Cloghanmore (Irish An Clochán Mór, German “the Great Stone”) is a court tomb (megalithic chambered tomb). It is located near Malin More (Irish Málainn Mhóir) and Glencolumbkille in County Donegal. Cloghanmore is considered to be the best-preserved full-court facility in Ireland. Its origins date back to around 3200 to 2500 BC. Dated.