Slieve Na Calliagh

Slieve na Calliagh (Irish: Sliabh na Caillí or Sliabh na Cailleach, meaning 'the Cailleach's mountain') are a range of hills and ancient burial site near Oldcastle, County Meath, Ireland. The summit is 276 metres (906 ft), the highest point in the county. On the hilltops are about twenty passage tombs, some decorated with rare megalithic art, which were built in the 4th millennium BC. Also called the Loughcrew tombs, it is a protected National Monument and is one of the main passage tomb cemeteries in Ireland, along with Brú na Bóinne, Carrowkeel and Carrowmore.