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15 Top-Rated Castles in Ireland

Written by Anietra Hamper
Updated Oct 21, 2021

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One of the most extraordinary things to do in Ireland is visit some of the centuries-old castles that accent the landscape throughout the country. Your castle options are vast, from the 13th-century Dublin Castle in the heart of the bustling capital city to the ancient Trim Castle, one of the largest and most storied fortresses on the Emerald Isle and the backdrop for the movie Braveheart.

You can dress up like a character from the show Game of Thrones and shoot arrows in the courtyard at the Castle Ward or walk through the protected ruins of Dunamase Castle, which towers above the countryside in eastern Ireland.

Ireland has so many castles because throughout the centuries, local and regional rulers built fortresses to protect their land and belongings. Their castle dwellings represented wealth and power.

Castles were built at different periods, marking significant milestones in Irish history, from the medieval Norman and Viking periods to the English invasions. Whether you want to stay in a castle or just explore one for the day, you should plot your destinations before you arrive. For ideas, see our list of the top castles in Ireland.

1. Dublin Castle

Dublin Castle
Dublin Castle

One of the most significant symbols of power in Ireland is Dublin Castle. This 13th-century castle, which is more of a multi-building complex, was built on a Viking settlement. The castle served as the government complex for the English then British rule for centuries and now serves as a main tourist destination.

Some of the castle highlights include extensive decorative arts in the form of formal portraits of rulers and royalty, as well as period furniture. Be sure to visit The Chapel Royal, a Gothic Revival chapel, which has been at Dublin Castle since 1242, and the castle gardens that have been here since the early 17th century, featuring the Dubh Linn Garden, where patterns of sea serpents are cut into the lawn.

Beneath the castle, you can see ongoing excavations of Viking defenses that have been preserved. You can even go down steps to see the original moat.

Address: Dame Street, Dublin 2

Official site: http://www.dublincastle.ie

2. Trim Castle

Trim Castle
Trim Castle

For a castle worthy of bragging rights after your vacation, the Trim Castle is a must-visit. This is where Mel Gibson filmed the movie Braveheart, so you will likely recognize the iconic features of this powerful Norman Irish fortress. Construction started on the Trim Castle in 1176 and took 30 years to complete.

This massive structure has a 20-sided tower, masterful curtain wall, and moat. It is the largest Anglo-Norman castle in Ireland and has also served as a prison and private home over the centuries.

Now, it is a popular tourist attraction and well worth your time to visit. You can only take a guided tour of the castle, but you can explore the riverside grounds on your own. You can also plan a stay at the Trim Castle Hotel and live like royalty during your trip.

3. Dunluce Castle

Seaside Dunluce Castle
Seaside Dunluce Castle

If castle mystery is more your speed then the coastal Dunluce Castle in Northern Ireland should top your list. The medieval castle sits on a clifftop along the remote northern coast. The ruins on the site are said to be haunted by the ghost of a woman who died there, and there are mythical tales about fairies and fierce battles that took place on the site.

The Dunluce Castle was built as a family home in the 1500s and served as the inspiration for author C.S. Lewis, who used it to create his Cair Paravel castle in The Chronicles of Narnia.

The site is now under the guardianship of the Northern Irish Environment Agency. These are great ruins to explore, but a stop at the information center for some history and information before you set out will help in your understanding of the site.

Address: 87 Dunluce Road, Bushmills, County Antrim

4. Bunratty Castle

Bunratty Castle
Bunratty Castle

The Bunratty Castle is one of the best castles for bringing the medieval times to life. The castle was once part of a Viking trading camp in 970. It has been beautifully restored to its mostly original condition and houses one of the most extensive collections of medieval furniture in Ireland.

There is a Folk Park on the grounds, which is a 19th-century living village, with 30 buildings that imitate what life in Ireland was like in the 1800s. The village is nice, especially for children, who can wander through the recreated farmhouses and village streets and buildings with a backdrop of Irish music.

One of the most engaging experience at the Bunratty Castle is the medieval banquet that you can take part in for an evening of indulgent food, dance, and music inside the castle. You can stay at the Bunratty Castle Hotel if you want to make several days out of your visit to the area.

