Mouillage

La vilaine

FranceMorbihan
Shelter
W, SW, S, SE
Seabed
rock
Anchoring
Allowed

River anchorage on the Vilaine between the Arzal dam and La Roche-Bernard, rock bottom, protected from W to SE winds.

Guide

Approach and anchoring

The Vilaine is entered from the sea through the Arzal lock, built in 1970 to dam the estuary. Lock operates by day with set cycles. Above the lock the river carries fresh water with negligible tide. Channel buoyed to La Roche-Bernard, the rock bottom makes anchor holding uneven.

Practical

Port d'Arzal-Camoël sits just above the dam with around 1000 berths, fuel, water, electricity and a boatyard. Port de la Roche-Bernard lies 1 NM upstream with visitor pontoons and all village shops within 200 m of the quay.

Ashore

La Roche-Bernard is a Petite Cité de Caractère with 16th and 17th century houses above the river. The old shipbuilding port on the Rouzic stream recalls the launch of the 58-gun ship La Couronne in 1634. Nature trail along the Vilaine gorges from the village.

History

The Vilaine was closed to tidal flow by the Arzal barrage commissioned in 1970 to supply drinking water to the Morbihan and control flooding. La Roche-Bernard was a Protestant stronghold and royal shipyard in the 17th century.

Key facts

Type
Anchorage
Coordinates
47.50997, -2.32830 (47°30.60'N 2°19.70'W)
Country
France
Shelter
Sheltered from west, south-west, south, south-east winds
Seabed
rock
Anchoring
Allowed
Updated
July 7, 2026

Getting there

La vilaine lies at 47°30.60'N 2°19.70'W, that is 47.50997, -2.32830 in decimal degrees.

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Frequently asked questions

Which winds is La vilaine sheltered from?

La vilaine is sheltered from west, south-west, south, south-east winds.

Can you anchor at La vilaine?

Yes, anchoring is allowed at La vilaine.

Vilaine

France

4.8Mouillage0.6 NM

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