Timeline

Heritage classified

Key figures

Origin and history

The Kerdruellan alignment, located at the same name on the town of Belz (Morbihan), is a remarkable megalithic ensemble dating from the Neolithic period (IIth millennium BC). Composed of some 60 blocks of gneiss now lying, it is distinguished by their excellent state of conservation in their initial sedimentary context. Menhirs, probably toppled as early as the recent Neolithic, are mostly aligned on a north-west/south-east axis. Their discovery in 2005, during a subdivision project, triggered a partial search campaign conducted in 2006 by INRAP over 3,000 m2.

Archaeological studies revealed a double occupation of the site: neolithic first, then medieval in an agricultural setting. Some menhirs, partially debited, testify to their reuse as building materials during this second period. The importance of the site led to its classification as historical monuments by decree of 19 March 2008, protecting both the menhirs and the surrounding land (parks AH 153, 155, 547, 638, 639, 641).

Analysis of the remains has enabled the reconstruction of the site's history, from its megalithic erection to its gradual abandonment and its transformation into agricultural space. The exceptional conservation of the blocks, combined with traces of neolithic and medieval activities, makes it a rare witness to the evolution of landscapes and human practices over more than 4,000 years. The site is now located near 7 Rue Jean Pierre Calloch in Belz, in an area whose geographical accuracy is estimated to be fair (level 5/10).

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