Official site: www.bunrattycastle.ie

5. Enniskillen Castle

Enniskillen Castle
Enniskillen Castle

The Enniskillen Castle is a stunning structure that can be seen from the River Erne. The turrets and massive fortress walls are believed to have been constructed in the early 1400s, protecting the land in Northern Ireland.

Today, the castle houses two museums that highlight and preserve Fermanagh culture. The Fermanagh County Museum showcases the history of the region and the Inniskillings Museum has displays of 17th-century weapons, military equipment, and uniforms. Take some time to go through both museums and walk the manicured grounds.

If your Ireland visit includes researching your family history, you may want to schedule a genealogy consultation at the castle.

Address: County Fermanagh, Enniskillen BT74 7HL, Northern Ireland

Official site: www.enniskillencastle.co.uk

6. Cahir Castle

Cahir Castle
Cahir Castle

As one of the largest castles in Ireland, the Cahir Castle maintains much of its original structure. The castle was built on solid rock on the River Suir, and it was one of the most powerful strongholds against invaders in the country.

It is notable because of its preservation, which is remarkable since it was built in 1142. If you want to see and experience authentic, original elements of a castle then the Cahir Castle should be on your list. There are guided tours that take about an hour and an audio-visual show that chronicles the castle's long history.

Address: Castle Street, Cahir

7. Dromoland Castle

Dromoland Castle
Dromoland Castle

The elegant 16th-century Dromoland Castle has its roots in the family lineage of Donough O'Brien, who ruled Dromoland in 1014 and is a family name of high nobility in Ireland. The 450-acre estate is now a destination for travelers, who come to stay in the lavish bedrooms with canopied beds and embellished furniture fit for a king.

The estate has a spa, a championship 18-hole golf course, and outdoor recreation, and it is a popular destination for weddings. While the Dromoland Castle is a destination versus a day visit, you can still swing by for a peek at the grounds, even if you are not staying here.

Address: Newmarket-On-Fergus, Co. Clare

Official site: https://www.dromoland.ie

8. Castle Ward

Castle Ward
Castle Ward

For Game of Thrones fans, the Castle Ward is an unforgettable experience. The 18th-century castle is the main filming location for the show. An exciting way to enjoy a visit to Castle Ward is to take part in a medieval banquet or sign up for the ClearSky Adventures on-site, which lets you try on Game of Thrones costumes with experts, who teach you how to shoot arrows in the courtyard.

Non-Game of Thrones visitors will enjoy the unusual architecture of the castle. When the castle was built for Lord Bangor and his wife, they could not agree on a structural style, so they compromised by building one side in Gothic architecture for him and the other in Palladian geometry to suit her. The Castle Ward is one of the most unique in Ireland.

Official site: https://www.nationaltrust.org.uk/castle-ward

9. Dunamase Castle

Rock of Dunamase at sunset
Rock of Dunamase at sunset

The ruins of the Dunamase Castle are a destination for those who like to explore a little bit on their own. The structure, now only remnants, is referred to as the Rock of Dunamase. It was built in the Middle Ages, but archaeology research suggests that it dates back even further, to the 9th century, and was once occupied by Vikings. The site is now a national monument, with a storied history. It sits 46 meters above the countryside on the eastern side of Ireland and is free to visit on your own.

10. Glenveagh Castle

Glenveagh Castle
Glenveagh Castle

The Glenveagh Castle is part of the Glenveagh National Park, a great location to put on your list if you are looking for a little recreation beyond just a castle visit. This remote 19th-century castle is set near the Derryveagh Mountains and was an idyllic retreat for the private owners who occupied it since the 1800s.

As personal friends of the owners, Hollywood stars like Greta Garbo and Charlie Chaplin were known to visit the castle.

The 40,000-acres that surround the castle are fantastic for exploring. You can hike the trails and stroll through the gardens, or you can take a scenic drive through the estate property on a bus from the visitor center.

Address: Church Hill, Letterkenny, County Donegal

Official site: https://www.glenveaghnationalpark.ie

11. Birr Castle

Birr Castle
Birr Castle

For an experience that combines the most stunning representation of early Irish castle architecture and gardens with science and engineering, visit the Birr Castle Gardens & Science Center. This castle is unique because it is still a private residence, although the descendants of the Parsons family open their doors to the public at regularly scheduled times between May and August.

