dedicated no traffic road cycling routes around Delettes, offering a variety of options for cyclists. These routes are specifically designed to keep you away from heavy vehicle traffic, providing a more serene and enjoyable ride.
The majority of no traffic road cycling routes around Delettes are classified as moderate, with 55 such routes. There are also 15 easy routes perfect for a relaxed ride, and 7 more challenging options for experienced cyclists looking for a greater test.
You can expect a diverse and picturesque landscape. Routes often traverse extensive agricultural plains and gently rolling countryside, offering open vistas. Many also pass through the verdant Lys Valley, featuring the Lys River and scenic sluice mills. You'll also find natural features like woodlands and streams, providing a refreshing change of scenery.
Yes, many of the no traffic road cycling routes in the area are circular. For example, you could try the moderate 47.2 km Thérouanne – Étang de Rebecques loop from Thérouanne, or the longer 99.8 km The beautiful hump loop from Enguinegatte.
The routes often pass through charming historic villages and past traditional water mills. A great example is the 17th-century Moulin Espagnol d'Enquin les Mines. Other points of interest include Le Moulin Pidoux and the The Dome. You might also encounter local markets in nearby towns like Aire-sur-la-Lys, Lumbres, and Fruges.
The no traffic road cycling routes around Delettes are highly rated by the komoot community, with an average score of 4.5 out of 5 stars from 38 ratings. Cyclists often praise the quiet roads, the scenic beauty of the Lys Valley, and the varied terrain that caters to different fitness levels.
Absolutely. For those seeking a longer challenge, routes like the 99.8 km The beautiful hump loop from Enguinegatte offer significant distance and elevation. Another excellent option is the 77.5 km Source of the River Lys – Amettes loop from Enquin-les-Mines.
While Delettes itself is not directly within a major park, it is in proximity to the Caps et Marais d'Opale Regional Natural Park, about 25 km away, which is a recognized biosphere reserve. Additionally, nearby natural reserves like the "Réserve naturelle nationale des grottes et des pelouses d'Acquin-Westbécourt et des coteaux de Wavrans-sur-l'Aa" (9km away) offer opportunities for diverse outdoor exploration, and some routes may pass close to these protected areas.
Many routes combine both. For instance, the Abandoned Country Road loop from Enquin-les-Mines takes you through quiet countryside, potentially near historical elements. The region's charm lies in its blend of agricultural fields, woodlands, and historic villages, ensuring a varied experience on most rides.
The region's gently rolling countryside and agricultural plains are beautiful throughout the warmer months. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Always check local weather conditions before heading out.
Yes, some routes incorporate local landmarks. For example, the Aire-sur-la-Lys Belfry – Thérouanne loop from Dohem offers a chance to see the historic belfry in Aire-sur-la-Lys. You might also pass by structures like the Notre-Dame-de-Bon-Secours Church of Hallines on various routes.


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