Best natural monuments around Kilrooskagh Island are found in the broader County Fermanagh region, as the island itself is a small townland. This area features diverse natural landscapes, including ancient geological formations and significant archaeological sites. The terrain encompasses moorlands, limestone gorges, and mountainous regions, offering varied exploration opportunities.
Last updated: May 17, 2026
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Incredible Stone-Age park, with some technical trails. Massive mythological sacred stones worshipped over centuries, will follow you when adventuring into this unique geological and archaeological forest landscape.
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Stunning limestone caves which you can explore on a guided tour. Well worth a visit. There are 150 steps down to the caves so if you are wearing cleats please be aware, or change into a pair of trainers before you descend down into the natural wonder. There is also a cafe on site. For further details please see https://marblearchcaves.co.uk/
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Marble Arch caves are situated at the picturesque foothills of the Cuilcagh Mountain. They are the longest underground cave system in Northern Ireland (7.1 miles in total) and are said to be the most magnificent in Britain. The caves are regarded as a world-class natural attraction, they are situated in the Cuilcagh Lakelands which is the world's first UNESCO Global Geopark. The caves are only explorable by guided tours which run daily between 10am - 5pm. To secure a spot, visit https://marblearchcaves.co.uk/online-booking-guided-cave-tour/
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Clodagh Glen has a steep sided gorge that is lined by ancient ash trees that cling to the steep sides. The water sculpted river valley has a spectacular arch over the river which formed when the cave roof collapsed. The reserve is known for its limestone gorge, mystical caves and beautiful waterfalls. In the springtime the valley floor is carpeted by bluebells, wood anemones and wild garlic and in the summer silver-washed fritillaries are found besides the path. With a keen eye you may also spot an elusive pint martin and red squirrels!
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The Cuilcagh Mountain Park covers 6,000 acres on the north slopes of the Cuilcagh Mountain. The park was founded in 1998 and works to conserve the bogland and restore damaged peatland. At 665m the mountain is one of the highest points in Ireland. The Limestone rock was formed over 300 million years ago by ocean calcifying organisms when Ireland was covered by shallow tropical sea. With an interesting and varied flora and fauna alongside historic ancient ruins, there is plenty to explore in the park.
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Many of Ireland’s megalithic monuments—portal tombs, court cairns, or wedge tombs such as this one—are known locally as “the giant’s grave.” But this one, on a hilltop in Co. Cavan’s Burren Forest Park, has a giant story to go along with its name. According to Harold Johnson, from the nearby town of Blacklion, the giant, attempting to impress a lady, failed in his final attempt to jump the nearby chasm, which is, of course, called “The Giant’s Leap.” Harold Johnson relates this story in some detail, while seated on the Giant’s Grave, in the video, below right. Mr. Johnson also was our guide, and provided the narration, for our feature on the Killinagh Cursing Stones, located on the opposite side of the town of Blacklion. (https://voicesfromthedawn.com/burren-giants-grave/)
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The region around Kilrooskagh Island, particularly County Fermanagh, offers a diverse range of natural monuments. You can discover ancient geological formations like the limestone rock of Cuilcagh Mountain, dramatic features such as the Cladagh Glen Waterfall and its limestone gorge, and fascinating cave systems like Pollnagollum Cave and Waterfall. The area also features significant archaeological sites often intertwined with natural landscapes, such as the megalithic tombs at Giant's Grave & Giant's Cave.
Yes, the region is rich in historical and archaeological natural monuments. You can visit Giant's Grave & Giant's Cave in the Burren Forest, which features megalithic tombs linked to an Irish legend. Another notable site is Cavan Burren Park Megalithic Stones, an ancient Stone-Age park with significant geological and archaeological features, including massive sacred stones.
For breathtaking views, head to the Cliff Edge of Cuilcagh Mountain, which offers far-reaching vistas from one of Ireland's highest points. The Cladagh Glen Waterfall is another highly scenic spot, known for its steep-sided gorge, ancient ash trees, and a spectacular natural arch formed by a collapsed cave roof.
Many natural monuments in the area can be enjoyed by families. The trails within Cavan Burren Park Megalithic Stones offer an engaging way to explore ancient history and unique landscapes. The Cladagh Glen Waterfall area, with its mystical caves and beautiful waterfalls, provides a magical setting for exploration, though care should be taken on slippery paths.
While specific dog policies can vary, many outdoor natural monuments in the region are generally dog-friendly, especially if dogs are kept on a leash. For example, the trails around Cavan Burren Park Megalithic Stones and the wider Cuilcagh Mountain Park are popular for walks with dogs. Always check local signage for any restrictions, especially in nature reserves or protected areas, and ensure you clean up after your pet.
The area around Kilrooskagh Island is excellent for various outdoor activities. You can find numerous hiking trails, including easy hikes like the Belmore Forest loop via Pollnagollum Cave or the Marble Arch Caves via Cladagh River. For more options, explore the easy hikes around Kilrooskagh Island guide. There are also extensive routes for cycling and mountain biking, offering diverse terrain from moderate to difficult.
While many natural monuments in the region involve uneven terrain, some areas offer more accessible paths. For instance, the Cuilcagh Boardwalk Trail (Stairway to Heaven), while a significant ascent, features a wooden walkway that guides visitors across moorland, making it more manageable than natural trails. However, specific wheelchair accessibility can be limited for sites like Pollnagollum Cave, which is noted as not wheelchair accessible.
The best time to visit is generally during the spring (April-May) and summer (June-August) months when the weather is milder and daylight hours are longer. In spring, you can witness the valley floor of Cladagh Glen carpeted with bluebells, wood anemones, and wild garlic. Summer offers the most pleasant conditions for hiking and exploring. Autumn also brings beautiful colors to the forests and landscapes.
Given the varied terrain and often changeable weather in County Fermanagh, it's advisable to wear sturdy, waterproof hiking boots, especially if you plan to explore trails or areas with potentially slippery rocks like Pollnagollum Cave. Layered clothing is recommended, including waterproof outerwear, as conditions can change quickly, particularly on higher elevations like Cuilcagh Mountain.
While Kilrooskagh Island itself is a small townland, the broader County Fermanagh region has amenities. Towns like Blacklion and Belcoo, which are gateways to many of these natural monuments, offer cafes, pubs, and accommodation options. It's always a good idea to check specific locations for nearby facilities before your visit, especially for more remote sites.
Generally, most natural monuments in the region, such as Giant's Grave & Giant's Cave or Cavan Burren Park Megalithic Stones, do not require specific permits for general access. However, some areas, particularly those within managed parks like Cuilcagh Mountain Park, may have designated parking fees or require booking for specific trails like the Cuilcagh Boardwalk Trail. Always check the official websites for the latest visitor information.
The diverse habitats around Kilrooskagh Island support various wildlife. In areas like Cladagh Glen, you might spot elusive pine martens and red squirrels, along with silver-washed fritillaries in the summer. The bogland habitats of Cuilcagh Mountain Park are home to unique flora and fauna adapted to that environment. Keep an eye out for various bird species throughout the region.


Extend your search for the best caves by checking out these guides of the top ones around Kilrooskagh Island: