Ireland, our beautiful home, is a land steeped in myth, legend, and unforgettable landscapes – but nothing captures its dramatic past quite like its ancient castles scattered across the country.
In this guide, we’ll explore 10 of the best castles in Ireland, each offering a glimpse into the country’s fascinating history, stunning architecture, and the timeless charm that makes these ancient Irish fortresses so magical.
From iconic landmarks like Blarney Castle to hidden gems like Dunguaire, you’ll discover where each castle is located, what to expect when visiting, and the incredible stories behind them.
Whether you’re a history buff, a photographer, or simply love a good fairytale setting, this guide is your key to experiencing the best Irish castles, and in our opinion, the cultural heart of Ireland.
Get ready to peek through a fascinating window into centuries of legend, royalty, and rebellion.
Don’t have time to read this whole article? Visit all the best counties in Ireland (and more!) for the ultimate 2-week Ireland road trip! We have done all the hard work for you so you can sit back, relax, and soak in all the best attractions and must-visit destinations in Ireland!
Why Are There so Many Castles in Ireland?
Why are there so many castles in Ireland?
The answer lies in its centuries of political turmoil, particularly under British rule. During the Norman invasion in the 12th century, the British Crown established fortifications to exert control over the land and local Irish clans.
*The Norman Invasion of Ireland was a major turning point in Irish history that began in 1169 and marked the start of more than 700 years of varying degrees of English influence and control over Ireland.
Over time, Anglo-Norman lords and English settlers built strongholds to defend their territories. The result? A network of over 30,000 castle ruins, and manor houses – many of which still stand proud today. Each one a living piece of Irish history, filled with stories of kings, warriors, and legends.
Here are our top picks for the 10 best castles in Ireland, each one offering a unique glimpse into our fascinating Irish history.
1. Dublin Castle – Dublin City
Where is Dublin Castle: Dublin Castle is located in the heart of Dublin, Ireland’s capital city. Dublin is located on the east coast of Ireland, at the mouth of the River Liffey, facing the Irish Sea.
What to Expect when visiting Dublin Castle: A mix of medieval, Georgian, and modern architecture. Though largely a ceremonial site today, it’s packed with exhibitions and guided tours about Ireland’s complex relationship with British governance.
History of Dublin Castle: Dublin Castle has a rich history dating back to the early 13th century when it was built by the Normans on the site of a Viking settlement. Originally constructed as a defensive fortress under the order of King John of England, it later became the seat of British administration in Ireland for over 700 years. After Ireland gained independence in 1922, Dublin Castle was handed over to the new Irish government and has since been used for state functions, including presidential inaugurations and official ceremonies. Today, Dublin Castle stands as a major historic and cultural site in Ireland and easily one of the most popular castles in Ireland.
Top-rated Dublin Castle Tour:
- Enter the Old Library at Trinity College Dublin to see the illuminated manuscript of the Book of Kells. Then, explore the grounds and gardens of Dublin Castle on this popular Dublin tour.
2. Trim Castle – County Meath
Where is Trim Castle: In the heritage town of Trim. County Meath is located in the east of Ireland, in the province of Leinster, and is bordered by Dublin to the southeast. Meath is known for its rich historical sites, including the ancient Hill of Tara (the seat of the High Kings of Ireland) and the Newgrange prehistoric monument, which is older than the pyramids of Egypt.
What to Expect when visiting Trim Castle: Film buffs will recognize it from Braveheart. Braveheart is Kevin from Happy Irish Wanderers’ favorite movie so visiting Trim Castle is a big deal and a must-see attraction when visiting Ireland. Trim Castle is Ireland’s largest and most impressive Anglo-Norman fortress. It features a 20-sided tower surrounded by a moat and defensive walls. Visitors can explore the castle grounds for free, while trim castle guided tours, including a visit to Newgrange, are available as a day tour from Dublin.
