When to go to Lorient and South Brittany?
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Best time: May to September
At a glance
Why go to Lorient and South Brittany?
Lorient looks nothing like the characterful old towns of the Breton coast, and that is what makes it interesting. Founded in the 17th century for the French East India Company, the Compagnie des Indes, which gave it its name, the town was almost entirely destroyed by Allied bombing in January and February 1943, aimed at the German submarine base, which the raids failed to dent. Rebuilt in the 1950s, it now lives facing its roadstead, where trawlers, ferries, naval vessels and racing yachts cross paths.
The Keroman base sums up this history: the bunkers that sheltered the U-boats have become France's leading offshore-racing hub, with boatyards, skippers' racing teams and the Cité de la Voile Éric Tabarly. Across the water, Port-Louis and its citadel recall the era of the East India Company, and offshore the island of Groix keeps the memory of its tuna boats. Every August, the Festival Interceltique makes Lorient the capital of Celtic music.
For travellers, it is a practical and affordable base for exploring southern Brittany: the beaches of Larmor and Guidel, the dunes of Gâvres, the island of Groix forty minutes away by boat, and further afield the Étel river, Carnac or Quimperlé. Families enjoy the sheltered beaches of the roadstead, sailing fans find their centre of gravity here, and festival-goers return every summer.
Map of Lorient and South Brittany: what is where?
The map shows the 6 places covered in this guide, to picture the distances and plan your route.
- Cité de la Voile
- Keroman submarine base
- Festival Interceltique
- Port-Louis citadel
- Île de Groix
- Gâvres peninsula
How much does a trip to Lorient and South Brittany cost?
| Style | Per day | What it covers |
|---|---|---|
| Backpacker | €50-75 per day | camping or simple hotel, crêperies and the Merville market, free beaches, Keroman and Gâvres, one crossing to Groix. |
| Comfort | €100-150 per day | hotel in the town centre or Larmor-Plage, one fish restaurant a day, the Cité de la Voile, the Port-Louis citadel, the submarine Flore and a day on Groix. |
| Premium | €220 and up per day | château hotel on the Blavet or a sea-view room, a private outing on a racing yacht, the harbour's best restaurants, grandstand seats for the Grand Parade. |
Outside the Festival Interceltique, prices stay moderate, even in July. In August, during the ten days of the festival, accommodation rates rise steeply and rooms become scarce within a 30-kilometre radius.
Is Lorient and South Brittany safe?
Lorient and its region are safe, and the main risks come from the sea. Currents are strong at the entrance to the roadstead, in the Laïta estuary and around Gâvres: swim on lifeguarded beaches and avoid estuaries on a falling tide. On Groix, the coastal path on the west coast runs along crumbling cliffs, so stay on the path, especially in strong winds. Crossings to the island can be cancelled in heavy weather in winter. During the Festival Interceltique the town is packed: keep your belongings close in the crowds and opt for the bus or a bike, as parking in the centre is almost impossible.
What to see and do in Lorient and South Brittany
- Cité de la Voile Éric Tabarly
- Keroman submarine base
- Festival Interceltique de Lorient
- Port-Louis citadel
- Île de Groix
- Gâvres peninsula
- Larmor-Plage
- Guidel-Plages and the Laïta
Cité de la Voile Éric Tabarly
Opened in 2005 in the heart of the former submarine base, the Cité de la Voile pays tribute to Éric Tabarly, the sailor who popularised offshore racing in France in the 1960s and whose boats, the Pen Duicks, are moored at the pontoon in front of the building. The exhibition explains offshore racing through experience: sailing simulators, models, films of the great races, and sections on weather, boat design and the life of solo skippers. A pool of radio-controlled yachts lets children make their first tacks. In season, supervised sailing trips leave from the pontoon at 10.45, 14.00 and 15.45 to explore the roadstead under sail. The site also has a zip line and an area for younger children. The visit easily fills half a day, and continues with a stroll between the bunkers and the pontoons where the monohulls and trimarans of the big racing teams are moored.
