Marais de Lyarne – Port du Collet loop from Les Moutiers-en-Retz

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Hiking trails & Routes

Marais de Lyarne – Port du Collet loop from Les Moutiers-en-Retz

Moderate

4.8

(4)

hikers

Marais de Lyarne – Port du Collet loop from Les Moutiers-en-Retz

05:00

19.6km

60m

Hiking

Moderate hike. Good fitness required. Easily walkable paths. The starting point of the route is accessible with public transport.

Last updated: August 17, 2026

Waypoints

Start point

Bus stop

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6.62 km

Marais de Lyarne

Highlight • Other

The Lyarne marsh, Natura 2000 site, is a former salt marsh with dunes and reedbeds. It is a haven of peace for birds and horses.

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7.38 km

Plage de Lyarne

Beach

8.54 km

Collet Dune

Highlight • Other

From the Lancastria to the port of Collet is a beautiful hiking area.
A breathtaking view of the Bay of Bourgneuf and the island of Noirmoutier!
Just one piece of advice: don't forget your camera.

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9.32 km

Baie de Bourgneuf Coastal Trail

Highlight • Trail

10.1 km

Port du Collet

Highlight • Other

Water management is essential for life in the swamp, it is managed by the SAH. (Syndicate of the Southern Loire Hydraulic Development). 51 municipalities are affected by the regulation of …

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10.2 km

Footbridge over the Falleron

Highlight • Bridge

Small docking point for ships on the canal.

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11.0 km

Lock

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The villages of "Port La Roche" and "Fresne" are located at the crossroads of the Loire Atlantique and Vendée in the heart of the Marais Breton. The water from the …

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19.2 km

Chapel of Prigny

Highlight • Religious Site

Prigny, is actually the old village of Moutiers-en-Retz, and this chapel was the first church of Moutiers, because until the end of the Middle Ages, Moutiers were only a simple …

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