Open Day at Termon House Irish Landmark Trust Termon House, Co. Donegal Maghery, Dungloe, Co. Donegal 16 August, 10am - 4pm
Open Evening St James' Church Athboy St James' Church of Ireland Athboy, Co. Meath Church Ln, Main Street, Athboy 18 August, 7pm - 8:30pm
Open House at Townley Hall, A Masterpiece in Irish Architecture School of Philosophy, Townley Hall Townley Hall Main House, Co. Louth Slane Road Drogheda 22 August, 10am - 3pm
Open Music Session at Sigginstown Castle, Tacumshane Sigginstown Castle Sigginstown Castle Coach House, Co. Wexford 22 August, 8pm - 11pm
Opening and guided walk of Birchwood Loop Walk Tullahought Community Development Ltd. Tullahought Community Centre, Co. Kilkenny Tullahought 23 August, 6:30pm - 8pm
OPW IRISH SIGN LANGUAGE TOUR OF CORLEA TRACKWAY Office of Public Works Corlea Trackway Visitor Centre, Co. Longford Kenagh, Co. Longford 23 August, 3pm - 4pm
Organic Garden Heritage Walk North Mayo Heritage Centre Co. Mayo Enniscoe, Castlehill, Crossmolina, Co. Mayo 19 August, 2pm - 3pm
Otter Identification on the Inagh River in Inagh Village Local Authority Waters Programme Church Car Park, Co. Clare Inagh Village, Co Clare 17 August, 7pm - 8pm
Our Native Hedgerows Walk & Talk, Led by Neil Foulkes The Shaking Bog Meeting Point: St Patrick's NS,, Co. Wicklow Curtlestown, Enniskerry 23 August, 11am - 12:30pm
Our Natural Heritage and Harvest Celebration in Kilmurry KIlmurry Tidy Towns Kilmurry Hall & Community Centre, Co. Clare Ballymulcashel, Kilmurry, Co Clare 15 August, 12pm - 2pm
Our stage, our stories: a history of Tallaght's Civic Theatre County Library, Tallaght Co. Dublin – South Dublin Pathalán Place 18 August, 6:30pm - 7:30pm