Picts' Caves, Belfast, Antrim Pleaskin, Antrim Poll-a-phuca Cascade, Blessington, Wicklow Pontoon, Athlone, Westmeath Portadown, Armagh Portaferry, Down Portarlington, King's County Portarlington, Queen's County Portavo, Donaghadee, Down Portcoon Echo, Giant's Causeway, Antrim Portmore Castle, Ballinderry, Antrim Portumna, Galway Potatoes first planted at Youghall, Cork Powerscourt, Bray, Wicklow Priest's Leap, Bantry, Cork Prospect, Cappoquin, Lismore, Waterford Prospects (extensive), Curraghmore, Waterford Puffing Hole, Kilrush, Clare Purgatory, Donnegal Pyramid of White Stones, Birr, King's County Quakers' Colony, Ballitore, Kildare Quakers' Village, Londonderry Quarry of Alknever, Newton Limavaddy, Londonderry Quilca Mountain, Swadlinbar, Cavan Ram Island, Lough Neagh, Antrim Ram Island, Ballinderry, Antrim Randalstown, Antrim Rapho, Donnegal Rathbeath, Kilkenny Rathcormuck, Cork Rathdrum, Wicklow Rathean Common, Maryborough, Queen's County Rathfarnham, Dublin Rathfryland, Down Rathlin, Antrim Rathmelton, Letterkenny, Donnegal Reginald's Tower, Waterford Remon Lodge, Antrim Reverberating Cave, Iveragh, Kerry Rich Hill, Armagh Ringhaddy, Killyleagh, Down Rivers running N. and S. Loughbrickland, Down Roche's Waterfall, Balruddery, Dublin Romantic Bridge, Rathdrum, Wicklow Romantic Road, Glanbeny, Iveragh, Kerry Roscommon, Roscommon Roscrea, Tipperary Ross, Cork Ross, Wexford