Trim Castle
- Visit: 45 min
- from EUR 5
- Not step-free
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What's on here
Why go
- The Dublin Gate pairs round towers with an outer barbican.
- A stone causeway crosses the ditch to the three-towered forework and stables.
- The castle grounds appeared as York in Braveheart.
Opening hours
Today10:00 – 17:00Show all
Don't miss
- Three-storey keepLook for its cruciform plan and twenty corners.At the centre of the castle.
- Dublin GateSee the round-towered gate and its outer barbican.In the south wall.
- Forework and stablesReach them by the stone causeway across the partly filled ditch.Beyond the ditch.
- Trim GateSee the square gatehouse facing the town.Town-facing side of the grounds.
Know before you go
- The grounds are open for self-guided visits; the keep can be entered only on a guided tour.
- Open Monday to Sunday, 10:00–17:00.
- Closed for works from 1 November 2026 to 1 April 2027.
Tips for your visit
- Explore the grounds independently using the interpretation panels.
Best time to visit
- The outer grounds are open year-round, except during the scheduled closure from 1 November 2026 to 1 April 2027.
Interesting facts4
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30,000 square
Trim Castle covers 30,000 square metres and is Ireland’s largest Cambro-Norman castle.
Trim Castle - Wikipedia -
The Dublin Gate was Ireland’s first gate of its type.
Trim Castle - Wikipedia -
Its late 13th-century great hall had three aisles and an undercroft that opened to the river through a water gate.
Trim Castle - Wikipedia -
1174
The keep was built in at least three stages, beginning around 1174 and continuing in 1196 and 1201–5.
Trim Castle - Wikipedia
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History
After it was burned, work on the stone keep began; his son Walter continued the building, completed in the 1220s. Later additions included a great hall, forebuilding and stables. The castle served as an administrative centre, and the Irish Parliament met there seven times in the 15th century.
- 1172Hugh de Lacy built a timber ringwork castle on the hill above a ford on the Boyne.
- 1173Rory O’Connor’s forces burned the first castle; construction of the stone keep followed.
- 1220sWalter de Lacy continued the work, and the castle was completed, probably in 1224.
- late 13th–early 14th c.A great hall, forebuilding and stables were added.
- 1399Richard II visited Trim and left Prince Hal, later Henry V, imprisoned in the castle.
Show all
- 15th c.The Irish Parliament met at the castle seven times, and a mint operated there.
- 1993The Dunsany family sold the grounds and buildings to the State, retaining river access and fishing rights.
- 2000After conservation work, including partial moat restoration and a protective roof on the keep, the castle reopened to the public.
Tours and audio guides
- Keep guided tour
- English · 45 minutes Access to the keep interior is by guided tour.
Accessibility
- Access for visitors with disabilities Access is very restricted; the keep is not accessible.
Sources: Trim Castle - Wikipedia · Trim - Wikivoyage (see) · Trim Castle | Heritage Ireland · Trim Castle | Heritage Ireland · Trim Castle - Wikipedia · Château de Trim - Wikipedia · checked 28 Oct 2026
- Phone
- +353 46 943 8619
Questions and answers
How long does a visit to Trim Castle take?
The guided tour of the keep lasts 45 minutes.
When is Trim Castle open?
It is open Monday to Sunday, 10:00–17:00. It is scheduled to close for works from 1 November 2026 to 1 April 2027.
How do I get to Trim Castle from Trim town centre?
Trim Castle stands in Trim town centre, on the south bank of the River Boyne.
Can children visit Trim Castle?
The grounds are open for self-guided visits, and the keep is accessible on a guided tour. No age limits or children’s prices are provided.
Is Trim Castle accessible to visitors with disabilities?
Access is very restricted, and the keep is not accessible to visitors with disabilities.
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