Tickets will be allocated on a first come, first served basis and online booking will not be available. Normal conditions of admission apply.

Visitors may experience delays at some of our busier sites and are advised to arrive early. If allocated a time, visitors are asked to arrive promptly. There is no guarantee that visitors who miss their allocated time-slot can be accommodated later. Children must be supervised at all times.

Access to some sites is by guided tour only. Car-parking may be limited at some sites and patrons are requested to respect the facilities and other car park users.

Opening dates and times may change at short notice. Please check the website for updates prior to your visit.

The following sites are open all year: Charles Fort, Donegal Castle, Dún Aonghasa, Ionad Cultúrtha an Phiarsaigh, Connemara – Pearse’s Cottage, Battle of the Boyne, Cahir Castle, Reginald’s Tower, Glendalough Visitor Centre