Ireland Rivers is in Ireland.
In 534 Muirchertach mac Muiredaig High King of Ireland was drowned in a butt of wine. The Annals of Ulster report ... The drowning of Muirchertach mac Muiredaig High King of Ireland in a vat full of wine on the hilltop of Cleitech above Bóinn ie at Newgrange Passage Tomb [Map].