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Routes
Bike touring routes & trails
France
Hauts-De-France
Saint-Omer
Aire-Sur-La-Lys

Aire-sur-la-Lys Belfry – Chestnut tree bridge loop from Aire-sur-la-Lys

Routes
Bike touring routes & trails
France
Hauts-De-France
Saint-Omer
Aire-Sur-La-Lys

Aire-sur-la-Lys Belfry – Chestnut tree bridge loop from Aire-sur-la-Lys

Moderate

4.0

(9)

25

riders

Aire-sur-la-Lys Belfry – Chestnut tree bridge loop from Aire-sur-la-Lys

03:15

56.2km

200m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 14, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Bus stop

Get Directions

1

653 m

Aire-sur-la-Lys Belfry

Highlight • Historical Site

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".

Translated by Google •

Tip by

2

1.03 km

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

Translated by Google •

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3

2.71 km

Balastières Pond

Highlight • Other

The Federal Ballastières ponds are located on the Lys basin, in the territory of the commune of Aire sur la Lys. These old ballast pits, resulting from the extraction of ballast, are today at the heart of a vast natural area of approximately 109 hectares. The federal fishing zone is divided into two bodies of water. These ponds, of varying depth, are home to cyprinid fish species such as roach, bream, carp, and predators such as pike and perch.

Translated by Google •

Tip by

4

29.3 km

Saint-Omer station

Highlight • Monument

Located in Saint-Omer, France, the Gare de Saint-Omer has a rich history dating back to the 19th century. The first version of the station opened on September 1, 1848, as part of the railway line from Lille to Calais. The original building was modest and located outside the city walls, between the Porte de Lyzel and the Porte du Haut-Pont.
In 1904, a new, monumental station building was inaugurated, designed by the architect Clément Ligny. This building, with its neoclassical architecture, was built with high-quality materials such as blue stone from Soignies and white stone from Creil. The design reflects the grandeur of a 17th-century castle, complete with symmetrical pavilions and decorative elements such as triglyphs and pediments.

Translated by Google •

Tip by

5

29.6 km

Chestnut tree bridge

Highlight • Other

With easy bicycle access. (ideal for reaching the station).

Translated by Google •

Tip by

6

29.7 km

Cycle path and new bridge over the canal in St. Omer.

Translated by Google •

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7

30.0 km

Ghière Canal

Highlight • River

31.8 km

La porte des Chanoines

Ruins

9

52.8 km

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.

Translated by Google •

Tip by

B

56.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

32.2 km

14.1 km

9.55 km

334 m

< 100 m

< 100 m

Surfaces

44.1 km

10.0 km

1.16 km

623 m

334 m

< 100 m

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Elevation

Elevation

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Highest point (70 m)

Lowest point (0 m)

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Weather

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Thursday 21 May

28°C

10°C

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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