Start of occupation IIIᵉ siècle av. J.-C. (≈ 100 av. J.-C.)
Foundation of the opidum celto-ligure.
IIᵉ siècle av. J.-C.
Expansion phase
Expansion phase IIᵉ siècle av. J.-C. (≈ 100 av. J.-C.)
A peak before decline related to Rome.
123 av. J.-C.
Partial destruction
Partial destruction 123 av. J.-C. (≈ 100 av. J.-C.)
Linked to the take of Entremont by Rome.
27 août 1970
Historical monument classification
Historical monument classification 27 août 1970 (≈ 1970)
Registration by ministerial decree.
1963–1981
Search campaigns
Search campaigns 1963–1981 (≈ 1972)
Works by Pouyé, Cheylan and Arcelin.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Oppidum celto-ligure (cad. BE 131 to 133, 136, 277, 138 to 142): inscription by order of 27 August 1970
Key figures
Bernard Pouyé - Archaeologist
Searches from 1963 to 1967.
Georges Cheylan - Archaeologist
Searching in the 1970s.
Patrice Arcelin - Archaeologist
Searches from 1980 to 1981.
Origin and history
The Pierredon Oppidum is a major archaeological site located at the top of Pierredon Hill, south of Eguilles in Bouches-du-Rhône. This fortified village Celto-ligure, dated between the third century BC and the beginning of the Gallo-Roman period, consists of houses, workshops, reserves and three ramparts reinforced by towers. Its peak occurred in the 2nd century BC, before a decline related to the Roman conquest, notably after the capture of the oppidum of Entremont in 123 BC. The site, reoccupied shortly thereafter, bears witness to the social and military organization of the protohistoric populations of Provence.
Archaeological excavations, conducted by Bernard Pouyé (1963–1967), Georges Cheylan (1970s) and Patrice Arcelin (1980–1981), revealed characteristic domestic and defensive structures. This research helped to better understand the dynamics of occupation and abandonment of the site, marked by phases of destruction and reconstruction. It is also an example of the interaction between local communities and Rome during the transition to Roman Gaul.
Pierredon's strategic location on a hill overlooking the plain reflects its defensive and economic role. Archaeological remains, including protected elements such as ramparts and houses, provide valuable insight into the architecture and lifestyle of Celto-Ligures. The site is part of a regional doppida network, including Entremont, and participates in understanding cultural and political changes in Provence before and after the Roman conquest.
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