Keroman submarine base
Built by the Todt Organisation from 1941 on the Keroman peninsula, the base comprises three main blocks. Keroman I, 120 metres long, and Keroman II, with its seven pens, have roofs of 3.5 metres of concrete; Keroman III, the largest, operational in February 1943, was given a 7.5-metre covering. During the war, 168 German submarines were assigned here, and 135 were sunk. Between January and February 1943, the bombing destroyed 3,500 buildings in Lorient and killed more than two hundred civilians without seriously damaging the bunkers. The French Navy then used the base from 1945 to 1997. Since its conversion, it has housed shipyards, marine businesses and offshore-racing teams. The submarine Flore, which entered service in the 1960s and was later decommissioned, has been open to visitors along with its interactive museum since 2010. Standing before the walls, you grasp the sheer scale of the structure: the pens now serve as warehouses and boat sheds, and you can wander freely along the quays.
Festival Interceltique de Lorient
Founded in 1971, the Festival Interceltique has become one of the largest cultural gatherings in France, with hundreds of thousands of visitors each year over ten days, from the first weekend of August to the next. It brings together musicians, dancers and artists from the Celtic nations: Brittany, Ireland, Scotland, Wales, Cornwall, the Isle of Man, Galicia, Asturias, and also the diasporas of America and Australia. Each edition puts one nation in the spotlight. On the first Sunday, the Grand Parade of the Celtic Nations winds through the streets of the town for nearly four hours with around 3,500 participants in costume, led by bagadoù and pipe bands, before entering the Moustoir stadium. The evening shows at the stadium, with several hundred musicians, end with fireworks. The rest of the time, concerts, fest-noz dances, bagad championships and exhibitions fill the town's quays, squares and venues. Turning up without a booking is wishful thinking: accommodation in Lorient and the neighbouring towns fills up from winter.
Port-Louis citadel
Set on a peninsula at the entrance to the roadstead, the citadel was begun by the Spanish at the end of the 16th century, during the Wars of the League, then completed by the French in the following century. It guarded the entrance to the roadstead during the rise of the East India Company, whose ships loaded spices, fabrics and porcelain at Lorient. Today it houses the Musée National de la Marine, which presents more than four centuries of maritime history, with an exhibition in 2026 on the inventions of the engineer Henri Dupuy de Lôme, on until 15 November, and the Musée de la Compagnie des Indes, which tells the story of trade with Asia and the Indian Ocean in the 17th and 18th centuries. The €10 ticket also gives access to the rampart walk, where the view takes in Lorient, Larmor-Plage, Gâvres and Groix. The museum is closed on Tuesdays from September to April. The small town of Port-Louis, with its ramparts, its Grands Sables beach and its streets of shipowners' houses, deserves an hour's stroll after the visit.
Île de Groix
Groix is Lorient's own island, about 45 minutes by ferry from the ferry terminal. 8 kilometres long and 3 wide, with an area of close to 15 square kilometres, it rises to 48 metres. Between 1870 and 1940 it was France's leading tuna port, with around 300 dundee ketches sailing out of Port-Tudy around 1900. The wild west of the island alternates cliffs and steep-sided valleys, with the Trou de l'Enfer, a gorge where the sea surges in during heavy weather. The east is gentler, with coves, rocky flats and the Grands Sables beach, a convex beach, rare in Europe, which has shifted several hundred metres since the 1990s with the currents. The François Le Bail nature reserve, created in 1982 over 98 hectares, protects exceptional geology: more than sixty mineral species, including garnets and blue glaucophane, which earn Groix the nickname of the island of garnets. Cycling is the best way to discover it, and the coastal path circles it in two days.
Gâvres peninsula
Gâvres sits at the tip of a hook-shaped peninsula that closes off the Lorient roadstead to the south-east. The village, home to a few hundred year-round residents, stands at the end of a tombolo, a long ridge of dunes that links it to Plouhinec and encloses a shallow lagoon, the Petite Mer de Gâvres. At low tide, the mudflats of this little sea draw shore fishers and birds: brent geese, egrets, curlews and waders feed here in large numbers, especially in winter. On the ocean side, the long Gâvres beach unrolls its sand at the foot of the dunes, a spot prized by kitesurfers and sand yachters. The village itself keeps a feel of the end of the world, with its little harbour facing the Port-Louis citadel and Lorient. A boat-bus links it to Port-Louis all year round, saving the long detour by road, and a summer line runs to Lorient. The fragile dunes are protected: keep to the marked paths.
How many days, and which itinerary?
Three days are enough for Lorient, Keroman, Port-Louis and a day on Groix. Allow five days to a week to add the beaches, Gâvres, Guidel and a trip to the Étel river or Carnac.
