for tombs in Cantabria, Galicia and the Basque Country. Of the megalithic tombs in Ireland, only passage tombs appear to have widespread distribution throughout Europe. Passage graves are distributed extensively in lands along the Atlantic seaboard of Europe. They are found in Ireland, Britain, Scandinavia, northern Germany and the Drenthe area of the Netherlands. They are also found in Iberia, some parts of the Mediterranean, and along the northern coast of Africa. In Ireland and Britain, passage tombs are often found in large clusters, giving rise to the term passage tomb cemeteries. See also Passage tombs in Ireland Entrance grave Chambered cairn References External links newgrange.com World Heritage IE - Newgrange, Knowth and Dowth Megalithic monuments in Europe Burial monuments and structures