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Routes
France
Hauts-De-France
Lille
Mons-En-Barœul

Passerelle Marc Desmazieres – Bonnance marshes loop from Mons Sarts

Routes
France
Hauts-De-France
Lille
Mons-En-Barœul

Passerelle Marc Desmazieres – Bonnance marshes loop from Mons Sarts

Hard

4.7

(79)

266

riders

Passerelle Marc Desmazieres – Bonnance marshes loop from Mons Sarts

02:39

49.6km

100m

Gravel riding

Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.

Last updated: June 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Réserve naturelle du Héron

Waypoints

A

Start point

Train Station

Get Directions

3.43 km

Lac des Espagnols

Lake

2

15.5 km

Greenway along the Marque

Highlight • Cycleway

A smooth-running path, as is almost everywhere along the Marque River.
Also doable by mountain bike.

Translated by Google •

Tip by

3

26.5 km

Passerelle Marc Desmazieres

Highlight (Segment) • Bridge

Great tour!!
Be careful of slipping on wooden bridges (because of the leaves!)
good walk

Translated by Google •

Tip by

4

28.6 km

Bonnance marshes

Highlight • Natural

Marshland surrounded by a very smooth gravel road. Accessible by mountain bike.
The marsh is very dry in summer.

Translated by Google •

Tip by

5

31.5 km

Val de Marque Greenway

Highlight • Cycleway

Superb 100% natural greenway, kilometers of perfectly maintained pleasure.

Translated by Google •

Tip by

6

33.4 km

Single bois de la Noyelles

Highlight (Segment) • Other

Also good to do both ways!
In winter it can be difficult with the mud.

Translated by Google •

Tip by

36.9 km

Bois d'Infière

Forest

8

38.9 km

As the water flows

Highlight • Trail

Very bucolic path along the Marque.
In fine gravel, it is very rolling and ideal for gravel.

Translated by Google •

Tip by

9

41.1 km

Greenway Hem-Anstaing

Highlight • Cycleway

Quiet and appreciable place to ride

Translated by Google •

Tip by

10

42.3 km

Country path along the Marque

Highlight (Segment) • Cycleway

Starting from the Heron Park and its nature reserve, descend towards the marshes of Fretin, Templeuve, and Peronne on a magnificent, beautifully landscaped path.
Passable by all types of bike …

Translated by Google •

Tip by

43.6 km

Lac du Héron

Lake

B

49.6 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

28.0 km

8.27 km

6.34 km

4.78 km

2.14 km

< 100 m

< 100 m

Surfaces

20.7 km

18.1 km

9.91 km

715 m

116 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Thursday 9 July

31°C

18°C

0 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

Comments

August 14, 2024,Gravel parc heron et bois d'infieres au départ de btwin
Chip shop at 2/3 of the route in Fretin, perfect for a lunchtime tour! (Etpatati.fr)

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