Best attractions and places to see around Relagh Guinness include a variety of historical sites, ancient ruins, and natural landscapes. This region offers a blend of cultural heritage and outdoor exploration, with several significant landmarks. Visitors can explore historical castles, ancient monastic settlements, and serene forest environments. There are 14 hidden gems waiting to be discovered in this area.
Last updated: May 11, 2026
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In the graveyard are several interesting stones, probably the most noted one is known as the Bishops stone, this odd shaped stone has been altered and reused several times, originally thought to have been a carved figure similar to those on nearby White Island. Another stone with a lot of history is the large slab standing west of the bishops stone, one side of the stone bears at least twelve cup-shaped hollows, see image above right, which suggest this maybe a multiple bullaun stone/cup marked stone that has been reused as an early Christian cross slab, as on the obverse face is a Greek cross in a circle with a bifurcated stem. Situated south of the bullaun stone is a holed stone, as the image shows this stone is half embedded in the ground. Immediately to the West of the holed stone is a broken 1.2 metre high stone pillar. This stone may have been damaged. http://www.megalithicireland.com/Killadeas.htm
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Devenish Monastic Site is generally considered to be the most important of Lough Erne's many island church settlements. Devenish was founded in the 6th century by St Molaise. It was raided by Vikings in 837 and burned in 1157, but in the Middle Ages flourished as the site of a parish church and St Mary's Augustinian Priory. There are extensive low earthworks on the hillside, but the earliest buildings are St Molaise's House (a very small church) and the fine round tower close by, both with striking Romanesque decorations from the 12th century. Teampull Mรณr, the lower church, dates from the early 13th century and has a beautifully moulded south window. It was extended to the east in about 1300, while later additions include a residential wing to the north and the Maguire Chapel to the south, with 17th century heraldic slabs. St Mary's Augustinian Priory on the hilltop dates from the middle 15th and early 16th centuries, with church, tower and small north cloister. In its graveyard stands an unusual, intricately-carved cross of the middle 15th century. - https://en.wikipedia.org/wiki/Devenish_Island - https://web.archive.org/web/20120224043140/http://www.culturenorthernireland.org/article.aspx?art_id=746
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Founded by Saint Laisrรฉn mac Nad Froรญch (aka St Molaise) in the 6th century, the monastic site was built on a pilgrimage route to Croagh Patrick. As you view the Island from Trory Pier you can see the 25 metre tall 12th century round tower standing majestically above the ruined buildings. The tower has wooden floors and can be climbed by the public via a series of ladders. The tower is decorated with 12th century romanesque features, the most unusual feature is a beaded cornice running around the top of tower with head sculpture featured above the bell-storey windows. - http://www.megalithicireland.com/Devenish%20Round%20Tower.html - https://archive.ph/20121224010315/http://www.ni-environment.gov.uk/places/monuments/devenish.shtml#selection-1091.0-1091.30
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In the graveyard are several interesting stones, probably the most noted one is known as the Bishops stone, this odd shaped stone has been altered and reused several times, originally thought to have been a carved figure similar to those on nearby White Island. Another stone with a lot of history is the large slab standing west of the bishops stone, one side of the stone bears at least twelve cup-shaped hollows, see image above right, which suggest this maybe a multiple bullaun stone/cup marked stone that has been reused as an early Christian cross slab, as on the obverse face is a Greek cross in a circle with a bifurcated stem. Situated south of the bullaun stone is a holed stone, as the image shows this stone is half embedded in the ground. Immediately to the West of the holed stone is a broken 1.2 metre high stone pillar. This stone may have been damaged. http://www.megalithicireland.com/Killadeas.htm
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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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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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The region around Relagh Guinness is rich in history. You can visit Old Castle Archdale, a 17th-century castle built in 1615, perched on a clifftop within a large forest. Another significant site is Killadeas Priory Church and Early Christian Stones, featuring ancient stones including the notable Bishops stone and a large slab with cup-shaped hollows. Don't miss the Devenish Monastic Site, a 6th-century settlement with extensive ruins and a well-preserved round tower.
Yes, the Castle Archdale Courtyard Buildings played a significant role during World War II. They served as a major base for flying boats and housed up to 2,500 people. Exhibitions are sometimes held here to highlight the area's wartime history.
You can enjoy various outdoor activities. For hiking, explore easy trails like 'Old Archdale Castle via Tom's Island' or 'Necarne Woods via Necarne Castle'. Cyclists can find road cycling routes such as 'Dromare and Omagh loop from Irvinestown' or touring bicycle routes like the 'Kingfisher Cycle Trail - Northern Loop'. You can find more details on these routes in the easy hikes, road cycling, and cycling guides for the area.
The Castle Archdale Courtyard Buildings are considered family-friendly, offering a glimpse into local history, including its role in WW2. The surrounding Castle Archdale Forest also provides opportunities for family walks and exploration.
The Devenish Monastic Site is a must-visit, founded in the 6th century by St Molaise. It features extensive ruins, including St Molaise's House, Teampull Mรณr (the lower church), and St Mary's Augustinian Priory. The site also boasts an intricately carved cross and the impressive Devenish Island Round Tower, which visitors can climb.
At Killadeas Priory Church and Early Christian Stones, you'll find several historically significant stones. The 'Bishops stone' has been altered and reused multiple times. Another large slab features at least twelve cup-shaped hollows, suggesting it was a bullaun stone reused as an early Christian cross slab with a Greek cross design. There's also a holed stone and a broken stone pillar.
Yes, the 25-meter tall 12th-century Devenish Island Round Tower can be climbed by the public via a series of internal ladders. It offers a unique perspective and allows you to appreciate its 12th-century Romanesque features, including a beaded cornice and head sculptures.
The area around Relagh Guinness features serene forest environments. Old Castle Archdale is situated within a 520-hectare coniferous and mixed broadleaved forest, offering a blend of historical exploration and natural beauty. The region is known for its forested areas, providing opportunities for walks and enjoying nature.
Popular easy hiking trails include 'Old Archdale Castle via Tom's Island', 'Necarne Woods via Necarne Castle', and the 'Castle Archdale Marina โ Rossmore Point Beacon loop from White Island'. These routes offer a chance to explore the local scenery and historical sites. More details can be found in the easy hikes guide.
Yes, for touring bicycles, you can explore routes like the 'Kingfisher Cycle Trail - Northern Loop', 'Rossmore Point Beacon โ Old Castle Archdale loop from White Island', or the 'Blaney โ Shore Road loop from Blaney'. These routes vary in distance and difficulty, offering options for different skill levels. Check the cycling guide for more information.
Old Castle Archdale was built in 1615 by Englishman John Archdale. It was captured during the Irish Rebellion of 1641 and later destroyed by fire and abandoned during the Williamite Wars in 1689. Perched on a clifftop within a thick forest, its crumbling walls offer a vivid glimpse into centuries past.
Visitors appreciate the blend of cultural heritage and outdoor exploration. The historical castles like Old Castle Archdale, ancient religious sites such as Devenish Monastic Site, and the serene forested areas are highly valued. The community has shared over 10 photos and given more than 10 upvotes, highlighting the appeal of these diverse landmarks.


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