Mountain Castle, parish of Modeligo, county Waterford, was one of many Castles held by the Mcgrath Family, originally a clan of Swordsmen from the Beara Peninsulla, in Cork, they held a line of about 7 Castles, (in-fee) between Kilmanahan Castle Clonmel, to Abbeyside Dungarvan, county Waterford, for there overlords, The Fitzgeralds of Desmond, this of course included Mountain Castle, Modeligo Parish Waterford, Mountain Castle is today owned by a family called Nugent, and is run as a small Hotel-Guest House, that is a brief Synopsis of there involvement in Waterford County.