Les Trois Pierres dolmen

The stone structure measures 3 meters in length and 2.80 meters in width, featuring a central chamber of 1.90 by 1.20 meters.

Built between 4,000 and 6,000 years ago, this megalithic monument represents an important archaeological site from the prehistoric period in Brittany.

The structure belongs to a network of megalithic monuments in the region, reflecting the engineering capabilities of early human settlements.

Located along the Hennebont-Brandérion road, the dolmen remains accessible throughout the year with parking spaces available nearby.

The structure contains a preserved inner chamber that demonstrates the architectural methods used by Neolithic builders to create lasting monuments.

Location: Saint-Nazaire

Address: place du Dolmen 44600

GPS coordinates: 47.27955,-2.20603

Latest update: June 23, 2025 09:50