Town · Pays de la Loire · Altitude 47 m
Guérande
A walled Breton town of grey granite overlooking a chequerboard of salt marshes, where paludiers still rake salt by hand.
Why go
Guérande is two landscapes in one. Inside its complete ring of medieval walls is a granite town of lanes, crêperies and a big collegiate church; below it, stretching to the sea, is a flat, shimmering mosaic of salt pans where the work has barely changed in centuries. Walk the ramparts in the morning, cycle the marsh paths in the afternoon, and watch the light go pink over the pans: it is as far from a Paris boulevard as you can imagine.
History
Guérande stands on a granite ridge above the Atlantic, on the southern edge of historic Brittany, and its fortune has always come from what lies below: the salt marshes between the town and the sea, where seawater is led through a maze of clay basins and evaporated by sun and wind. Salt was the great preservative of the pre-industrial world, and Guérande’s was shipped far along the Atlantic coast.
The town is best known in history books for a treaty. In the fourteenth century Brittany was torn by a war of succession between two claimants to the duchy, backed respectively by England and France. After Charles of Blois was killed at the battle of Auray in 1364, the first Treaty of Guérande, signed on 12 April 1365, recognised Jean de Montfort as Duke John IV; a second treaty signed here in 1381 settled his relations with the French king.
The walls were built in the same troubled century, after a ducal order of 1343, and completed and strengthened in the fifteenth. They form an almost unbroken circuit of some 1.3 kilometres, with six towers and four gates, the Porte Saint-Michel being the grandest. Brittany kept its exemption from the royal salt tax, the gabelle, after it joined the French crown, which made Guérande salt a staple of smuggling across the border with neighbouring provinces.
The salt industry nearly died in the twentieth century, undercut by industrial salt from the Mediterranean and from mines. From the 1970s a new generation of paludiers revived it, training newcomers and selling hand-raked salt and fleur de sel under the Guérande name, and the marshes are now a protected landscape and a haven for birds.
What to see
The ramparts
One of the most complete town walls in France, with its towers, gates and, on parts of the circuit, a water-filled moat. Walk round the outside on the shaded promenade, then climb up to the stretch of wall walk that is open to visitors for a view over the roofs towards the marshes.
Porte Saint-Michel and the town museum
The great fortified gate, flanked by two round towers, once also served as the governor’s residence. Since 1928 it has housed the town museum, with Breton furniture, costumes and the tools and history of the salt marshes. Climbing its stairs is also the way onto the wall walk.
Collégiale Saint-Aubin
The big granite church at the heart of the walled town mixes Romanesque and Gothic work, rebuilt and enlarged over several centuries. Look at the carved capitals in the nave and the stained glass, then step back into the square to take in the granite façade rising above the low houses around it.
The salt marshes
Between Guérande, Le Croisic and La Turballe, a great flat expanse of clay pans, banks and channels. In summer you can watch paludiers drawing salt from the pans with long wooden rakes and skimming the delicate fleur de sel. Visitor centres and guided walks explain the work; cycle or walk the marsh lanes, and keep off the banks of working pans.

Climate
Météo-France normals 1991-2020, station Herbignac (22 m, 12.9 km away).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 9.9 | 10.9 | 13.6 | 16.3 | 19.6 | 22.7 | 24.6 | 24.9 | 22.3 | 17.8 | 13.5 | 10.6 |
| Low °C | 3.6 | 3.2 | 4.7 | 6.1 | 9.3 | 12.0 | 13.6 | 13.5 | 11.3 | 9.3 | 5.9 | 3.9 |
| Rain (mm) | 99 | 76 | 63 | 64 | 58 | 45 | 46 | 50 | 71 | 96 | 108 | 110 |
| Rain days | 13 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 8 | 12 | 14 | 14 |
Timeline
- 1343 Ducal order to build the town walls
- 1364 Battle of Auray: Charles of Blois is killed
- 1365 First Treaty of Guérande (12 April) ends the War of the Breton Succession
- 1381 Second Treaty of Guérande between John IV and the French king
- 1877 The ramparts are listed as a historic monument
- 1928 The town museum opens in the Porte Saint-Michel
- 1970s Young paludiers revive the declining salt industry
Uncertain or disputed
- The length of the walls is given as about 1.3 km by the town and about 1.4 km by tourism sites.
