On the set of standing stones which formed a single line through the island in its width and whose presence is attested in 1701 13, only three are still visible (Menhirs Kervarigeon, John, here against, and Jeanne de Kerlédan): the Other megalithswere destroyed, some cut into stone for the building. In 1989, Messrs. O. Kayser and archaeologists of the DRAC Batt of Britain, have unearthed a fourth menhir isolated valley marking a head to the port of Borderun 10