International audienceA mid 5th century house, built on an apsis plan, has been excavated on the Plan de la Tour oppidum, near Gailhan. The walls were partly made of mud, supported by stakes, and partly of stone. A partition divided the inside into two rooms and the northern room was used as a store-room (crushed vases, burnt grains of cereals). Until today, the presence of the apsis plan, in prehistoric South Gaul, had only been attested on coast sites, precociously and intensively exposed to Hellenic influence, associated to the use of raw brick (La Monédière, near Bessan, Hérault, and Saint-Blaise, near Saint-Mitre-les-Remparts, Bouches-du-Rhône, 6th or early 5th century BC), thus pleading in favour of a Hellenic origin. But, possibly, t...