- The area of the salt marshes depends on whether the whole basin or only the commune of Guérande is counted; we give no figure.
Crowds: Busy at peaks. July and August bring holidaymakers from the nearby beaches of La Baule, especially on market days; spring and September are quieter, and still see salt being harvested in the warm spells. (editorial judgement)
Protected food & drink from here
AOP and IGP products whose official area includes this commune (INAO). Regional food: AOP & IGP →
Meat & charcuterie
- Pâté de Campagne Breton IGP · charcuterie
- Volailles d’Ancenis IGP · poultry
Fruit, vegetables & nuts
- Mâche nantaise IGP · salad leaves
Seafood & salt
- Sel de Guérande ou Fleur de sel de Guérande IGP · sea salt
Butter, oil, honey & more
- Farine de blé noir de Bretagne - Gwinizh du Breizh IGP · flour
Cider & spirits
- Cidre de Bretagne ou Cidre breton IGP · cider
- Whisky breton ou Whisky de Bretagne IG
Wine
- Val de Loire IGP
Festivals within 15 km
From the Ministry of Culture’s national list; it gives a season, not dates.
| Festival | Discipline | Season |
|---|---|---|
| De la page à l'image Le Croisic | Film | 6 Sep – 31 Dec |
| Farniente Saint-Nazaire | Music | 6 Sep – 31 Dec |
| Festival Breton de La Baule La Baule-Escoublac | Music | 21 Jun – 5 Sep |
| Festival de cinéma Zones Portuaires Saint-Nazaire Saint-Nazaire | Film | 1 Jan – 20 Jun |
| Festival du Cinéma et Musique de Film de La Baule La Baule-Escoublac | Film | 21 Jun – 5 Sep |
| Festival du livre en Bretagne de Guérande Guérande | Books & comics | 6 Sep – 31 Dec |
| Fête rebelle et fraternelle Saint-Nazaire | Music | 1 Jan – 20 Jun |
| Instants fertiles Saint-Nazaire | Music | 6 Sep – 31 Dec |
| Jazz et patrimoine Batz-sur-Mer | Music | 21 Jun – 5 Sep |
| La Baule Jazz Festival La Baule-Escoublac | Music | 21 Jun – 5 Sep |
| Les Celtiques Guérande | Music | 21 Jun – 5 Sep |
| Les Escales Saint-Nazaire | Music | 21 Jun – 5 Sep |
| Les nuits salines Batz-sur-Mer | Music | 21 Jun – 5 Sep |
| Les Renc'Arts à Pornichet Pornichet | Theatre, dance & street arts | 21 Jun – 5 Sep |
| Les Rencontres de danse aérienne Saint-Nazaire | Theatre, dance & street arts | 21 Jun – 5 Sep |
| Meeting Saint-Nazaire | Books & comics | 6 Sep – 31 Dec |
+ 4 — Festivals →
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Sources
- Wikipédia (fr) – Guérande
- Ville de Guérande – Visiter la cité médiévale
- Monumentum – Remparts de Guérande
- Inventaire Pays de la Loire – Porte de ville dite porte Saint-Michel
- Wikipedia (en) – Treaty of Guérande (1365)
- Encyclopædia Universalis – Guerre de la Succession de Bretagne
- Ville de Guérande – inauguration de la tour Sainte-Anne (chemin de ronde)
Original text. Train times computed from SNCF timetables (ODbL); climate Météo-France; products INAO; festivals Ministry of Culture. Methodology.