🗺️ Day-by-day itinerary · 📓 Free printable Lorient and South Brittany guide (PDF) · 🌍 All of France
weekend (2 days)
Day 1: the Cité de la Voile Éric Tabarly in the morning, lunch at Keroman harbour, a stroll among the bunkers, the submarine Flore, and the end of the day at Larmor-Plage. Day 2: ferry to Groix, cycle to the Grands Sables beach and the Trou de l'Enfer, last boat back in the evening.
4-5 days
Day 1: Keroman, the Cité de la Voile and the submarine Flore. Day 2: boat to Port-Louis, the citadel and its museums, the Grands Sables beach at Port-Louis. Day 3: Groix by bike. Day 4: Gâvres, the tombolo and the Petite Mer, then Larmor-Plage. Day 5: Guidel-Plages and a walk along the Laïta, dinner in Lorient.
one week
Days 1 to 3: Lorient, Port-Louis and Groix as above, with a night on the island. Day 4: Gâvres and Larmor-Plage. Day 5: Guidel-Plages and Quimperlé. Day 6: the Étel river and Carnac, with its rows of standing stones. Day 7: Hennebont and the Blavet valley by bike, then home.
Getting there and getting around
The TGV links Paris-Montparnasse to Lorient in about 2h45 on direct trains, the others with a change in Rennes. Lorient-Bretagne Sud airport, at Ploemeur, has limited traffic; most travellers go via Nantes or Rennes. By car, Lorient lies on the RN165 expressway between Nantes and Brest.
Around the urban area, the network of buses and passenger boats links Lorient to Port-Louis, Locmiquélic and Gâvres across the roadstead, saving long detours. Ferries to Groix leave from the ferry terminal in the town centre several times a day.
A car is useful for Guidel, the Étel river or Carnac. For Groix, leave it on the mainland: hiring a bike in Port-Tudy is all you need to get round the island.
Where to stay in Lorient and South Brittany?
Budget: Lorient remains one of the cheapest towns on the Breton coast, with two-star hotels in the town centre and near the station at around €70-90. Campsites in Larmor-Plage, Guidel and Groix round out the options in summer.
Comfort: chain and independent hotels in the town centre, at €100-140, handy for walking to the ferry terminal. In Larmor-Plage a few hotels overlook the beach, and Groix has several harbourside hotels for a night on the island.
Our pick: a sea-view room in Larmor-Plage, to watch the racing yachts head out in the morning, or a château hotel up the Blavet river, near Hennebont. During the Festival Interceltique, book six months ahead, whatever your budget.
Our places to stay, stop by stop, at three budgets →
What to eat in Lorient and South Brittany?
Lorient is one of France's leading fishing ports, and it shows on the plate: catch of the day, langoustines, monkfish and sea bass appear on restaurant menus at gentler prices than elsewhere on the coast. The Halles de Merville market in the town centre is the place to buy fish and fresh produce.
Crêperies serve buckwheat galettes and salted-butter crêpes, and kouign-amann is sold in bakeries. During the Festival Interceltique, pop-up pubs serve Breton beers and Scotch and Irish whiskies, and each nation's stalls offer their specialities.
On Groix, try the seafood in the restaurants of Port-Tudy. Oysters from the Étel river can be tasted at the growers', and cider and chouchen, the local mead, go well with a meal.
Entry requirements
Schengen area: an ID card or passport for EU citizens, 90 days visa-free for UK, US, Canadian and Australian passports.
Rules change: check your own government's travel advice before you go.
Frequently asked questions about Lorient and South Brittany
When is the Festival Interceltique de Lorient held?
For ten days at the beginning of August, from the first weekend to the next. The Grand Parade of the Celtic Nations takes place on the first Sunday. The festival publishes the exact dates each year.
How do you get to Groix from Lorient?
By ferry from the ferry terminal in the town centre, with several sailings a day and a crossing of about 45 minutes. Book in summer, especially if you are taking a bike or a car.
What can you see in Lorient in a day?
The Keroman base with the Cité de la Voile Éric Tabarly and the submarine Flore in the morning, then the crossing to Port-Louis for the citadel and its two museums, and sunset at Larmor-Plage.
Where can you swim near Lorient?
At Larmor-Plage (Toulhars, Kerguelen), in Port-Louis, on the long Gâvres beach, at Guidel-Plages and on the beaches of Groix. The roadstead beaches are sheltered, while those at Guidel and Gâvres are more exposed to the swell.
How many days should you spend in Lorient?
Three days for the town, Port-Louis and Groix, a week to add the beaches, Gâvres, Guidel and a trip to Carnac or the Étel river.
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