Best natural monuments around Legnagay Beg showcase a landscape rich in geological wonders and unique ecosystems. This region features ancient historical sites integrated into its natural environment, offering a blend of natural beauty and intriguing geological formations. The area provides opportunities for exploring diverse natural features.
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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"continual slur on Irish caving" It's actually only a few hundred metres is accessible and it's total length is thought to be 2km. No where near the longest cave in Ireland. Consider a trip in only if well equipped with a good light and helmet. Alternatively/also consider visiting McKenzies back lounge just down the road. A much drier watering hole. ;)
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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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Pollnagollum Cave (meaning Hole of the Dove) is the longest cave system in Ireland. The cave system is complex and fascinating and is fed by a tumbling waterfall that topples off a limestone cliff. Watch your stepping here as rocks can be unstable and slippery, and don't forget your camera for some awesome shots.
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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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Legnagay Beg offers a diverse range of natural monuments, including impressive cave systems like Pollnagollum Cave and Waterfall, dramatic waterfalls such as Cladagh Glen Waterfall and Cascades Waterfall, and ancient geological and archaeological landscapes like Cavan Burren Park Megalithic Stones and Giant's Grave & Giant's Cave.
Yes, the region is rich in sites with historical and mythological ties. Giant's Grave & Giant's Cave in the Burren Forest features megalithic tombs linked to Irish legends of giants. Similarly, Cavan Burren Park Megalithic Stones showcases massive Stone-Age megalithic stones integrated into a unique geological and archaeological forest landscape.
The natural monuments around Legnagay Beg are excellent starting points for various outdoor activities. You can find numerous hiking trails, including easy options like the Belmore Forest loop via Pollnagollum Cave, or more challenging routes. Mountain biking is also popular, with trails like the Lower Lough Mcnean loop. For more details on routes, explore the hiking guide or the MTB trails guide for Legnagay Beg.
Many natural monuments in the area can be enjoyed by families. While some sites like Pollnagollum Cave and Waterfall require careful footing due to slippery rocks, others like Cladagh Glen Waterfall offer beautiful, accessible walks through ancient forests. Always check specific trail conditions and difficulty levels before visiting with children.
The natural monuments are home to diverse flora and fauna. At Cladagh Glen Waterfall, for instance, you can find carpets of bluebells, wood anemones, and wild garlic in spring, and silver-washed fritillaries in summer. Keep an eye out for elusive pine martens and red squirrels. The forests around Cascades Waterfall are also rich in lichen, ferns, and seasonal bluebells.
Spring and summer are particularly rewarding for visiting the natural monuments around Legnagay Beg. In spring, the valley floors, especially at Cladagh Glen Waterfall, are vibrant with bluebells and wild garlic. Summer offers lush greenery and opportunities to spot butterflies. However, the dramatic landscapes and waterfalls are beautiful year-round, with autumn bringing spectacular colors.
Yes, the region is known for its cave systems. Pollnagollum Cave and Waterfall features a complex cave system fed by a tumbling waterfall. While parts are accessible, visitors should be cautious of slippery rocks. Cladagh Glen Waterfall also has mystical caves within its limestone gorge.
Visitors frequently appreciate the blend of natural beauty and historical intrigue. The dramatic scenery of waterfalls and gorges, the ancient megalithic stones, and the rich local legends are often highlighted. The opportunity for exploration and hiking through unique geological and archaeological landscapes also receives high praise from the komoot community.
Yes, several natural monuments are accessible via easy hiking trails. For example, the Belmore Forest loop, which includes Pollnagollum Cave, is rated as an easy hike. The Marble Arch Caves via Cladagh River is another easy option. You can find more easy routes in the Easy hikes around Legnagay Beg guide.
The duration of your visit depends on the specific monument and your activity. For sites like Cavan Burren Park Megalithic Stones or Cladagh Glen Waterfall, you might spend anywhere from 1 to 3 hours exploring the trails and features. If you plan to combine multiple sites or undertake longer hikes, allocate a full day.
Yes, several natural monuments offer stunning viewpoints. Cavan Burren Park Megalithic Stones includes a county viewing point. Additionally, the trails leading to and around waterfalls like Cascades Waterfall often provide picturesque views of the surrounding forests and landscapes.


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