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Origin and history

The Dolmen of Creach-ar-Vren, also known as An-Ty-Roc'h, is a neolithic covered alley. Located on the town of Plouescat, in Finistère, this megalithic monument is partially buried under the sand, leaving only two slabs of massive cover emerge. Its internal structure consists of about 40 orthostats arranged in two parallel galleries serving three chambers, although several pillars on the east side collapsed under the weight of the slabs.

Mentioned for the first time by J. de Rusunan in 1890, then studied by Paul du Châtellier in 1898, the dolmen was classified as historical monuments by order of 15 March 1909. The visible slabs have erosion bowls on their upper face, characteristic of the local outcrop blocks. The site illustrates the collective funeral architecture typical of Neolithic in Brittany, marked by dry stone constructions intended to house burials.

Depending on the available sources, the dolmen consists of an oval table based on five pillars, with an opening oriented to the east. Although its state of conservation is altered by the sluggishness and partial subsidence of its structure, it remains an important testimony to the funeral practices and technical know-how of the Neolithic communities of the region. Its ranking in 1909 highlights its heritage and archaeological interest, integrating the network of protected megalithic sites in Finistère.

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