Bilgroix gallery grave, Prehistoric burial structure in Arzon, France.
The gallery grave features stone walls supporting capstones, with a vertical slab closing the western end and stone pavement covering the floor.
Built between 2900 and 2500 BC, this megalithic structure contains archaeological evidence including ceramic vessels and flint blades from the Touraine region.
The gallery grave represents burial practices of Neolithic communities, with its design reflecting the engineering capabilities of prehistoric builders in Brittany.
Located at coordinates 47°33'21.60"N and 2°54'50.08"W, the site remains open throughout the year with nearby parking facilities for visitors.
The structure includes defensive walls adjacent to the cairn and a posthole indicating additional wooden constructions alongside the stone architecture.
Location: Arzon
Address: Bilgroix
GPS coordinates: 47.55604,-2.91395
Latest update: June 23, 2025 09:59
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