Timeline

Heritage classified

Key figures

Origin and history

The menhir de la Pierre Longue, also called menhir du Moulin Hilaire or du Bois Gilbert, is a 3.25 metre high rectangular sandstone slab located in the municipality of Gennes-Val-de-Loire (formerly Gennes) in Maine-et-Loire. Its trapezoidal faces and upper tightening evoke an anthropomorphic silhouette. Cut flints found nearby suggest an ancient human occupation around the site.

Ranked a historical monument by decree of 8 April 1982, this megalith bears witness to the importance of megalithic constructions in the region. Its local origin (sabal sandstone) and distinctive shape make it a remarkable example of the angeline menhirs. Research, like that of Michel Gruet in Mégalithes en Anjou (2005), highlights his role in the prehistoric landscape.

The site, identified under the Merimée code and located at the 20 Les Pelouses, enjoys heritage protection that ensures its conservation. Although its precise dating remains undetermined, its association with flint tools strengthens its link with the Neolithic communities of the region. The Creative Commons photo license available facilitates its cultural dissemination.

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