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 HoldingThe 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
2–5m
Bottom
mud
Alarm Radius
70m
Crowds
Busy
Full anchoring guide →
Belle-Île — Anse de Goulphar
(Goulphar)Good HoldingBelle-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
3–8m
Bottom
sand
Alarm Radius
80m
Crowds
Moderate
Full anchoring guide →
Île de Groix — Locmaria
(Groix)Excellent HoldingÎle 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
3–7m
Bottom
sand
Alarm Radius
75m
Crowds
Moderate
Full anchoring guide →
Rade de Brest — Île Ronde anchorage
(Brest Roads)Excellent HoldingThe 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
5–12m
Bottom
mud
Alarm Radius
100m
Crowds
Quiet
Full anchoring guide →
Anse des Blancs Sablons (Finistère NW)
(Blancs Sablons)Excellent HoldingAnse 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
3–7m
Bottom
sand
Alarm Radius
80m
Crowds
Quiet
Full anchoring guide →
Baie de Douarnenez
(Douarnenez Bay)Excellent HoldingBaie 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
4–10m
Bottom
sand
Alarm Radius
100m
Crowds
Moderate
Full anchoring guide →
Baie de Quiberon — Anse du Goviro
(Quiberon Bay)Excellent HoldingThe 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
3–7m
Bottom
sand
Alarm Radius
80m
Crowds
Busy
Full anchoring guide →
Anse de Penfret (Îles de Glénan)
(Glénan Islands)Excellent HoldingThe 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
2–5m
Bottom
sand
Alarm Radius
70m
Crowds
Busy
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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