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Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
Villeneuve-En-Retz

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

Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
Villeneuve-En-Retz

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

Easy

3.0

(1)

14

riders

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

00:40

14.2km

40m

Road cycling

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: May 9, 2026

Tips

Includes a segment in which cycling is not permitted

After 9.78 km for 53 m

Waypoints

A

Start point

Parking

Get Directions

1

2.72 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 …

Translated by Google •

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2

6.15 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.

Translated by Google •

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3

9.20 km

Port of Collet

Highlight • Other

For centuries, the port of Collet was the main point of departure for the export of salt produced in the salt marshes of the coast. At the end of the …

Translated by Google •

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4

9.78 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 …

Translated by Google •

Tip by

5

9.81 km

Footbridge over the Falleron

Highlight • Bridge

Small docking point for ships on the canal.

Translated by Google •

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B

14.2 km

End point

Parking

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Way Types & Surfaces

Way Types

10.4 km

2.22 km

861 m

509 m

101 m

< 100 m

< 100 m

Surfaces

9.61 km

4.28 km

217 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

Monday 25 May

34°C

18°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

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

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