History of Trim Castle: Constructed in the late 12th century by Hugh de Lacy, Trim Castle is the largest Norman castle in Ireland and a cornerstone of medieval Irish history, making it easily one of the best castles in Ireland. Over the centuries, the castle passed through various hands, including the Lacy family, who originally built it, and later, the Bourke family. Trim Castle saw some military activity, but its importance waned over time as the English influence in Ireland diminished and as newer fortifications were built. By the 17th century, this Irish castle fell into disrepair, but it remained a prominent historical site in Ireland. In the 20th century, Trim Castle underwent significant restoration, and today it stands as one of the best castles in Ireland to offer a glimpse into Ireland’s Norman past.
Top-rated Trim Castle tour:
- Explore Ireland’s rich history on a full-day bus tour from Dublin with a local guide. Visit Hill of Tara, Trim Castle, Loughcrew’s Cairns, Fore Distillery and Fore Abbey.
Take a moment to explore the related articles below to help you make the most of your Ireland adventure:
- 50 Easy Irish Phrases and Funny Irish Slang Words
- 60 Best Irish Insults to SURVIVE Your Ireland Trip
- 5 Best Counties in Ireland
- Explore the Best Celtic Symbols and their meanings
3. Kilkenny Castle – County Kilkenny
Where is Kilkenny Castle: Kilkenny Castle is located in the city center of Kilkenny. Kilkenny is located in the southeast of Ireland, in the province of Leinster, along the River Nore.
What to Expect when visiting Kilkenny Castle: Kilkenny Castle is set within 50 acres of beautifully landscaped gardens. Set among beautiful parklands and rose gardens, Kilkenny Castle boasts beautifully preserved interiors, rotating art exhibitions, and a children’s playground, making it one of the most family-friendly castles in Ireland.
History of Kilkenny Castle: Built in 1195 by the Normans, Kilkenny Castle was the stronghold of the powerful Butler family for nearly 600 years. Its long history showcases the Norman influence in Irish history. In the 20th century, after the Butler family sold the estate, the castle deteriorated and was eventually handed over to the state in 1967. Restoration work began in the 1990s, and today, Kilkenny Castle is a beloved Irish historical site and is one of the best castles in Ireland to offer a glimpse into Ireland’s aristocratic past.
Top-rated Kilkenny Castle Tour:
Discover the medieval charm of Kilkenny, the serene beauty of Glendalough, and the Wicklow Mountains on this guided tour from Dublin. Enjoy a sheepdog show, showcasing the skills of these intelligent animals.
4. Rock of Cashel – County Tipperary
Where is the Rock of Cashel: Perched above Cashel town in County Tipperary is Ireland’s famous Rock of Cashel. Tipperary is located in the south-central part of Ireland, in the province of Munster. It’s one of the country’s largest inland counties.
What to Expect when visiting the Rock of Cashel: When visiting Ireland’s Rock of Cashel you will be treated to a stunning collection of medieval ruins – round towers, high crosses, and medieval chapels – perched on a limestone hill, offering breathtaking views of the surrounding Irish countryside.
History of the Rock of Cashel: Once the seat of Munster kings, the Rock of Cashel was given to the Church in the 12th century. The Rock of Cashel is believed to be the place where St. Patrick converted the King of the Kings of Munster to Christianity by using a shamrock. Its religious and royal history marks it as one of the most spiritual and iconic castles in Ireland.
Top-rated Rock of Cashel Tour:
- Explore 3 iconic Irish sites on a day tour from Dublin. Embark on the ultimate Irish castle tour, ticking off three must-see castles on our list: kiss the famous stone at Blarney Castle, explore the historic Cahir Castle, and discover the majestic Rock of Cashel – it doesn’t get better that this!
Watch the video below as we take you on a virtual tour of the Rock of Cashel:
5. Cahir Castle – County Tipperary
Where is Cahir Castle: We are sticking to County Tipperary for our next Irish castle recommendation – Cahir Castle. Cahir Castle is located in Tipperary’s Cahir town, beside the River Suir.
What to Expect when visiting Cahir Castle: With massive towers, drawbridges, and defensive walls, Cahir Castle is one of Ireland’s largest and best-preserved medieval castles. Cahir Castle has been featured in several films and TV shows for its authentic and dramatic appearance. Notably, it appeared in Excalibur (1981), The Tudors, and The Green Knight (2021) – see if you can recognize it!
