Best natural monuments around Carrickmacflaherty showcase a landscape rich in geological formations and historical significance. The area features ancient forests, limestone gorges, and notable megalithic sites. These natural features near Carrickmacflaherty Ireland provide opportunities for exploring diverse environments. Visitors can find various natural monuments and walking trails in Carrickmacflaherty.
Last updated: June 16, 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 is rich in geological formations. You can explore the limestone gorge and mystical caves at Cladagh Glen Waterfall, or witness the dramatic cliff edge and bogland habitats of Cuilcagh Mountain, formed from ancient sea creatures. Pollnagollum Cave and Waterfall also offers a fascinating cave system fed by a tumbling waterfall.
Yes, the area features significant historical sites. Visit Giant's Grave & Giant's Cave, a megalithic tomb steeped in local legend. Another must-see is Cavan Burren Park Megalithic Stones, where you can find ancient Stone-Age structures within a unique geological forest landscape.
The natural monuments offer varied scenery throughout the seasons. For example, Cladagh Glen is particularly beautiful in spring when the valley floor is carpeted with bluebells, wood anemones, and wild garlic, and in autumn for magical colours. Generally, late spring to early autumn provides pleasant weather for exploration.
Many of the natural monuments offer trails suitable for families, though some areas require caution. For example, the trails at Cavan Burren Park Megalithic Stones are generally accessible. While Pollnagollum Cave is fairly accessible, care is needed with small children due to potentially unstable and slippery rocks.
The area around Carrickmacflaherty is excellent for various outdoor activities. You can find numerous hiking trails, including easy loops like the Belmore Forest loop via Pollnagollum Cave. There are also running trails and cycling routes, such as sections of the Kingfisher Cycle Trail.
Yes, there are several hiking trails. You can explore the Belmore Forest loop via Pollnagollum Cave (easy) or the more challenging Cuilcagh Mountain Park loop. The Marble Arch Caves via Cladagh River route also offers an easy walk.
At places like Cladagh Glen, you might spot elusive pine martens and red squirrels. The area is also home to various insects, such as silver-washed fritillaries, especially in summer. The diverse habitats, including forests and boglands, support a range of local flora and fauna.
The difficulty varies. Many sites, like parts of Cavan Burren Park, offer intermediate trails. However, you can also find easy hiking options, such as the Belmore Forest loop. More challenging routes exist, like the Cuilcagh Mountain Park loop, which is considered difficult.
While specific parking details for each monument are not always provided, most popular natural attractions in the region typically have designated parking areas nearby. It is advisable to check local signage or official park websites for the most up-to-date information on parking facilities and any associated fees before your visit.
Many outdoor areas in Ireland are dog-friendly, but policies can vary by specific site, especially in nature reserves or protected historical areas. It's generally recommended to keep dogs on a leash and clean up after them. Always check the specific rules for each natural monument or park you plan to visit beforehand.
The natural monuments here are unique due to their blend of ancient geological formations and rich historical significance. You'll find a landscape featuring ancient forests, dramatic limestone gorges, mystical caves, and significant megalithic sites like the Giant's Grave and Cavan Burren Park Megalithic Stones, all within a relatively compact area.
While the guide highlights popular spots, the broader region of Carrickmacflaherty and its surrounding areas often hold smaller, less-frequented natural gems. Exploring local trails and asking locals can sometimes reveal hidden waterfalls, unique rock formations, or quiet forest clearings not widely publicized. The extensive network of trails, like those found in the hiking guide, can lead to such discoveries.


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