Vestiges de l'usine de salaison gallo-romaine du Resto
MonumentHidden Treasure
Vestiges de l'usine de salaison gallo-romaine du Resto, located in Lanester (Département 56), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Lanester, Département 56, Bretagne
- Visit
- Closed to visitors
- GPS
- 47.7730, -3.2916
- Mérimée Reference
- PA56000031
In the heart of Lanester, these Gallo-Roman remains reveal a rare salting factory from the 1st-3rd centuries: hydraulic vats, garum and Atlantic maritime trade at the time of the Pax Romana.
History
Tucked away in the subsoil of Lanester, on the banks of the Blavet and Lorient harbour, the remains of the Resto salting factory are one of the most precious testimonies to the Roman presence in Atlantic Armorica. Far from the spectacular monuments of southern Gaul, this discreet archaeological site nevertheless provides an exceptional window onto a sophisticated food industry that supplied the entire Empire with marine condiments. What makes the site truly singular is the worldwide rarity of these salting installations in the Roman context. The officinae salsamentariae - fish-processing workshops - are known mainly from the Lusitanian coasts, Hispania Baetica and North Africa. Discovering one so well preserved on the Atlantic coast of Gaul profoundly changes our understanding of Roman trade networks in the Great West. The hydraulic mortar-coated vats bear witness to a remarkable technical mastery, designed to contain the corrosive liquids from the garum fermentation process. To visit the Resto is to immerse yourself in the daily economy of ancient Rome from a rarely explored angle. Rather than palaces or baths, you'll discover the other side of the coin: industry, trade, the transformation of local resources - sardines, mackerel, Atlantic sprats - into products of high commercial value shipped to the urban markets of the Empire. This very prosaic nature gives the site a striking authenticity. The archaeological interest of the site is enhanced by its geographical setting. Lanester lies on the left bank of the Blavet, opposite Lorient, in an area that has been a natural maritime crossroads between the Breton peninsula and the major ocean routes since Antiquity. Access by river enabled the supply of sea fish and the shipment of garum amphorae to distant markets. The Resto site is therefore part of an economic logic that is perfectly consistent with its geography.
Architecture
The functional layout of the Resto salting factory is typical of Roman processing plants, adapted to the specific constraints of marine condiment production. The overall layout is based on a rectangular building arranged around an open central courtyard, a pattern found in the artisanal insulae of many Roman cities. This layout facilitated the flow of raw materials - freshly caught fish - from outside to the work areas, while allowing the natural ventilation that was essential to the fermentation process. The most remarkable architectural feature is the series of four salting tanks. These masonry basins, probably between two and four metres square and one to two metres deep, are the site's real production tools. Two of them still have their internal lining of opus signinum - a hydraulic mortar made from crushed roof tile mixed with lime - whose characteristic pinkish hue and resistance to water made it the material of choice for all Roman liquid containers, from swimming pools to water tanks, not forgetting these fermentation vats. The building materials used reflect the local resources of Roman Armorica: granite and schist for the masonry, lime mortar for the joints, tegulae and imbrices for the roofing of the enclosed spaces. The overall effect is one of meticulous construction, a substantial economic investment that testifies to the anticipated profitability of the activity, at a time when the production of Atlantic-quality garum could compete commercially with Mediterranean products.
Related Figures
Artisans gallo-romains locaux ayant construit et exploité l'usine (Ier-IIIe s. ap. J.-C.)Négociants en garum actifs dans le commerce atlantique romainArchéologues des services régionaux de l'archéologie de Bretagne (fouilles contemporaines)Pêcheurs armoricains fournisseurs de matière première à l'usine
Tags
Frequently Asked Questions
Where is Vestiges de l'usine de salaison gallo-romaine du Resto located?
Vestiges de l'usine de salaison gallo-romaine du Resto is located in Lanester, Département 56 department, Bretagne region, France.
Is Vestiges de l'usine de salaison gallo-romaine du Resto open to visitors?
Vestiges de l'usine de salaison gallo-romaine du Resto is currently closed to visitors.