Open day/Tour at the YMCA Heritage Building Young Men's Christian Associations, Cork city YMCA Cork, Co. Corcaigh - Cathair 11 Marlboro Street 15 Lúnasa, 12in - 3in
Open Evening St James' Church Athboy St James' Church of Ireland Athboy, Co. An Mhí Church Ln, Main Street, Athboy 18 Lúnasa, 7in - 8:30in
Open House at Townley Hall, A Masterpiece in Irish Architecture School of Philosophy, Townley Hall Townley Hall Main House, Co. Lú Slane Road Drogheda 22 Lúnasa, 10rn - 3in
Open Music Session at Sigginstown Castle, Tacumshane Sigginstown Castle Sigginstown Castle Coach House, Co. Loch Garman 22 Lúnasa, 8in - 11in
Opening and guided walk of Birchwood Loop Walk Tullahought Community Development Ltd. Tullahought Community Centre, Co. Cill Chainnigh Tullahought 23 Lúnasa, 6:30in - 8in
Opening of our Woodland Walk Donegal Local Development Company & Drumbarnett Farms Colm Dillon Cars, Co. Dún na nGall Manorcunningham 18 Lúnasa, 7in - 8in
OPW IRISH SIGN LANGUAGE TOUR OF CORLEA TRACKWAY Office of Public Works Corlea Trackway Visitor Centre, Co. An Longfort Kenagh, Co. Longford 23 Lúnasa, 3in - 4in
Oranmore Castle Heritage Market Oranmore Castle family Oranmore Castle, Co. Gaillimhe – Contae Castle road, Oranmore, Co.Galway 23 Lúnasa, 12in - 4in
Organic Garden Heritage Walk North Mayo Heritage Centre Co. Maigh Eo Enniscoe, Castlehill, Crossmolina, Co. Mayo 19 Lúnasa, 2in - 3in
Otter Identification on the Inagh River in Inagh Village Local Authority Waters Programme Church Car Park, Co. An Clár Inagh Village, Co Clare 17 Lúnasa, 7in - 8in
Our Human Library Local Authority Integration Office Tipperary Thurles Library, Co. Tiobraid Árann The Source Arts Centre, Cathedral St, Thurles, Co Tipperary 18 Lúnasa, 6:30in - 7:30in
