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Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
La Chapelle-Des-Marais

Arzal Dam – Port of Camoël loop from La Chapelle-des-Marais

Routes
Road cycling routes
France
Pays de la Loire
Saint-Nazaire
La Chapelle-Des-Marais

Arzal Dam – Port of Camoël loop from La Chapelle-des-Marais

Moderate

11

riders

Arzal Dam – Port of Camoël loop from La Chapelle-des-Marais

01:37

37.5km

210m

Road cycling

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: March 21, 2026

Tips

Cycling is not permitted along parts of this route

After 260 m for 199 m

After 21.3 km for 57 m

After 22.2 km for 72 m

After 22.4 km for 72 m

Waypoints

A

Start point

Bus stop

Get Directions

1

359 m

La Chapelle des Marais

Highlight • Other

2

14.8 km

3

21.2 km

Arzal Dam and Marina

Highlight • Monument

Built in 1970, the Arzal dam allows the regulation of the waters of the Vilaine and the storage of drinking water for the inhabitants of the region. Its construction allowed …

Translated by Google •

Tip by

4

21.7 km

Arzal Dam

Highlight • Monument

The Arzal dam is built on the Vilaine estuary between Arzal and Camoël. It is the largest estuary dam in Europe. It is 500 meters long and has a sea …

Translated by Google •

Tip by

5

22.4 km

Port of Camoël

Highlight • Other

This hill offers a view of the Arzal-Camoël dam; but also some information panels on the evolution of the wild estuary towards the current site and the work in front of you.

Translated by Google •

Tip by

6

24.3 km

Pretty little road

Highlight • Other

Pleasant section of the Rance and Vilaine cycle route, between Vieille Roche and Keraudrain.

Translated by Google •

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B

37.5 km

End point

Bus stop

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Way Types & Surfaces

Way Types

27.4 km

4.33 km

2.84 km

2.01 km

842 m

< 100 m

< 100 m

Surfaces

33.5 km

2.97 km

567 m

134 m

109 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

Tuesday 26 May

34°C

17°C

0 %

Additional weather tips

Max wind speed: 11.0 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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