This passage tomb in Locmariaquer, Brittany (Carnac area) is know under various other names: Mané Rutuel, Mané Rethuel, Mané Ruthuel and Bé-er-Groah, which means ‘the tomb of the witch’.
The monument has a number of upright stones with engravings. On two stones a symbol can be found that was named after this monument ‘Mané Retual type axe’