Best attractions and places to see around Glenross include a collection of historical sites and ancient structures. The region features remnants of castles, priories, and early Christian monuments, reflecting a long history. These sites are often set within natural landscapes, offering opportunities for exploration.
Last updated: May 9, 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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Founded by Saint Laisrén mac Nad Froích (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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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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Glenross is rich in historical sites and ancient structures. You'll discover remnants of castles, priories, and early Christian monuments, reflecting a long and storied history. The area offers a variety of attractions to see and explore, from ruined fortifications to unique stone carvings.
Yes, the area features several significant historical sites. You can explore Old Castle Archdale, a 17th-century castle on a forest clifftop that was captured during the Irish Rebellion of 1641. Another must-see is Tully Castle Ruins, a fortified house that was attacked and burned in 1641 and never re-inhabited.
For early Christian heritage, visit Killadeas Priory Church and Early Christian Stones. Its graveyard contains several notable stones, including the Bishops stone and a large slab with multiple cup-shaped hollows. Additionally, the Devenish Island Round Tower, a 12th-century monastic site, is a prominent religious landmark.
Both Tully Castle Ruins and Castle Archdale Courtyard Buildings are considered family-friendly. Tully Castle has a visitor's centre with exhibitions, while the Courtyard Buildings offer insights into the area's history, including its role during WW2.
Absolutely! There are several cycling routes available. For an easy ride, consider the Kingfisher Cycle Trail - Northern Loop or the Rossmore Point Beacon – Old Castle Archdale loop. More challenging options include the Carrick Lough – Roogagh Waterfall loop. You can find more details and routes in the Cycling around Glenross guide.
Yes, the area offers various running trails. You can find moderate routes like the Rossmore Point Beacon – Castle Archdale Marina loop or more difficult ones such as the Old Castle Archdale – Rossmore Point Beacon loop. Explore these and other options in the Running Trails around Glenross guide.
Old Castle Archdale was built in 1615 by John Archdale. It sits on a forest clifftop and was captured by the Irish during the 1641 rebellion. The castle was inhabited until 1689 when it was destroyed by fire during the Williamite Wars and subsequently abandoned.
Killadeas Priory Church and Early Christian Stones is notable for its graveyard, which houses several ancient stones. These include the Bishops stone, which has been altered and reused, and a large slab featuring at least twelve cup-shaped hollows, suggesting it was a bullaun stone reused as an early Christian cross slab.
Tully Castle Ruins is a fortified house built for Sir John Hume. It was attacked and burned on Christmas Eve in 1641, with its inhabitants massacred, and was never lived in again. A visitor’s centre in a restored farmhouse nearby provides exhibitions telling local stories related to the castle.
Yes, road cyclists can find several routes around Glenross. Options range from easy, like the Boa Island and Pettigo loop, to moderate, such as the Dromare and Omagh loop or the Tully Castle Ruins – The Big Tree loop. Discover more routes in the Road Cycling Routes around Glenross guide.
The Devenish Island Round Tower is a 25-meter tall 12th-century structure, part of a monastic site founded in the 6th century. It stands majestically above ruined buildings and can be climbed by the public via a series of ladders, offering unique views and showcasing 12th-century Romanesque features.


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