Best castles around Fermanagh are found within Northern Ireland's lakelands, offering a rich history reflected in its diverse collection of historic sites. The region features ancient strongholds, neoclassical mansions, and monastic ruins. These locations provide insight into the area's past and its cultural landscape. Fermanagh's natural setting, particularly around Lough Erne, complements these historical attractions.
Last updated: May 6, 2026
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Managed by the National Trust, the Crom Estate is a large nature reserve of woodlands, lake, castle ruins and islands. It is an important habitat for pine martens, bats, deer, red squirrels and butterflies. There is a coffee shop at the estate and if you fancy something different you can hire a boat to explore the lough. For more details check out the website https://www.nationaltrust.org.uk/visit/northern-ireland/crom
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The magnificent Enniskillen Castle is situated in the heart of Enniskillen on the banks of the River Erne. The castle was founded in the 15th century by Hugh 'The Hospitable' Maguire and belonged to the Maguire family for centuries. Between 2007 and 2013 a massive refurbishment took place so that the castle could be opened to the public. Today you can explore the castle grounds and learn about this landmarks rich history.
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Run past the beautiful Castle Coole, a magnificent 18th century manor house set in a gorgeous 1,200 acre wooded landscape park.
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During WW2 Castle Archdale was a major base for flying boats and housed up to 2,500 people. Buildings such as these would have been a central location for the RAF fighters who lived here. Sometimes exhibitions are held in these courtyards to display some of the key historical notes of the use of this area during the war.
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Old Castle Archdale is situated on Castle Hill within a 520 hectare coniferous and mixed broadleaved forest. The castle was built in the 1600s and was the main castle on this former estate before its successor took it's place in the 1800s, Castle Archdale.
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Built in the 17th century, Castle Caldwell was part of the Ulster Plantation, a province of Ireland colonised by British settles throughout King James I era. The castle had a number of inhabitants after that and fell into ruin towards the 1800s. Although access to the castle is now forbidden due to its dangerous state of repair, the surrounding park and forest can be explored freely. Keep your eyes peeled for the ruined chapel and overgrown graveyard.
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Old Castle Archdale sits on a forest clifftop. It is named 'old' to distinguish it from its successor, the 18th century Castle Archdale. The castle was built by an Englishman from Suffolk who had been granted the estate in 1612 after paying 5 pounds, 6 shillings and 8 pence for the 1000 acres of land. During the Irish Rebellion of 1641 the castle was captured by Rory Maguire as part of the uprising to retake his lands that had been lost in 1607. The heir to the castle was saved by his nurse however the other children were killed. After the castle was returned to the family it was repaired and lived in until 1689. The castle saw its end during the Williamite Wars when the castle was burnt out and abandoned.
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This fortified house is on Tully Point and built for Sir John Hume who occupied the house until 1641 when it was attacked by John Maguire and burned on Christmas Eve with all its inhabitants massacred. After that it was not lived in again. There is a visitors centre in a restored farmhouse that has an interesting exhibition telling a number of stories relating to the castle. To visit the castle be sure to step off the bike as it is on foot only!
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Fermanagh offers a diverse range of historical sites. Beyond fortified castles, you can visit grand neoclassical mansions like Castle Coole, which showcases 18th-century elegance. There are also significant monastic ruins, such as the Devenish Island Monastic Site, featuring a 12th-century round tower and ancient abbey buildings, accessible by boat from Enniskillen.
Yes, several castles in Fermanagh are suitable for families. Enniskillen Castle houses two museums with engaging exhibits on local history. The Tully Castle Ruins have a visitor's centre in a restored farmhouse that tells local stories. Additionally, the Crom Estate, home to the Old Crom Castle Ruins, offers ancient woodlands and diverse wildlife, making it great for family walks.
History buffs will find much to explore. Enniskillen Castle, a 15th-century fortress, details Gaelic strongholds and Plantation-era history. The Tully Castle Ruins offer a glimpse into the turbulent 17th century, including its attack and burning in 1641. For a different historical perspective, Castle Coole provides insight into 18th-century Anglo-Irish aristocratic life.
Many castles are set within beautiful natural landscapes. The Crom Estate, home to the Old Crom Castle Ruins, is a significant conservation area with ancient yew trees and diverse wildlife, including red squirrels. Castle Caldwell Ruins are located within Castle Caldwell Forest Park, a nature reserve on the banks of Lower Lough Erne. The surrounding parkland of Necarne Castle also offers mature trees and woodland.
The best time to visit Fermanagh's castles and enjoy outdoor activities is generally during the spring and summer months (April to September) when the weather is milder and daylight hours are longer. This allows for comfortable exploration of castle grounds, parklands, and boat trips to sites like Devenish Island. Autumn can also be beautiful with changing foliage, though weather can be more unpredictable.
Yes, many castles are situated near excellent walking and hiking opportunities. For instance, Old Castle Archdale is within a large forest, offering trails. The Crom Estate provides extensive walking trails through ancient woodlands. You can find more detailed routes and trails in the Hiking around Fermanagh guide, which includes options like the Rossergole Point Walk and trails in Belmore Forest.
Beyond hiking, Fermanagh's lakeland setting offers various outdoor activities. You can find road cycling routes, such as the Boa Island and Pettigo loop from Old Castle Archdale, detailed in the Road Cycling Routes around Fermanagh guide. Gravel biking options are also available, with routes like the From Blacklion to Dowra loop, as seen in the Gravel biking around Fermanagh guide. The loughs also provide opportunities for boating and water sports.
Accessibility varies by site. Enniskillen Castle, being a modern museum, has undergone refurbishments to improve visitor access. Castle Coole, a National Trust property, typically offers good access to its grounds and often has accessible routes within the mansion. However, older ruins like Old Castle Archdale or Monea Castle Ruins may have uneven terrain and limited facilities.
Parking availability differs for each site. Enniskillen Castle is centrally located in Enniskillen town, with nearby public parking options. Castle Coole, a National Trust property, has dedicated visitor parking. For sites like Necarne Castle, free parking is available for visitors exploring the parkland. It's advisable to check specific castle websites for the most current parking information.
While not a traditional castle, the Devenish Island Monastic Site is a profound historical experience and a true hidden gem, accessible only by boat. For castle ruins, Castle Caldwell Ruins, though access to the ruin itself is forbidden, offers a chance to explore the surrounding forest park, ruined chapel, and overgrown graveyard, providing a sense of discovery.
Amenities vary by location. Enniskillen Castle is in Enniskillen town, offering numerous cafes, pubs, and restaurants. Castle Coole, a National Trust site, typically has a tea room or cafe. The Crom Estate, home to the Old Crom Castle Ruins, also has visitor facilities. For more remote sites like Monea Castle Ruins or Tully Castle Ruins, amenities might be limited to nearby villages.
The duration of your visit depends on the castle. For comprehensive sites like Enniskillen Castle or Castle Coole, allow 2-3 hours to explore the museums, interiors, and grounds. For ruins like Tully Castle Ruins or Monea Castle Ruins, 30 minutes to an hour might suffice, especially if combined with exploring nearby natural areas.


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