The Lys lock – Lys River loop from Houplines

Bike touring routes & trails

The Lys lock – Lys River loop from Houplines

Easy

riders

The Lys lock – Lys River loop from Houplines

01:45

27.5km

40m

Cycling

Easy bike ride. Mostly paved surfaces.

Last updated: September 24, 2026

Waypoints

Start point

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4.37 km

The Lys lock

Highlight • Structure

50's style architecture. It is not possible to cross it though.

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6.21 km

Cycle Path Along the Lys in Armentières

Highlight • Cycleway

Tarmac towpath along the Lys.
A little busy at the weekend near Armentières.

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14.2 km

Gravel Path Along the River

Highlight (Segment) • Trail

Nice, part of it is done in a field. There can be mud in bad weather. Focused more on gravel and mountain biking but doable on vtc if you are not too difficult.

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18.3 km

Newly constructed buildings along the Leie in 1922 for Bières Motte-Cordonnier (bières de l'Etoile) and revived in 2018 with a brewery and bottling plant (can be visited on Fridays or by appointment).

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20.4 km

Lys River

Highlight • Other

23.0 km

Armentières Barrages

Highlight • Bridge

Barrages d'Armentières: On the edge of Armentières lies a unique weir on the Lys, a technical junction that regulates the water level and keeps the river navigable. This weir is …

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23.4 km

⚠️ Flood zone

Highlight • Natural

Be careful, this passage is often inaccessible when there are heavy floods. Sometimes, we just have our feet in the water but sometimes, we have to go around this passage to follow the Lys.

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27.5 km

End point

Way Types & Surfaces

Way Types