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Origin and history

The necropolis of Bois des Géantes, also called the necropolis of Bois des Joyandes, is a megalithic funerary site located in the commune of Bourg-Saint-Andéol, in the department of Ardèche, in the Auvergne-Rhône-Alpes region. It consists of six dolmens spread over about 750 meters, built between 3000-2900 and 2200 BC, during the final Neolithic, Chalcolithic, and Bronze Age. These funerary monuments, classified in 1900, illustrate three architectural types: bas-rhodanien, caussenard and Languedocian, characteristic of the dolmens du Midi de la France.

The site was first mentioned in 1837 by the Bonnefont surveyor, then studied by prehistorians such as Jules Ollier de Marichard and Léopold Chiron at the end of the 19th century. The excavations revealed various artifacts, including arrow tips, axes, copper trimmings, and human bones, attesting to continued use of the site until the recent Bronze Age. Dolmens, associated with tumulus of varying sizes, were restored and studied during archaeological campaigns in the 20th and 21st centuries.

The toponym "Geantes" (or its variants such as "Joyandes" or "Jayandes") evokes local legends linked to giants, reflecting a mythological interpretation of these imposing monuments. The site's limestone geological substrate, dated from the lower Cretaceous, facilitated the extraction of the materials necessary for their construction. The necropolis, situated between two combs, has benefited from a natural depression to ensure the stability of the structures.

The dolmens of Bourg-Saint-Andéol are distinguished by their architectural diversity: Dolmen No. 1, a Languedocian type, has an antechamber and a funeral chamber of more than 10 m3, while the others, of caussenard or bas-Rhodanian types, have smaller rooms (3 to 6 m3) and vestibules. Modern excavations, including those carried out by Wolfgang Pape in the early 2000s, have made it possible to date precisely the archaeological layers and to better understand the funeral practices of the period.

In the 19th century, the site attracted visitors and researchers, as evidenced by modern objects (dishwashers, military artifacts) found on site. The first legal protections, obtained through the work of Leopold Chiron, allowed the preservation of these monuments, despite the disappearance of a seventh dolmen originally recorded. Recent studies, combining archaeology and stratigraphic analyses, have confirmed the importance of this site in the study of megalithism in Lower Victoria.

Today, the necropolis of the Bois des Géantes is a major testimony of prehistoric funeral architecture in France. Its classification as historic monuments and restoration campaigns in the 21st century ensure its conservation for future generations, while providing valuable insight into the Neolithic and Protohistoric societies of the region.

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