4.3
(321)
2,715
riders
223
rides
No traffic touring cycling routes around Esquerdes traverse a varied landscape within the Regional Natural Park of Caps et Marais d'Opale, characterized by river valleys, marshes, and chalky slopes. The region is shaped by the Aa River and its tributaries, offering flat sections along waterways and more undulating terrain through hills like Mont Carrière and Montagne d'Elnes. This area provides a mix of natural environments, from open marshlands to wooded sections, suitable for diverse cycling experiences.
Last updated: October 9, 2026
4.3
(3)
37
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
24
riders
63.8km
05:31
1,000m
1,000m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

19
riders
53.2km
04:06
750m
750m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
10
riders
30.3km
02:31
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
20
riders
47.6km
03:39
460m
460m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The neo-Gothic church was built before 1597 and replaced another building from the 11th century, which stood near the current chapel of Notre-Dame des Affligés. It was partially rebuilt in 1855. The tower dates from 1683. The originality of this construction lies in the fact that the bell tower is not above the entrance door, but above the choir. The door is simply formed by a pointed arch decorated with a pentacle. The first two bays of the nave are built of red brick and the last two in chalk. The four bays of the nave also have a pointed arch. The bell tower is formed by a gable wall that projects above the nave. The buttresses on this side are placed in line with the wall, creating a flat surface. The buttresses of the bell tower on the choir side are well placed on the corners
4
0
The Église St Léger in Cléty is a Catholic church located in the heart of the village, surrounded by a cemetery1. The church is of simple design, with a single nave and a semicircular apse2. It dates from the 16th or early 17th century and has a tower built in 1662 or 16651. The church has a benitier with a basin in brown marble in Louis XV style, a 0.68 m wooden statue from the 16th century of Sainte Anne, the Virgin and the Child Jesus, and a staircase to the top of the tower where a bell can be seen - there used to be two - with a diameter of 1.10 m, cast by Pierre Voulemin in 1678 and donated by Mary, wife of Adrien de Mames (Mametz), lord of Cléty
4
0
The Saint-Omer church. Its bell dates from 1462 and is classified as a historical monument.
4
0
Nice descent to Remilly-Wirquin and first a beautiful panorama over the Aa valley
4
0
It is a former French gunpowder factory that was founded in the 17th century by the “Régie Royale des Poudres et Salpêtres” under Louis XIV to supply the army with gunpowder and to meet certain civilian needs. The factory closed in 1972 and has been abandoned since then. The site is polluted by large quantities of nitrates that remain in the soil. The area is now a protected nature reserve and is open to the public
4
0
Setques is located in the Aa valley and has a church dedicated to St-Omer from the 18th century
4
0
There are over 180 dedicated traffic-free touring cycling routes around Esquerdes, offering a wide variety of options for exploring the region. These routes range in difficulty, ensuring there's something for every cyclist.
The traffic-free touring routes around Esquerdes offer diverse terrain. You'll find many routes following the scenic Aa River and through the Serques Marshes, providing flat and gentle paths. Other routes venture into the Regional Natural Park of Caps et Marais d'Opale and the Vallée de Wavrans, where you might encounter more undulating sections and chalky slopes, offering varied challenges and views.
Yes, the routes cater to all skill levels. You'll find approximately 50 easy routes perfect for a relaxed ride, around 85 moderate routes for those seeking a bit more challenge, and over 50 difficult routes for experienced touring cyclists looking for more demanding terrain and longer distances.
Absolutely. Many of the traffic-free touring routes around Esquerdes are designed as loops, allowing you to start and finish at the same point. For example, consider the Greenway along the Aa – Greenway along the Aa River loop from Saint-Omer for an easy ride, or the more challenging Greenway along the Aa – Along the Aa loop from Lumbres.
The region is rich in natural beauty. Many routes follow the tranquil Aa River and its tributary, the Houlle River, through the picturesque Serques Marshes, which are excellent for nature observation. You'll also cycle through parts of the Regional Natural Park of Caps et Marais d'Opale, offering varied landscapes, and might encounter the unique chalky slopes of La Vallée de Wavrans.
Yes, several routes pass by significant historical and cultural points of interest. You could visit the impressive Saint-Omer Cathedral and the historical Ruin of St Martin's church in Saint-Omer. Another fascinating stop is the historic Boat Lift of Fontinettes, a marvel of industrial heritage.
Yes, parking is generally available in towns and villages that serve as starting points for these routes, such as Saint-Omer or Lumbres. Many routes are designed to be accessible from these locations, often with designated parking areas for visitors.
Yes, some starting points are accessible by public transport. For instance, the town of Saint-Omer has a train station (Saint-Omer station), making it a convenient hub to begin a traffic-free cycling tour along the Aa River or into the surrounding areas. It's advisable to check local transport schedules for specific route access.
The best seasons for touring cycling in Esquerdes are typically spring (April to June) and autumn (September to October). During these months, the weather is generally mild, and the natural landscapes are particularly beautiful, with blooming flowers in spring and vibrant foliage in autumn. Summer can also be pleasant, though it may be warmer.
Many of the easier, flatter routes, especially those along the Aa River greenway, are ideal for families. These paths often provide a safe and enjoyable environment away from vehicle traffic. The Greenway along the Aa – Greenway along the Aa River loop from Saint-Omer is a great example of a family-friendly option.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the tranquility of the traffic-free routes, the scenic beauty of the river valleys and marshes, and the opportunity to discover charming villages and historical sites without the disturbance of cars. The variety of terrain and route lengths also receives positive feedback.
While many routes follow well-known paths like the Aa River greenway, exploring the smaller paths within the Regional Natural Park of Caps et Marais d'Opale can reveal quieter, less-trafficked sections. Routes that venture towards the Houlle River, such as those passing Along the Houlle River, often offer a more secluded experience amidst the marshlands.


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