Natural monuments around Gorteen offer diverse natural attractions within County Sligo and its surroundings. The region features a landscape shaped by ancient geological processes, including limestone formations, mountains, and lakes. These areas provide opportunities to explore significant natural and archaeological sites. Visitors can discover a variety of outdoor experiences, from ancient caves to scenic mountain trails.
Last updated: June 29, 2026
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The Cuilcagh Boardwalk Trail, affectionately known as the "Stairway to Heaven," offers a challenging yet rewarding hike through one of Northern Ireland's most stunning landscapes. Spanning approximately 11 km round-trip, the trail meanders through expansive blanket bogs before culminating in a steep ascent of 450 wooden steps to a viewing platform atop Cuilcagh Mountain. Hikers are treated to breathtaking panoramic views of the surrounding lowlands, including glimpses of counties Cavan, Leitrim, and Donegal on clear days. While the boardwalk was constructed to protect the delicate bog ecosystem, it has also made the trail more accessible, attracting over 60,000 visitors annually.
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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 region around Gorteen, particularly County Sligo, is rich in geological wonders. You can explore the ancient limestone formations of the Caves of Keshcorran, which feature glacial boulder-beds and abundant quartz crystals. Another significant site is Cavan Burren Park Megalithic Stones, offering a unique geological and archaeological forest landscape with massive mythological sacred stones.
Yes, several natural monuments in the area hold deep historical and archaeological significance. Knocknarea Mountain is crowned by Queen Maeve's Cairn, a massive Neolithic passage tomb. The Caves of Keshcorran have revealed evidence of human habitation dating back to the Neolithic period and are steeped in Irish mythology. Additionally, Giant's Grave & Giant's Cave features megalithic tombs associated with ancient Irish legends.
For families, exploring the natural beauty of Lough Gill offers picturesque lake shores and woodlands, perfect for gentle walks and birdwatching. Strandhill Beach provides vast sandy shores and dunes for relaxing strolls and observing wildlife like Atlantic grey seals. The Cladagh Glen Waterfall area is also a beautiful nature reserve with mystical caves and waterfalls, ideal for a family outing.
The region offers a variety of outdoor activities. You can find numerous hiking trails, including routes like the Belmore Forest loop via Pollnagollum Cave or the challenging Cuilcagh Mountain Park loop. For cyclists, there are road cycling routes such as the Bundoran to Lower Lough Erne loop. Running enthusiasts can explore running trails like the Cuilcagh Mountain Park running loop.
Absolutely. The summit of Knocknarea Mountain offers breathtaking panoramic views of the surrounding countryside, Sligo Bay, and the Atlantic Ocean. The Cuilcagh Boardwalk Trail (Stairway to Heaven) leads to a summit plateau at 665 meters, providing extensive views over wide moors and barren rocky landscapes. The Cliff Edge of Cuilcagh Mountain also offers far-reaching views from one of Ireland's highest points.
The best time to visit largely depends on your preferred activities. Spring (April-May) brings wildflowers, like bluebells in Cladagh Glen, and milder weather for hiking. Summer (June-August) is ideal for longer days and exploring beaches like Strandhill, though popular sites can be busier. Autumn (September-October) offers beautiful foliage, especially around Lough Gill, and comfortable temperatures for walking. Winters can be wet and windy, but offer dramatic, quiet landscapes for those prepared for the weather.
Strandhill Beach is a renowned destination for surfers, attracting all skill levels with its impressive and consistent waves. Beyond surfing, Lough Gill is a picturesque freshwater lake that offers opportunities for serene boat trips and is popular with birdwatchers.
When visiting in autumn, it's advisable to dress in layers. Waterproof and windproof outer layers are essential, as the weather can be unpredictable. Sturdy, waterproof hiking boots are recommended for trails, especially those that can be muddy or uneven. A hat, gloves, and warm socks will also enhance your comfort.
While not exactly 'hidden,' the Caves of Keshcorran offer a unique blend of geology, archaeology, and mythology that might be less frequented than more prominent sites. The steep climb to reach them rewards visitors with dramatic views and a rich sense of history, making it a truly rewarding experience.
Visitors frequently appreciate the stunning panoramic views from sites like Cuilcagh Boardwalk Trail and Knocknarea Mountain. The rich historical and mythological context of places like the Giant's Grave & Giant's Cave and the ancient Cavan Burren Park Megalithic Stones also captivates many. The diverse landscapes, from the serene Lough Gill to the wild Strandhill Beach, offer something for every nature lover.
Lough Gill is an excellent location for birdwatchers, with its diverse habitats supporting a variety of bird species. The lake system is a protected site, and its shores, adorned with old oak woodlands, provide a rich environment for observing local and migratory birds. Strandhill Beach and its dunes are also home to an abundance of wild birds.


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