History of Cahir Castle: Cahir Castle was built in the 13th century by the O’Brien family and expanded by the Butlers. Its role in military defense and political control makes it one of the best Irish castles for understanding the Norman era. Cahir Castle played a key role in several historical conflicts, including sieges by the Earl of Essex in 1599 and Oliver Cromwell in 1650. Despite damage over the centuries, Cahir Castle has been carefully restored and now stands as a striking example of medieval military architecture, complete with towers, and battlements. This Irish castle even has a cannonball still lodged in its walls – see if you can spot it as you enter the castle!
Continue discovering the incredible Irish history by exploring Ireland’s best megalithic sites.
6. Blarney Castle – County Cork
Where is Blarney Castle: Blarney Castle is located just outside Cork City. Cork is located in the southwest of Ireland, in the province of Munster, along the River Lee and near the country’s southern coast.
What to Expect when visiting Blarney Castle: Blarney Castle is a medieval fortress and is one of the best Irish castles for tourists visiting Ireland. Here, you’ll find the famous Blarney Stone, which, according to Irish legend, grants the “gift of the gab” – the power of eloquence and persuasive speech – to those who kiss it; doing so involves leaning backward over a high drop, adding a thrilling twist to this beloved Irish tradition. Though much of the interior is now in ruins, the massive stone tower still stands proudly, surrounded by beautiful gardens, and mysterious rock formations.
History of Blarney Castle: Built in 1446 by the powerful MacCarthy clan, Blarney Castle became iconic during Elizabethan times when its owners cleverly delayed surrendering to Queen Elizabeth I. The word “blarney” even entered the English language as a synonym for flattering talk. The Queen repeatedly demanded that the castle be handed over to English control, but Dermot McCarthy kept delaying with polite, diplomatic excuses – what she called “all Blarney.” Let’s just say there are no better people to offer the “gift of the gab” than those from County Cork! (Kevin is from Cork)
Check out all the best things to do in Cork as well as Cork’s best towns you must visit when touring Ireland.
Top-rated Blarney Castle Tour:
- Explore Co. Cork, Blarney Castle & Gardens, Charles Fort, Kinsale, Cobh with its Titanic Museum. Shop, sample Stout and seafood, and explore winding streets with painted shops, pubs, and cafes. Book this ultimate Cork Tour which includes a visit to Blarney Castle at exceptional value now!
Don’t forget the option of booking an Irish castle tour to include the last 3 castles on this list – Rock of Cashel, Cahir Castle and Blarney Castle.
7. Bunratty Castle – County Clare
Where is Bunratty Castle: Bunratty Castle is located in County Clare, in the west of Ireland, near the town of Shannon and just a short drive from Limerick City.
What to Expect when visiting Bunratty Castle: Explore the Bunratty Castle, a well-preserved 15th-century fortress with impressive interiors and views of the surrounding countryside. What makes visiting Bunratty castle a unique experience is the Bunratty Folk Park which brings Irish history to life with recreated traditional cottages, farms, and a village street. You can also experience a traditional Irish medieval banquet in Bunratty castle, where you’ll enjoy a meal while being entertained by music and performances. Bunratty Castle truly offers a full Irish heritage experience. Kate from Happy Irish Wanderers hails from County Clare, close to Bunratty Castle and there has been many a school tour to Bunratty Castle over the years!
*Top Bunratty Tip: Be sure to enjoy some traditional Irish food and perhaps a cheeky Irish whisky in the famous Irish pub and restaurant – Durty Nellys (see yellow building in the photo above!)
Related articles before hitting an Irish Pub:
- Expert Advice on The Best Dos and Don’ts For Visiting Ireland
- Why Do Irish People Drink? The Real Reasons Behind the Pint
- Most Hilarious Irish Insults to Make you Laugh out Loud
History of Bunratty Castle: The history of Bunratty Castle dates back to the 15th century, though its origins trace back earlier. The site was originally a fortress built by the O’Brien family, who were the Kings of Thomond, a kingdom in medieval Ireland. The first structure on the site was built in 1250, but the current castle was constructed in its present form around 1425 by the O’Brien clan. By the 18th century, Bunratty castle fell into disrepair and was almost demolished. However, it was rescued in the 1950s by the Office of Public Works, who restored it to its former glory, making it a major historical and tourist site in Ireland and now easily one of the best castles in Ireland.
