National Heritage Week in Ireland is set to return 16 – 24 August 2025, offering free admission to over 70 heritage sites across Ireland to celebrate the theme “Exploring Our Foundations.” On Saturday 16 August, visitors can explore historic locations from medieval castles to walled gardens at no cost. Find out more here.
Free entry to historical sites, gardens and more
On the opening weekend, OPW‑managed sites nationwide will welcome the public free of charge, unlocking access to spaces that are usually ticketed. More than 70 venues, including castles, abbeys, gardens, and historic buildings, are participating in this initiative. You can find out the full list of participating sites here.
Sample Free Activities & Locations
Adare Castle (Desmond Castle), Co. Limerick
- Free Admission Day: 16 August 2025.
- What’s On: Guided tours through the 13th-century Norman castle, exploring its medieval heritage and dramatic past.
- Website: heritageireland.ie/adare-castle or adareheritagecentre.ie/castle-tours
- Details: Tours at 10:00, 12:00, 14:00, and 15:30; booking advised.
Charles Fort, Kinsale, Co. Cork
- Free Access & Highlights: Free access, guided tours, and illustrated history talks on star-shaped 17th-century fortress, local history and military heritage, and stunning views over Kinsale harbour.
- Website: heritageireland.ie/charles-fort
- Details: Open daily 10:00–18:00 (late summer close). Regular guided tours available.
Custom House Visitor Centre, Dublin
- Activities: Themed tours and workshops celebrating the Custom House’s architectural heritage and its role in Irish history.
- Website: heritageireland.ie/custom-house
Donegal Castle, Co. Donegal
- Activities: Free evening “Discover Bats at Donegal Castle” tour (22 August, 8–10pm) and historic performances throughout Heritage Week.
- Website: heritageireland.ie/donegal-castle
- Details: Features bat walks, craft demonstrations, and night-time tours—pre-booking required for some.
Glendalough Visitor Centre & Monastic Site, Co. Wicklow
- Family Fun Day: 17 August 2025: Includes family tour of the monastic site, LEGO workshops with artist Jessica Farrell, “Big Dig” archaeology event, and outdoor willow craft demonstrations.
- Website: heritageireland.ie/glendalough
- Details: Free, first-come first-served basis. Car park charges apply.
Castletown House (Celbridge), Co. Kildare
- Activities: Free guided tours of Ireland’s earliest Palladian house (16 August, 11am–3pm), plus special open days of restored gate houses.
- Website: castletown.ie
- Details: Also features exterior architectural tours and hands-on crafts.
Kilmainham Gaol, Dublin
- Special Tours: “Alternative Tour of Kilmainham Gaol” (16–17, 23–24 August), focusing on unique prisoner stories and lesser-known aspects of the historic prison.
- Website: heritageireland.ie/kilmainham-gaol
- Details: Pre-registration or booking typically required.
Farmleigh House & Estate, Phoenix Park, Dublin
- Activities: Free admission on 16 August; special events including architectural tours, exhibitions, and open house as part of Heritage Week.
- Website: farmleigh.ie
- Details: See event listings for timings of specific guided tours and themed talks
More events and details can be found here.
Why Attend?
- No entry cost at participating OPW sites on 16 August.
- Hundreds of free events nationwide, with workshops, historical tours, performances, and family days.
- Accessible to all: many events are designed for families, children and local communities [read more]gov.ie+1IrishCentral.com+1.
Volunteering
Volunteering for the event, at a location close to you, is a great way not only to learn more about cultural and historical sites throughout Ireand, but to meet others and network for any further paid employment opportunities. Visit HeritageWeek.ie for more information.
Where can I find more information
The following dedicated websites have more information:
