site of Battle of the Boyne Old Mellifont Abbey – Tullyallen, Drogheda, County Louth – Ireland's first Cistercian abbey. Ormonde Castle – Carrick-on-Suir, County Tipperary – 1560s Elizabethan manor house Patrick Pearse's Cottage – County Galway Parke's Castle – County Leitrim Portumna Castle – Portumna, County Galway R-Z Rathfarnham Castle – Rathfarnham, County Dublin Reginald's Tower – Waterford, County Waterford Rock of Cashel – Cashel, County Tipperary – traditional seat of the Kings of Munster Roscrea Castle – Roscrea, County Tipperary Ross Castle – Killarney, County Kerry St. Mary's Church – Gowran, County Kilkenny Scattery Island Cathedral and Monastery – County Clare – early Christian place of pilgrimage Sligo Abbey – Sligo, County Sligo Swiss Cottage – Cahir, County Tipperary Tintern Abbey – County Wexford – Cistercian abbey Trim Castle – Trim, County Meath – Norman castle Wexford Wildfowl Reserve - North Slob, County Wexford External reference Heritage Sites of Ireland, Pamphlet, OPW. External links Heritage Ireland Heritage sites Tourism in the Republic of Ireland History of the Republic of Ireland Heritage registers in the Republic of Ireland Cultural heritage of Ireland History organisations based in the Republic of Ireland