France — Bretagne (Brittany)

Best Anchorages in Brittany

Atlantic sailing at its most demanding and rewarding — granite islands, tidal ranges of 6–10m, and channels that run at 9 knots on spring tides. These 8 anchorages have been verified for depth, tidal range, and anchor alarm radius.

10m

Max spring tidal range

9 kt

Passage de la Jument stream

40+

Islands in Gulf of Morbihan

SHOM

Chart atlas mandatory

Critical Tidal Warning — Tide Tables Mandatory for Every Movement

Brittany has some of the world's highest tidal ranges — 6–10m on spring tides in the Gulf of Morbihan and N Finistère. Tidal streams reach 9 kt in the Passage de la Jument (Gulf of Morbihan entrance) and 6 kt in the Chenal du Four. Some anchorages DRY at low water on spring tides — always verify depth at LW before anchoring. The Raz de Sein and Raz de Barfleur are among the most dangerous tidal passages in France — time these passages at slack water only. A Reeds Almanac or RCC Pilot is mandatory for Brittany sailing.

8 Verified Anchorages

Golfe du Morbihan (Île de Berder)

(Gulf of Morbihan)Excellent Holding

The Golfe du Morbihan ('Little Sea' in Breton) is one of the most extraordinary sailing destinations in France — a near-landlocked inland sea covering 120km², containing over 40 islands and islets, countless oyster beds, and some of the most dramatic prehistoric monuments in Europe (Carnac megaliths, 4,000 years old).

Depth

25m

Bottom

mud

Alarm Radius

70m

Crowds

Busy

Protected: N NW NE E +Free anchoring

Full anchoring guide →

Belle-Île — Anse de Goulphar

(Goulphar)Good Holding

Belle-Île-en-Mer (Beautiful Island of the Sea) is the largest of the Breton islands and one of the most spectacular — granite cliffs on the W (Côte Sauvage), sandy beaches on the E, and the famous Aiguilles de Port-Coton stacks that Monet painted repeatedly.

Depth

38m

Bottom

sand

Alarm Radius

80m

Crowds

Moderate

Protected: N NW NEExposed: S SW SERestaurantFree anchoring

Full anchoring guide →

Île de Groix — Locmaria

(Groix)Excellent Holding

Île de Groix is a car-free island 8nm off Lorient with distinctive geology (the island has unique blueschist metamorphic rocks — the only exposure in France) and excellent sailing.

Depth

37m

Bottom

sand

Alarm Radius

75m

Crowds

Moderate

Protected: N NW NE WExposed: S SE ERestaurantFree anchoring

Full anchoring guide →

Rade de Brest — Île Ronde anchorage

(Brest Roads)Excellent Holding

The Rade de Brest is one of the world's great natural anchorages — a vast landlocked sea covering 180km², entered through the narrow Goulet de Brest (1nm wide).

Depth

512m

Bottom

mud

Alarm Radius

100m

Crowds

Quiet

Protected: N NW NE E +Exposed: SRestaurantFree anchoring

Full anchoring guide →

Anse des Blancs Sablons (Finistère NW)

(Blancs Sablons)Excellent Holding

Anse des Blancs Sablons at the NW tip of Finistère is one of Brittany's most dramatic and beautiful anchorages — a long white sand beach with views across to the Île de Sein and (in clear conditions) Ouessant.

Depth

37m

Bottom

sand

Alarm Radius

80m

Crowds

Quiet

Protected: N NE EExposed: W SW NWFree anchoring

Full anchoring guide →

Baie de Douarnenez

(Douarnenez Bay)Excellent Holding

Baie de Douarnenez is one of the finest natural anchorages in S Brittany — a large, well-sheltered bay with excellent holding and the characterful town of Douarnenez behind.

Depth

410m

Bottom

sand

Alarm Radius

100m

Crowds

Moderate

Protected: N NW NE E +Exposed: S SWRestaurantFree anchoring

Full anchoring guide →

Baie de Quiberon — Anse du Goviro

(Quiberon Bay)Excellent Holding

The Anse du Goviro on the E coast of the Presqu'île de Quiberon is one of the most pleasant sandy anchorages in S Brittany — a wide sandy beach with good holding, moderate Breton crowds, and the dramatic tidal landscape of the Quiberon Peninsula.

Depth

37m

Bottom

sand

Alarm Radius

80m

Crowds

Busy

Protected: N NW NE WExposed: S SE ERestaurantFree anchoring

Full anchoring guide →

Anse de Penfret (Îles de Glénan)

(Glénan Islands)Excellent Holding

The Îles de Glénan are a ring of small islands 12nm S of Concarneau, creating a near-enclosed lagoon with extraordinary white sand and turquoise water — often described as the closest thing to the Caribbean in France.

Depth

25m

Bottom

sand

Alarm Radius

70m

Crowds

Busy

Protected: N NW NE E +RestaurantFree anchoring

Full anchoring guide →

Brittany Anchoring Rules — Summary

  • !Tide tables essential: Check depth at LW for every anchorage — spring tidal ranges 6–10m. Some Brittany anchorages dry completely at LW springs. Never anchor without calculating the LW depth.
  • !Tidal passages: Passage de la Jument (9 kt), Chenal du Four (6 kt), Raz de Sein, Raz de Barfleur — time all passages at slack water or favourable stream only. A boat making 5 kt against a 9-kt stream makes no progress.
  • !Pilot book mandatory: Reeds Nautical Almanac or RCC Pilotage Foundation North Biscay Pilot — essential for Brittany navigation. Rocks, reefs, and oyster beds not marked on all charts.
  • !Weather window: Atlantic depressions arrive with 12–24h notice. Fog common Jun–Aug. Check MÉTÉO-France Bulletin Météo Marine before every departure.

Anchor Alarm is Essential in Brittany's Tidal Waters

As the tide falls 6–10m overnight, your swinging radius changes dramatically. Safety Anchor Alarm watches your position continuously — critical where tidal streams can set you onto a rock in minutes.

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