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Origin and history

The covered driveway of Kergonfalz is a megalithic monument located in Bignan, Morbihan, England. It is located at the crossroads of the road of Moustoir-Ac and that leading to the hamlet of Kergonfalz, about 470 m north of the latter and 200 m southwest of the hamlet of Kergal. In the immediate vicinity (50 m west) is also the dolmen of Kergonfalz, highlighting the concentration of megalithic sites in this area. The building, facing north-south, is 9.50 m long for 1.50 m wide, with an entrance to the south and a small cella to the north.

Classified as historical monuments by order of 10 January 1970, covered street is composed of porphyroid granite blocks. One of the slabs of the cella disappeared when the neighbouring junction was enlarged, partially altering its original structure. The orthostats of the chamber and cella retain a uniform height, typical of the Neolithic constructions of the region.

The location of the covered driveway, at the crossroads of ancient roads, suggests a possible symbolic or practical meaning in the organization of the territory in the Neolithic era. This type of collective funeral monument bears witness to the cultural and religious practices of the sedentary agricultural communities of Brittany during this period, marked by the emergence of megalithic architecture.

Available sources, including the work of Philippe Gouézin (Megaliths of the Interior Morbihan, 1994), confirm the importance of this site in the Breton archaeological heritage. The monument now belongs to the commune of Bignan and remains accessible, although its location accuracy is considered "passable" (note 5/10) according to the geographical databases.

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