Natural monuments around Drumelly showcase a landscape shaped by ancient geological processes and historical human activity. The region features diverse natural formations, including limestone gorges, ancient forests, and significant mountain areas. These natural features often intertwine with megalithic sites, offering insights into both the natural and cultural heritage of the area. Visitors can explore a variety of natural attractions, from waterfalls and caves to mountain summits and unique rock formations.
Last updated: May 2, 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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Drumelly offers a diverse landscape featuring ancient geological formations and historical sites. You can explore megalithic tombs like Giant's Grave & Giant's Cave, unique geological and archaeological forest landscapes at Cavan Burren Park Megalithic Stones, and dramatic natural features such as the limestone gorge and waterfalls at Cladagh Glen Waterfall.
Yes, the Cliff Edge of Cuilcagh Mountain offers spectacular views. Towering at 2,188 feet (665 m), Cuilcagh Mountain is one of the highest points in Ireland, providing far-reaching vistas across the landscape.
Many natural monuments in Drumelly are intertwined with history and legend. For instance, Giant's Grave & Giant's Cave features megalithic tombs with local legends of giants. Similarly, Cavan Burren Park Megalithic Stones is an ancient Stone-Age park with mythological sacred stones.
Absolutely. Cladagh Glen Waterfall is a notable nature reserve known for its limestone gorge, mystical caves, and beautiful waterfalls. Additionally, Pollnagollum Cave and Waterfall is fed by a tumbling waterfall and is part of a complex cave system.
The area around Drumelly offers various outdoor activities. You can find easy hikes, such as the Belmore Forest loop via Pollnagollum Cave, or explore MTB trails like the Kingfisher Trail and Florence Court Loop. For more options, check out the MTB Trails around Drumelly, Easy hikes around Drumelly, and Gravel biking around Drumelly guides.
While specific 'family-friendly' categories aren't listed for all monuments, many natural areas can be enjoyed by families. For example, the easy hikes around Drumelly, such as the Marble Arch Caves via Cladagh River, are suitable for a wider range of ages. Always check the difficulty of specific trails before heading out with children.
Visitors frequently highlight the unique blend of natural beauty and historical intrigue. The ancient megalithic structures, dramatic gorges, mystical caves, and stunning waterfalls are often mentioned. The komoot community has contributed 9 upvotes and 5 photos, indicating a strong appreciation for the region's diverse natural and historical offerings.
The best time to visit for outdoor activities generally depends on personal preference. Spring (April-May) offers blooming wildflowers like bluebells and wild garlic, particularly in areas like Cladagh Glen. Summer provides warmer weather for exploring. Autumn brings beautiful colors to the forests. Always check local weather forecasts before your visit, as conditions can change.
Yes, several natural monuments offer excellent hiking opportunities. The area around Cuilcagh Mountain features a network of trails, though it's recommended to explore on foot. You can also find easy hikes like the Belmore Forest loop via Pollnagollum Cave, which takes you through scenic natural areas. For more detailed hiking routes, refer to the Easy hikes around Drumelly guide.
While the main highlights are well-documented, the broader region of Drumelly, with its diverse natural formations, often holds smaller, less-trafficked spots. Exploring the extensive forest landscapes, such as those around Cavan Burren Park Megalithic Stones or Cladagh Glen Waterfall, can lead to discovering tranquil corners and unique natural features off the main path.
The natural monuments around Drumelly are characterized by significant limestone formations. This is evident in the limestone gorges and caves found at Cladagh Glen Waterfall and the complex cave system of Pollnagollum Cave and Waterfall. The rock of Cuilcagh Mountain, for example, was formed over 300 million years ago from the remains of tiny sea creatures.


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