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United Kingdom
Northern Ireland
Fermanagh

Cleggan

Top 8 Natural Monuments around Cleggan

Natural monuments around Cleggan showcase a landscape rich in geological features and ancient history on the Aughrus Peninsula in Connemara, County Galway. The area features dramatic cliffs, unique tidal islands, and extensive blanket bogs. Visitors can explore sites that combine natural beauty with archaeological significance, providing insights into the region's past. This diverse environment offers a range of outdoor experiences.

Best natural monuments around Cleggan

  • The most popular natural monument is Cuilcagh Boardwalk Trail (Stairway to Heaven), a trailโ€ฆ

Last updated: May 18, 2026

Cuilcagh Boardwalk Trail (Stairway to Heaven)

Highlight (Segment) โ€ข Trail

Discover the Cuilcagh Legnabrocky trail and enjoy secluded, wide moors and barren rocky landscape. The goal is a historic burial mound from the Bronze Age. The trail is about 7.5 โ€ฆ

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Giant's Grave & Giant's Cave

Highlight โ€ข Historical Site

In the Burren Forest you can admire a few megalithic tombs, the so-called Giant's Graves. According to an Irish legend, two giants vied for a pretty giantess and jumped daringly โ€ฆ

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Cavan Burren Park Megalithic Stones

Highlight โ€ข Historical Site

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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Marble Arch Caves

Highlight โ€ข Historical Site

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 โ€ฆ

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Cladagh Glen Waterfall

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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 โ€ฆ

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Damiano ๐Ÿ‡ฎ๐Ÿ‡น
June 2, 2025, Cuilcagh Boardwalk Trail (Stairway to Heaven)

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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County viewing point

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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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Alex
January 23, 2023, Cladagh Glen Waterfall

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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Elvira
August 22, 2022, Marble Arch Caves

A very good guide in English.

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Strenuous but rewarding path on footbridges over the high moor. Pretty well known through insta, so sm best come first thing in the morning

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Frequently Asked Questions

What unique natural features can I explore around Cleggan?

The Cleggan area is rich in diverse natural features. You can explore the dramatic cliffs of Cleggan Head, offering panoramic views of the Atlantic and islands. Another unique feature is Omey Island, a tidal island accessible by foot or car during low tide across a 1km sand expanse. The landscape also features extensive blanket bog, a vital ecosystem supporting unique vegetation, and glacial drumlins known as Sheeauns (Fairy Mounds).

Are there any ancient historical or archaeological sites among the natural monuments?

Yes, the natural landscape around Cleggan is deeply intertwined with ancient history. On Omey Island, you'll find archaeological sites including the ruins of Teampall Fรฉichรญn, a 7th-century church. Near Sallerna Beach, the Knockbrack Megalithic Tomb (Druid's Altar) is a Neolithic burial chamber. Additionally, the Cleggan Court Tomb, a well-preserved Neolithic monument, is dramatically situated on a cliff edge overlooking Cleggan Bay.

What are some popular natural monuments that offer great views?

For breathtaking views, Cleggan Head is a must-visit, with its cliffs rising 500 feet above the ocean, providing vistas of the Atlantic coastline and surrounding islands. Another highly rated spot is the Cuilcagh Boardwalk Trail (Stairway to Heaven), which leads across impressive moorland to a summit plateau with wide views. The Cliff Edge of Cuilcagh Mountain also offers far-reaching views from one of Ireland's highest points.

Are there family-friendly natural monuments or activities in the Cleggan area?

Omey Island offers a unique family experience, as it's accessible on foot during low tide, making the journey across the sand a memorable adventure. The island also has beautiful sandy beaches. Sallerna Beach is another tranquil spot perfect for swimming and coastal walks with family. Exploring the ancient Giant's Grave & Giant's Cave can also be an engaging activity for families interested in local legends and history.

What kind of outdoor activities can I do near these natural monuments?

The Cleggan area provides various outdoor activities. You can find numerous hiking opportunities, including easy trails like those around Belmore Forest or the Marble Arch Caves. For cycling enthusiasts, there are routes like the Kingfisher Cycle Trail. Gravel biking is also popular, with options such as the 'From Blacklion to Dowra loop'. You can explore more options on the Cycling around Cleggan, Gravel biking around Cleggan, and Easy hikes around Cleggan guide pages.

What is the best time to visit the natural monuments around Cleggan?

The natural monuments around Cleggan can be enjoyed year-round, but the spring and summer months (April to September) generally offer milder weather, making coastal walks and island explorations more comfortable. In springtime, areas like Cladagh Glen are particularly beautiful with bluebells and wild garlic. However, the unique accessibility of Omey Island is dictated by tidal times, so always check the tide schedule regardless of the season.

Are there any natural monuments that are particularly good for wildlife spotting?

Cleggan Head is an excellent spot for wildlife. Its heather and bracken-clothed slopes are home to various insect species, moths, and butterflies. You might even spot peregrine falcons soaring above the cliffs. The blanket bog landscape also supports unique flora and fauna adapted to its acidic conditions, offering a distinctive natural environment for observation.

What are the geological highlights of the Cleggan area?

The Cleggan area showcases significant geological features. The dramatic cliffs of Cleggan Head are a prominent example of coastal erosion. The unique tidal access to Omey Island across a sand expanse highlights dynamic coastal processes. The extensive blanket bogs are a key natural feature, representing a distinct ecosystem. Additionally, the Sheeauns (Fairy Mounds) are glacial moraines or drumlins, sculpted by ancient ice movements.

Can I find any ancient stone-age monuments in the region?

Yes, the region is rich in ancient stone-age monuments. Beyond the Knockbrack Megalithic Tomb and Cleggan Court Tomb, you can also visit Cavan Burren Park Megalithic Stones. This ancient park features significant stone-age monuments and massive sacred stones within a unique geological and archaeological landscape. The Sheeauns (Fairy Mounds) are also scattered with Bronze Age monuments, including ancient stone alignments and standing stones.

What do visitors enjoy most about the natural monuments around Cleggan?

Visitors frequently appreciate the blend of natural beauty and historical significance. The dramatic coastal scenery, the unique experience of walking to Omey Island, and the ancient megalithic tombs are often highlighted. Many enjoy the well-laid wooden walkway of the Cuilcagh Boardwalk Trail, which offers stunning views over the moorland. The area's rich history, integrated into the natural environment, provides a compelling experience.

Are there any waterfalls or gorges to explore?

Yes, the Cladagh Glen Waterfall is a notable natural monument. Cladagh Glen features a steep-sided gorge lined by ancient ash trees, with a spectacular arch over the river formed by a collapsed cave roof. The reserve is known for its limestone gorge, mystical caves, and beautiful waterfalls, offering a serene environment for exploration.

Are the natural monuments around Cleggan accessible by public transport?

While Cleggan village itself has some public transport connections, many of the natural monuments are located in more rural settings and may require a car or a combination of public transport and walking to reach. For specific routes and accessibility to individual sites, it's advisable to check local transport schedules and plan accordingly. Omey Island, for instance, requires timing your visit with low tide.

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

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