Birr Castle was built in the 11th century and welcomes guests with 3.6-meter walls at the central gate. The tours of the castle are only a small part of the experience. The Great Telescope is a must-see in the science center on the grounds. It was the largest telescope in the world for more than 70 years and it still operates today, remaining one of Ireland's most significant scientific contributions.

Address: Rosse Row, Birr, County Offaly

Official site: https://birrcastle.com

12. Blarney Castle

Blarney Castle
Blarney Castle

You have likely heard of the Blarney Stone in Ireland and the luck bestowed upon those who kiss it – a tradition that goes back more than 200 years. The Blarney Stone is just one of the reasons to visit Blarney Castle.

Be advised that if you plan to venture to the top of the tower to kiss the Blarney stone, lines will likely be long on busy days and can take several hours. That can also mean standing in tight stone stairways for long periods of time, so you will want to check the lines for that first as you plan your visit.

This is actually the third castle on this site, built in 1446. The first castle, made of wood, and the second castle, made of stone, were demolished over time and replaced by Blarney Castle, which welcomes visitors today.

Besides touring the castle and kissing the Blarney Stone, be sure to see the unusual gardens, which include a fern garden; woodlands; and a Poison Garden with plants that are so toxic, they have to be kept behind protective structures.

Official site: https://www.blarneycastle.ie

13. Kylemore Castle

Kylemore Castle
Kylemore Castle

One of the most impressive castles in Ireland is in the northwest in Connemara, overlooking Lough Pollacappul. The castle sits on more than 15,000 acres of land, with stunning gardens and a classically Victorian walled garden.

The castle was built in 1871 as a gift to the wife of an English doctor. The estate changed hands several times, eventually becoming an Abbey in 1920, when it was purchased by the Irish Benedictine. Although you can explore the castle grounds on your own, first-time visitors should take a guided tour to capture the full history and significance of the castle.

Some of the things to include on your Kylemore Castle must-experience list are: going inside to see the restored rooms and artifacts from previous owners, walking through the six acres of walled gardens accented with fruit trees and flower and herb gardens, and visiting the Neo-Gothic church on the estate.

Location: Kylemore Abbey, Pollacappul, Connemara, Co. Galway, Ireland

Official site: https://www.kylemoreabbey.com/

14. Kilkenny Castle

Kilkenny Castle
Kilkenny Castle

Kilkenny Castle in southeast Ireland is a 12th-century castle overlooking the River Nore. The castle holds an important piece of Ireland's history following the Norman conquest. Kilkenny Castle was privately owned for hundreds of years until the mid-1960s, when it became the property of the city of Kilkenny.

Today, it remains one of the finest examples of castle architecture in the country. You can walk the stairs below the Rose Garden Terrace to the castle's medieval foundation, and see how the structure winds through the ground floor. Be sure to take note of the circular room beneath the West Tower, which gives insight into the methods used during the castle's 13th-century construction. It seems labor intensive compared to what is used today with technology and machines.

Inside the castle, you can see a cantilevered staircase, a fireplace made entirely of marble, and a stunning grand entrance corridor that adjoins the east and west wings. The castle's collection of 17th-century tapestries is also worth a visit. You will want to plan a significant amount of time to walk the grounds, which feature a park and gardens.

Official site: https://kilkennycastle.ie/

15. Slane Castle

Slane Castle
Slane Castle

The Gothic Revival architecture of Slane Castle in County Meath is one of the reasons it is a standout among castles in Ireland. It was built in the late 1700s in the Boyne Valley by a family committed to improving the Village of Slane.

Guided tours of the castle are offered and recommended as a way to learn about the history of the castle, the significance of its architecture, and the people who lived in the castle throughout the centuries. The estate sits on more than 1,500 acres of park green space, which is nice to stroll, or you can hike up the Hill of Slane to find out about its connection to St. Patrick.

The Slane Castle has also been transformed into a concert venue, so that is a unique way to enjoy the estate if there is an event scheduled during your stay. There are overnight accommodations at Slane Castle available at the organic farm located on the estate.

Official site: https://www.slanecastle.ie/

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imageIreland Highlights: For a quick look at what to see around the country, have a read through our list of the top attractions in Ireland. And if you are spending time in Dublin, see our article on things to do in Dublin, as well as our page: Where to Stay in Dublin: Best Areas & Hotels.

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