Interpretive illustration of a typical Dolmen

Dolmen

dolmen de Coët-er-Rui

France

DatedEst. 4000–3000 BCE

No licensed photograph yetWe have no photograph we may publish for this site, so the interpretive 3D view leads instead.

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Overview

About this site

Overview

The Dolmen de Coët-er-Rui, also called the Dolmen de Guénestre, is a ruined megalithic tomb at Saint-Allouestre, Morbihan, France. The catalogue assigns it to about 4000 to 3000 BCE, a typological estimate, and it is a classified historical monument.

The monument is completely ruined and its original architecture is unknown. One of the surviving slabs carries engravings.

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Where it sits in time

The site's dated range, placed against world reference points.

The scale is logarithmic: each step to the left is about ten times older than the last.

Est. 4000–3000 BCEHow this date was established: Type comparisonTypical for this type

What this badge meansThe published range for this kind of monument in this region. It is not a date for this site.
Source for this date

Article

dolmen de Coët-er-Rui

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Of the original monument there remain only a buried orthostate and three slabs lying on the ground.

Dolmen de Coët-er-Rui

Description

Sources for this section

Of the original monument there remain only a buried orthostate and three slabs lying on the ground. One of these slabs bears engravings: six crosses, an arc of a circle and about ten cupules. The slabs are of granite, whereas the local bedrock is Precambrian schist, which implies that they were transported to the site.

Conservation

Sources for this section

The monument was classified as a dolmen among the historical monuments by order of 16 January 1935.