Top-rated Bunratty Castle Tour:
- From Dublin: Experience the very best of the West of Ireland on a Cliffs of Moher, Ennis, & Bunratty Castle Day Tour
Travel Insurance for Ireland – Even with the luck of the Irish, things can still go wrong. World Nomads Travel Insurance is our top choice for travel coverage for Ireland. With the best transparent fine print in the industry, it’s no wonder they’re ranked number one. Don’t let your adventures turn into mishaps and get a free quote today!
8. Ross Castle – County Kerry
Where is Ross Castle: Ross Castle is uniquely located on the edge of Lough Leane in Killarney National Park. County Kerry is located in the southwest of Ireland, in the province of Munster.
What to Expect when visiting Ross Castle: What makes this Irish Castle unique is that visitors can explore its surroundings via canoe! You can explore the castle through guided tours that showcase medieval architecture, period furnishings, and stories of its role in Irish history. The best reasons to visit Ross castle is for its stunning views of the Killarney lake and surrounding Kerry mountains – the MacGillycuddy’s Reeks range which is home to Ireland’s highest peaks.
Ross Castle and the mountains behind it make for some of the most iconic postcard views in Ireland. If you’re heading that way and are into hikes, the Gap of Dunloe or Ladies View are to name but a few. For the more adventurous of you you can take on the challenge of hiking Ireland’s tallest mountain Carrauntoohil, at 1,038 meters (3,406 feet).
If hiking is up your street, check out our top 10 most unique hikes in the world.
History of Ross Castle: Ross Castle was built in the 15th century by the O’Donoghue clan and was the last stronghold in Munster to fall to Oliver Cromwell’s forces. After the Cromwellian era, the Browne family, loyal to the English crown, acquired the castle and surrounding lands. They later became the Earls of Kenmare. In the 18th and early 19th centuries, Ross Castle served as a military barracks. By the 20th century, the castle had fallen into disrepair. Recognizing its historical significance, the Irish government undertook restoration efforts, and today, Ross Castle is open to the public, offering guided tours that delve into its rich history. A powerful symbol in Irish history, it’s a must-see among the best castles in Ireland.
*Oliver Cromwell led a brutal military campaign in Ireland from 1649 to 1650, marked by massacres and land seizures of the Irish people, leaving a legacy of deep resentment and trauma that still echoes in Irish memory today.
Top-rated Ross Castle Tour:
- Explore the Lakes of Killarney on a guided kayak tour from Ross Castle. Learn about the history of the area and take in the views of the mountains and the lakes.
9. Ashford Castle – County Mayo
Where is Ashford Castle: Near Cong, on the shores of Lough Corrib – the largest lake in the Republic of Ireland. County Mayo is located on the west coast of Ireland, in the province of Connacht, bordered by the Wild Atlantic Ocean.
What to Expect when visiting Ashford Castle: Now a luxury Irish hotel, Ashford Castle is one of the best castles in Ireland to stay in. When visiting this unique Irish Castle you can expect a mix of historic charm and luxury. Originally a 13th-century castle, it’s now a world-renowned five-star hotel in Ireland, set on a stunning 350-acre estate. Visitors can enjoy beautiful gardens, woodlands, and lake views, along with unique experiences like falconry, guided nature walks, archery, and even wine tastings in a 16th-century cellar. If you are searching for luxury accommodation in Ireland, Ashford Castle is the top choice.
History of Ashford Castle: Ashford Castle has a rich history dating back to 1228 when it was built by the Anglo-Norman de Burgo family. In 1852, Sir Benjamin Lee Guinness, of the famous Guinness brewing family, purchased the estate and expanded it significantly, adding Victorian-style extensions and planting thousands of trees. In 1939, Ashford Castle was sold to Noel Huggard, who transformed it into Ireland’s most luxurious hotel. Over the years, Ashford Castle has hosted numerous distinguished guests, including King George V, John Lennon, and Ronald Reagan. Today, it stands as a five-star hotel in Ireland blending history and luxury seamlessly.
