Natural monuments around Carrickadrantan offer a diverse landscape featuring ancient geological formations and historical sites. The region is characterized by its unique blend of megalithic structures, limestone gorges, and mountain environments. Visitors can explore a variety of natural features, including caves, waterfalls, and forested areas. There are 8 natural monuments to discover in the Carrickadrantan area.
Last updated: June 29, 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 offers a blend of historical and geological wonders. You can visit Giant's Grave & Giant's Cave, a historical site with megalithic tombs linked to Irish legends. Another unique spot is Cavan Burren Park Megalithic Stones, an ancient Stone-Age park with mythological sacred stones set in a distinct geological and archaeological forest landscape.
Yes, Cladagh Glen Waterfall is a beautiful nature reserve featuring a steep-sided limestone gorge, mystical caves, and waterfalls, all lined by ancient ash trees. Additionally, Pollnagollum Cave and Waterfall is known for its complex cave system fed by a tumbling waterfall.
At Cladagh Glen Waterfall, with a keen eye, you might spot an elusive pine martin and red squirrels. The area is also home to diverse flora, including bluebells, wood anemones, and wild garlic in spring, and silver-washed fritillaries in summer.
While specific 'family-friendly' categories aren't listed, sites like Cavan Burren Park Megalithic Stones offer a Stone-Age park experience that can be engaging for families. For Pollnagollum Cave and Waterfall, caution is advised with small children due to potentially unstable and slippery rocks.
You can find several easy hiking routes that incorporate natural monuments. For example, the 'Belmore Forest loop via Pollnagollum Cave' and 'Tullygobban Tomb – Giant's Grave & Giant's Cave loop from Blacklion' are popular options. You can explore more options on the Easy hikes around Carrickadrantan guide.
Yes, the Cliff Edge of Cuilcagh Mountain offers a natural monument that is also a significant viewpoint and summit. Cuilcagh Mountain is one of the highest points in Ireland, providing far-reaching views and diverse flora and fauna.
Many natural monuments in the area have deep historical roots. Giant's Grave & Giant's Cave features ancient megalithic tombs, while Cavan Burren Park Megalithic Stones is an ancient Stone-Age park with mythological sacred stones. The Cliff Edge of Cuilcagh Mountain also has historic ruins dating back to the 19th century.
Yes, the Carrickadrantan area offers various cycling and gravel biking routes. For gravel biking, you can find routes like 'From Blacklion to Dowra loop'. For general cycling, options include 'Marble Arch Caves & Florence Court loop from Belcoo'. More details are available in the Gravel biking around Carrickadrantan and Cycling around Carrickadrantan guides.
The region is characterized by ancient geological formations. The Cladagh Glen Waterfall is known for its limestone gorge and water-sculpted river valley. Cuilcagh Mountain itself is composed of limestone rock formed over 300 million years ago from ancient sea creatures.
The natural monuments offer different experiences throughout the year. For example, Cladagh Glen Waterfall is particularly beautiful in springtime when the valley floor is carpeted by bluebells, wood anemones, and wild garlic. Autumn also brings magical colors to the forested areas.
While the main highlights are well-regarded, exploring the extensive Burren Forest, which hosts sites like Giant's Grave & Giant's Cave, can lead to discovering less-trafficked paths and quiet corners within the unique geological landscape. The tips for Pollnagollum Cave and Waterfall suggest it's a fascinating, albeit challenging, exploration.


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