Timeline

Heritage classified

Origin and history

The Dolmen de Mané-Ven-Guen, also known as the Dolmen de la Grotte, is a megalithic monument located in Baden, Morbihan. This double corridor dolmen consists of two funeral chambers connected by a two-branch corridor. One of the rooms still retains its covering slab, supported by stone walls, while remains of the original tumulus remain visible. The site is nestled in a wood, about 350 metres south of the hamlet of Toulvern and 2.3 km from the village of Baden.

The monument dates back to the Neolithic period, specifically the fourth millennium BC, although the smallest of the two dolmens may date from a later period. He was frequented until Roman times, attesting to his lasting importance. The dolmen was listed as historic monuments by decree of 10 April 1980, thus recognizing its heritage value.

The precise location of the dolmen is indicated as being in Baden (code Insee 56008), in the department of Morbihan, Brittany. Approximate GPS coordinates suggest a proximity to the so-called Roch location in Plougoumelen, although the official address remains Baden. The site is protected under the ZW 52c cadastral reference, and its access seems limited, with a location accuracy assessed as fair (level 5/10).

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