An interesting fact about the Guinness family is that Arthur Guinness, the founder of the Guinness brewery, famously signed a 9,000-year lease for the St. James’s Gate Brewery in Dublin in 1759 – at an annual rent of just £45. While the lease is no longer in effect due to expansions, it’s become a legendary symbol of the family’s long-term vision and confidence in their beer!
Top rated Ashford Castle Tour:
If you don’t have the time (or funds!) to stay at this luxury Irish castle, you can book a tour to explore the stunning gardens and grounds of Ashford Castle.
Check out some of the most unique Irish accommodations to make your Ireland trip even more enchanting.
10. Dunguaire Castle – County Galway
Where is Dunguaire Castle: Dunguaire Castle is located near Kinvara, overlooking Galway Bay. Galway is located on the west coast of Ireland, in the province of Connacht.
What to Expect from Dunguaire Castle: Although a lesser-known castle in Ireland, visitors to Dunguaire Castle can expect to explore a small picturesque 16th-century tower house set on the scenic shores of Galway Bay. This Irish castle is surrounded by beautiful views of the bay, making it a picturesque spot for photos and sightseeing. Not only that but Dunguaire Castle hosts medieval banquets during the summer months, where guests can enjoy traditional Irish food and music while dining in the castle’s historic great hall.
History of Dunguaire Castle: Built in 1520 by the O’Hynes clan, Dunguaire Castle became a hub for Irish literary revivalists in the 20th century, hosting gatherings of prominent writers such as W.B. Yeats, Lady Gregory, George Bernard Shaw, and J.M. Synge. Dunguaire Castle offers visitors a glimpse into 16th-century life and hosting medieval-style banquets from April to October. Its cultural connections make it one of the most charming best Irish castles and for those interested in Irish literature then Dunguaire Castle is a must-visit Irish attraction.
Best Ireland Castle Itinerary
Start in Dublin→ Trim Castle (Meath) → Kilkenny Castle (Kilkenny) → Rock of Cashel (Tipperary) → Cahir Castle (Tipperary) → Blarney Castle (Cork) → Bunratty Castle (Clare) → Ross Castle (Kerry) → Ashford Castle (Mayo) → Dunguaire Castle (Galway) → Back to Dublin
This makes an ideal 7–10 day Irish Castle itinerary, blending some of the most iconic castles in Ireland with stunning countryside, rich history, and a scenic road trip through the best counties in Ireland!
Plan Your Dream Castle Tour of Ireland Today!
Ready to explore the best castles in Ireland? Book your perfect Castle Tour in Ireland tailored to your travel dates, group size, and interests.
Or if you are self-driving around Ireland, check out our recommended castle tour in Ireland itinerary.
If you decide not to join a guided tour of the Emerald Isle, the best way to explore Ireland is by car at your own pace – click to get a free quote for Car Rental in Ireland.
Why You Should Visit the Best Castles in Ireland
From the haunting beauty of ancient Irish ruins to the luxury of castle hotels, the best Irish castles let you walk through the ages. These iconic sites in Ireland are more than stone walls and towers – they’re storytellers, each one revealing layers of Irish history, resilience, and stories.
Whether you’re tracing Norman conquests, climbing spiral staircases, or dining like a lord, experiencing the best castles in Ireland is one of the richest cultural journeys you can take. For history buffs and fairy-tale lovers, Ireland’s castles are magical doorways to a proud and complex past.
What do you think of the suggestions given in this guide to the best castles in Ireland? Have you visited any of these Irish castles? We would love to hear what you think are the best castles in Ireland.
Feel free to leave a message below or contact us on our socials.
Slán go fóil
This post contains affiliate links. If you click on the links to make a purchase, we will earn a small commission. This is at NO EXTRA COST to you. This is a free way to support us and allow us to continue to create inspiring adventure travel guides.
