15 Interesting Trim Castle Facts – Ancient Irish Landmark

Trim Castle is an iconic monument in Ireland, with an interesting and unique history. Built in the 12th century, it is the largest and most impressive Anglo-Norman castle in the country.

This castle has a rich past full of notable battles, battles for power and influence, and even a siege by Oliver Cromwell.

15 Must-Know Facts About Iconic Irish Landmarks

Trim Castle is one of the most impressive medieval monuments in Ireland, and it has a fascinating history. Built-in the 12th century, the castle was the stronghold of Hugh de Lacy, the first Lord of Meath.

Before we dive in deeper, if you’re interested in more facts and landmarks you should check out our informative post about the top famous landmarks in Argentina.

Here are 15 interesting facts about Trim Castle.

1. Trim Castle is the largest Anglo-Norman castle in Ireland, with an area of 30,000 square meters.

2. It is thought to be the first stone castle built in Ireland, out of all the Ireland castles ever built. This and other Trim Castle facts are explained on the guided tour which is offered, and it is a popular destination for tourists from all over the world.

3. The main entrance to the castle is a three-story gatehouse with an impressive drawbridge.

4. The Norman poem titled “The Song Of Dermot And The Earl” actually mentions Trim Castle, and this poem was written far back in history.

5. Inside the castle is a large hall, with a great fireplace at one end, and a chapel at the other end.

6. As the largest castle in Ireland, Trim Castle showed the prominence of the Irish gentleman Hugh De Lacy in the late eleven hundreds. Built originally in 1173, it was burned down, and then rebuilt by De Lacy in 1175.

7. There are also three towers in the castle, which were used for defense and lookout purposes.

8. Trim Castle facts include the rich history and times of despair. From the mid fourteen hundreds until the mid fifteen hundreds the castle was abandoned and fell into a state of neglect. It was not until King Richard ordered the castle repaired in the early part of the fifteenth century that the castle was used again.

9. The castle is surrounded by a large moat, which was used to keep enemies and wild animals out.

10. One of the most well-known Trim Castle facts is that the movie Braveheart was filmed at the castle. Starring Mel Gibson, the movie depicted the Irish hero William Wallace, and the castle was used as the setting for many parts of the movie.

11. The castle was also featured in the popular video game Assassin’s Creed: Revelations.

12. In the early nineteen seventies, excavations performed uncovered ten men who were missing their heads. These skeletons dated back to the mid fourteen hundreds, when King Edward ordered that thieves would lose their heads, which were mounted to warn others of their disastrous path. This is just one of the many interesting Trim Castle facts.

13. The castle is a National Monument of Ireland and is owned by the Office of Public Works.

14. Trim Castle can be a terrific addition to Ireland vacation packages, but tours are available with a guide only. Some of the stairs and walkways are very narrow, and they are the original size. A minimum of restoration has been done to keep the castle in a historic condition.

15. In 2011, Trim Castle was the venue for the world’s largest Haka, a traditional Maori dance.

History of Trim Castle

Trim Castle is a Norman castle located in the town of Trim in County Meath, Ireland. It was constructed in 1173 by Hugh de Lacy and stands on the south bank of the River Boyne. Trim Castle is the largest Norman castle in Ireland and one of the largest in Europe.

The castle is thought to have originally been a wooden fortification but was later rebuilt in stone. Throughout its history, the castle has served as a stronghold for various groups, including the Normans, the Anglo-Normans, the Irish, and the English.

It has seen action in numerous battles, including those of the 1641 Rebellion, the Williamite War in Ireland, and the Irish Civil War. Today, the castle is a popular tourist attraction, and its grounds are open to the public.

The castle was built by Hugh de Lacy, an Anglo-Norman lord, in the 12th century. It is believed to have been built on the site of an earlier castle built by the King of Tara in the 9th century. The castle was used as a fortress and a residence by the de Lacy family, who were the Lords of Meath until the 16th century.


The design of Trim Castle is a fine example of a medieval castle. The three-tiered castle was built in the late 12th century by Hugh de Lacy, a Norman Baron. The castle is built out of sandstone and is surrounded by a large curtain wall and a deep moat.

The inner bailey of the castle is defended by two D-shaped towers and a gatehouse with a drawbridge. Inside the castle, visitors will find a chapel, a great hall, and a keep, which is the highest and most impressive part of the castle.

The keep is a massive four-story tower with a portcullis and machicolations, which are openings in the walls that allowed defenders to pour boiling liquids or stones out onto their attackers. Trim Castle is an impressive sight and a testament to the skill and ingenuity of medieval castle builders.


Construction of the Trim Castle

Trim Castle was erected in 1172 by Hugh de Lacy, the Lord of Meath. It was built with a circular stone keep, a curtain wall, and a ditch, making it one of the largest and most impressive castles in Ireland. The keep was designed by Hugh de Lacy and has remained largely intact throughout the centuries.

