Gartnanoul - Credit: Wikimedia Commons
Gartnanoul is a megalithic court tomb located in Killykeen Forest Park, Loughtee Upper, County Cavan, Ireland. Gartnanoul Dual Court Tomb Situated near Lough Oughter, the north tomb court is in depth and in width. Gartnanoul is called a dual-tomb because it has two tombs both in line with each other, with each tomb having its own court. - Triskelle.eu, Attractions in Ireland, Gartnanoul Court Tomb It is estimated that when it was built Gartnanoul was long and wide. The roof stones are missing although the tomb is in good condition and cairn materials are found scattered around the tomb. - Megalithic Monuments of Ireland.com Read more on Wikipedia
Source: en.wikipedia.org