4.3
(3)
35
riders
10
rides
Gravel biking around Aire-Sur-La-Lys is characterized by a diverse landscape of river valleys, woodlands, and expansive agricultural fields. The region's terrain includes relatively flat sections along waterways like the Lys River, as well as more challenging routes through ravines and past historic châteaux. Elevations vary, with some climbs exceeding 700 meters, offering options for different fitness levels. The natural heritage is strongly linked to the Lys River and its tributaries, creating a verdant setting for no traffic gravel bike trails.
…Last updated: July 3, 2026
6
riders
47.0km
02:48
200m
200m
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
56.6km
03:32
250m
250m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
41.0km
02:32
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
55.9km
04:11
680m
680m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Aire-Sur-La-Lys
The belfry of Aire-sur-la-Lys (in Dutch: Ariën-aan-de-Leie) is a historic, baroque belfry in the French department of Pas-de-Calais that has been on the UNESCO World Heritage list since 2005. The striking tower is attached to the town hall and dominates the skyline of the historic town.
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Beautiful cycle path along the pond landscape, EV5.
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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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A pleasant cycling route through the Parc Naturel des Ballastieres. This former ballast extraction site is now a natural area with a pleasant walking trail a stone's throw from the city. On and around the bodies of water, nature is reclaiming its rights and many species have taken up residence there under the gaze of the Highland cows that maintain the place.
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The Pont de Thiennes is a traffic bridge located on the Leie, connecting the municipalities of Thiennes and Aire-sur-la-Lys. The bridge was inaugurated in 2014. It is built of Soignies granite and was financed by the state (33.9%) for war damage, by the department of Pas-de-Calais (33.05%) and by the department of Nord (33.05%). The bridge is equipped with a lifting system to allow the passage of boats.
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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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There are 9 dedicated no-traffic gravel bike trails around Aire-Sur-La-Lys listed in this guide. These routes offer a mix of easy, moderate, and difficult options, ensuring there's something for every skill level.
The terrain around Aire-Sur-La-Lys is quite diverse, ranging from relatively flat paths along waterways like the Lys River to more challenging routes through ravines and past historic châteaux. You'll encounter a mix of gentle paths and climbs, with some routes featuring elevation gains exceeding 700 meters, such as the difficult Saint-Omer Valley – Pihem Ravine loop from Pihem.
Yes, the region offers several easy and flat routes ideal for families. The Véloroute de la Lys (V367) is particularly suitable, as it follows an old towpath that is free from motor vehicles, providing a safe and enjoyable experience along the river. An easy option from this guide is the Château de la motte au bois – Watten Lock loop from Saint-Venant, which has minimal elevation gain.
Absolutely! Many no-traffic gravel routes in Aire-Sur-La-Lys pass by significant natural features and historical landmarks. You can explore paths along the tranquil Lys River, discover the nature and wildlife area of Les Ballastières, or encounter historic mills like the Moulin Espagnol d'Enquin les Mines. The Château de la motte au bois – The Thiennes Bridge loop from Roquetoire, for example, takes you past the notable Thiennes Bridge.
Yes, for experienced riders seeking a challenge, there are difficult routes available. The Saint-Omer Valley – Pihem Ravine loop from Pihem is a demanding 52.6 km path with over 770 meters of elevation gain. Another difficult option is the Saint Martin Church – Saint-Léger Church, Cléty loop from Pihem, offering similar elevation challenges.
Many trailheads and starting points for gravel routes in the Aire-Sur-La-Lys region are located in or near towns and villages, where public parking is generally available. For routes starting from places like Roquetoire, Pihem, Ham-en-Artois, or Saint-Venant, you can typically find parking in designated areas within these communities, often near local amenities or public spaces.
While public transport options might be limited directly to every trailhead, Aire-Sur-La-Lys itself is accessible by train and bus. From the town, you can often cycle to nearby trail starting points. The Aire-sur-la-Lys Marina, a hub for river activities and cycling routes, is easily accessible within the town and connects to various paths suitable for gravel bikes. For more information on the marina, you can visit Tourisme Saint-Omer.
Yes, all the no-traffic gravel bike trails featured in this guide are circular routes. This means you'll start and end at the same point, making logistics simpler. Examples include the Linghem Wood – The Thiennes Bridge loop from Ham-en-Artois and the Château de la motte au bois – Watten Lock loop from Saint-Venant.
The spring and autumn months are generally ideal for gravel biking in Aire-Sur-La-Lys. The weather is typically mild, and the natural landscapes are particularly beautiful, with lush greenery in spring and vibrant colors in autumn. Summer can also be pleasant, especially along the shaded river paths, but be mindful of warmer temperatures. Winter rides are possible, but some paths might be muddy.
While specific cafe stops are not always directly on the trails, many routes pass through or near charming villages and towns where you can find local bakeries, cafes, or small shops for refreshments. Planning your route to include a stop in a village like Ham-en-Artois or Saint-Venant can add a pleasant break to your ride. The Aire-sur-la-Lys Marina area also offers amenities.
The komoot community highly rates the gravel biking experience in Aire-Sur-La-Lys, with an average score of 4.0 out of 5 stars. Reviewers often praise the peaceful, traffic-free nature of the trails, the beautiful riverine landscapes, and the diverse terrain that caters to various skill levels. The region's natural beauty and historic ambiance are frequently highlighted as key attractions.
The no-traffic gravel bike trails in this guide vary in length and duration. You can find routes ranging from approximately 34 km, like the Château de la motte au bois – Watten Lock loop from Saint-Venant (around 1 hour 50 minutes), up to 56 km, such as the Linghem Wood – The Thiennes Bridge loop from Ham-en-Artois (around 3 hours 30 minutes). The duration depends on your pace and the route's difficulty.


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