The castle underwent several renovations during its lifetime, including the addition of a barbican and several towers in the 15th century. The castle was also the site of several battles, including the Siege of Trim in 1649 and the Battle of the Boyne in 1690.

Trim Castle is also home to ruins of a chapel, a great hall, a dungeon, and a number of other structures. Its unique design and features make Trim Castle a must-see for any visitor to Ireland.

Famous Incidents

Trim Castle is steeped in history and has seen its fair share of famous incidents over the centuries. One of the most famous incidents was the so-called Battle of the Boyne in 1690.

This was a battle between William III of England and Ireland and the Jacobite forces of James II. The Jacobites were defeated and the victory was a turning point in Irish history. Another famous incident occurred in 1212 when the castle was besieged by King John of England.

The castle survived until the 16th century when it was destroyed by the English under the orders of Henry VIII. The ruins of Trim Castle remain a popular tourist attraction to this day.

Siege of Trim Castle

The Siege of Trim Castle was a pivotal moment in Ireland’s history. During the period known as the Nine Years War, English forces led by Sir Henry Docwra laid siege to Trim Castle in the summer of 1602. The siege was the largest and longest siege of the war, lasting for nearly three months and involving over 18,000 troops.

The castle was eventually taken by the English, but at a great cost. In the end, the castle was completely destroyed. This was a major victory for the English, as it helped to ensure their control over Ireland. For many, the Siege of Trim Castle was a major turning point in Ireland’s history and a reminder of the power of the English forces.

Medieval Artifacts Found at Trim Castle

Medieval Artifacts Found at Trim Castle

One of the most interesting facts about Trim Castle is the numerous artifacts that have been found there. Archaeological excavations have uncovered a massive range of artifacts, including coins, pottery, and even jewelry.

These artifacts provide valuable insight into the everyday lives of those who lived in the castle in medieval times. Additionally, the artifacts provide evidence of trade and commerce in the region, as well as the level of sophistication of the castle’s inhabitants. This highlights the importance of Trim Castle both historically and archaeologically.

Famous Residents

Trim Castle has been home to some famous residents throughout the years. One such famous resident was Roger de Clare, Lord of Trim who lived in the castle from 1173 to 1192.

Another famous resident was Richard de Clare, Earl of Pembroke, who was also known as Strongbow. He lived in the castle from 1176 to 1189. The castle also served as the residence of John de Courcy, who conquered Ulster in 1177. He resided at Trim Castle until 1204.

Finally, the last famous resident was Edward Bruce, the younger brother of Robert the Bruce. He resided in the castle from 1315 to 1318 while he campaigned to become High King of Ireland.



The castle is an excellent example of a typical Norman castle and is surrounded by a large defensive wall and a moat.

Visitors can explore the castle’s many rooms, towers, and battlements. In addition to exploring the castle, visitors can take part in a variety of activities. Some of these activities include guided tours, falconry demonstrations, and archery. Visitors can also explore the castle grounds, which include a picnic area, playground, and a walking trail.

There are also many events held at the castle throughout the year, such as medieval banquets, music and theatre performances, and markets. Trim Castle is an exciting place to visit and is sure to be a memorable experience.

Unique Features

Trim Castle is the largest Norman castle in Ireland and the largest castle in Europe. It has a curtain wall that is 4.8 kilometers long and towers that reach a height of 30 meters.

The castle also features four corner towers, a chapel, a great hall, and a keep. The most impressive feature of the castle is its many windows, which were designed to provide a panoramic view of the surrounding area. The castle also has a drawbridge, which was used to protect the castle from invaders. The castle is an incredible testament to the power of the Anglo-Norman people and is a must-see for anyone interested in Irish history.

Historical Events at Trim Castle

Historical Events at Trim Castle

Trim Castle was the center of power for the de Lacy family for centuries, and the site of numerous significant historical events. In 1205, King John of England visited the castle and signed the Magna Carta there.

In 1649, it was the scene of a decisive battle between the English forces of Oliver Cromwell and the Irish forces of Owen Roe O’Neill. In 1690, the castle was besieged by William of Orange’s forces during the Battle of the Boyne.

Finally, in 1798, it was the site of a battle between the United Irishmen and a British force. This battle ended in a decisive victory for the British, bringing an end to the United Irishmen’s rebellion. These are just a few of the many historical events that have taken place at Trim Castle.

Archaeological Discoveries

Visitors to the castle can explore its fascinating history and archeological discoveries, including a rare medieval stone window, a Norman great hall and a large collection of artifacts. These include coins, pottery, jewelry, weapons, and tools, as well as a fragment of an ancient Roman amphora.

The castle also houses a large collection of manuscripts and religious artifacts. Trim Castle is a must-see for anyone interested in Irish history and archaeology, as it offers a unique glimpse into the past.

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