These two dolmens are situated close to each other and are thought to have been used for communal burials during the Neolithic period. One of the dolmens has a massive capstone estimated to weigh around 10 tons.
Dolmens dits les Pierres Closes de Charas
Two dolmens in close proximity
image via https://commons.wikimedia.org/wiki/File:St-laurent-pree_pierres-closes-charras_08.jpg