what is the name of the stone age site on the north mayo coast which contains one of the oldest field systems discovered in the world?
Ireland and Britain were both separated from the European continent at about this time (c. 12,000 BCE). The first people arrived in Ireland between 7,000-6,500 BCE at Coleraine in the far north. The Mount Sandel Mesolithic Site, discovered at Coleraine in 1973 CE, is the oldest archaeological site in Ireland.