4.5
(4)
30
riders
6
rides
Gravel biking around Wavrans-Sur-L'Aa offers diverse terrain in the Pas-de-Calais department. The region features chalk deposits from the Cretaceous period, forming steep cliffs and chalk grasslands, particularly within the Réserve naturelle nationale des grottes et des pelouses d'Acquin-Westbécourt et des coteaux de Wavrans-sur-l'Aa. The Aa Valley provides greenways and river-side paths, while the wider area includes a mix of closed forest roads, small paved roads, and unpaved paths. This varied landscape provides engaging routes for gravel cyclists.
Last updated: July 5, 2026
3
riders
33.4km
02:26
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
52.6km
04:11
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
55.9km
04:11
680m
680m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
32.1km
02:09
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
32.1km
02:09
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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Founded in 1889, this abbey was built in the Gothic style. Listed as a Historic Monument, it consists of several buildings, including two castles. Today, it is home to around twenty Benedictine nuns of all ages. The monastery is partially open to the public: the abbey church, parlor, and shop are accessible.
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From 1859 onwards, the permanent church was built and in 1860 the tower was built. In 1865 the choir was restored and in 1866 a new sacristy was built. This church was consecrated in 1872. The stained glass windows of this church show the coats of arms of the bishops of the former diocese of Thérouanne. They were installed in 1901-1902.
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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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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
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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
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There are 7 gravel bike routes available around Wavrans-Sur-L'Aa, offering a variety of experiences for different skill levels.
The terrain around Wavrans-Sur-L'Aa is quite varied. You'll encounter chalk deposits forming steep cliffs and chalk grasslands, especially within the Réserve naturelle nationale des grottes et des pelouses d'Acquin-Westbécourt. The area also features greenways along the Aa Valley, closed forest roads, small paved roads, and unpaved paths, providing a diverse gravel biking experience.
Yes, there are several moderate routes suitable for those looking for an easier ride. For example, the Greenway along the Aa – Along the Aa loop from Heuringhem is a moderate 37.5 km path that follows the Aa Valley, offering riverside scenery and well-maintained sections.
Absolutely. For experienced riders seeking a challenge, routes like the Saint-Omer Valley – Pihem Ravine loop from Pihem offer significant elevation gain over its 52.65 km distance, leading through varied and demanding terrain. Another difficult option is the Saint Martin Church – Saint-Léger Church, Cléty loop from Pihem, which covers 55.86 km with substantial climbing.
You'll encounter unique natural features, particularly the chalk grasslands and steep cliffs formed by Cretaceous period chalk deposits in the Réserve naturelle nationale des grottes et des pelouses d'Acquin-Westbécourt et des coteaux de Wavrans-sur-l'Aa. The Aa Valley also offers picturesque riverside scenery. These areas are known for rich biodiversity and provide spectacular vistas.
Many routes offer scenic views across the local landscape, especially those traversing the chalk hills and the Aa Valley. While specific viewpoints are not always marked, the varied topography ensures picturesque scenery. For historical landmarks, nearby Saint-Omer offers attractions like the Saint-Omer Cathedral and the Ruin of St Martin's church, which can be explored as part of a longer ride or post-ride visit.
Yes, many of the gravel routes around Wavrans-Sur-L'Aa are designed as loops, allowing you to start and finish in the same location. Examples include the Quelmes – Nice view with boules court loop from Setques and the Pihem Ravine – Le Moulin Pidoux loop from Wisques.
The region is generally pleasant for gravel biking from spring through autumn. Spring brings blooming landscapes, while autumn offers beautiful foliage. Summer is also suitable, though it's always wise to check local weather forecasts, especially for rain which can affect unpaved sections.
The gravel biking routes in Wavrans-Sur-L'Aa are highly rated by the komoot community, with an average score of 4.6 stars from over 6 reviews. Riders often praise the diverse terrain, the mix of forest roads and unpaved paths, and the scenic views across the chalk hills and river valleys.
While specific 'family-friendly' designations aren't provided, the greenways along the Aa Valley, such as sections of the Greenway along the Aa – Along the Aa loop from Heuringhem, tend to be smoother and more accessible, making them potentially suitable for families with older children or those looking for a less strenuous ride.
While specific parking details for every trailhead are not listed, many routes start from villages or towns like Setques, Heuringhem, Pihem, or Wisques, where public parking is generally available. It's advisable to check local parking options for your chosen starting point before your ride.
Generally, no specific permits are required for cycling on public paths and designated routes within natural areas like the Réserve naturelle nationale des grottes et des pelouses d'Acquin-Westbécourt et des coteaux de Wavrans-sur-l'Aa. However, always respect signage and stay on marked trails to protect the sensitive environment.


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