Top 6 Natural Monuments around Keenaghan
Best natural monuments around Keenaghan are found in a region characterized by its diverse natural beauty and geological formations. The area features expansive blanket bogs, ancient woodlands, and dramatic limestone gorges. These natural features contribute to a landscape that offers varied outdoor exploration opportunities.
Best natural monuments around Keenaghan
- The most popular natural monuments is Cuilcagh Boardwalk Trail (Stairway to Heaven), a trail that leads across impressive moorland to a historic Bronze Age burial mound. This trail offers a challenging yet rewarding hike through expansive blanket bogs, culminating in a viewing platform atop Cuilcagh Mountain.
- Another must-see spot is Cuilcagh Mountain Summit, a summit offering panoramic views. Visitors can expect a strenuous but rewarding path, with the view from the summit considered a significant reward for the effort.
- Visitors also love Cladagh Glen Waterfall, a forest known for its limestone gorge, mystical caves, and beautiful waterfalls. This nature reserve features a steep-sided gorge lined by ancient ash trees and a river valley with a spectacular arch formed from a collapsed cave roof.
- Keenaghan is known for its trails, waterfalls, and summits. The area offers a variety of natural monuments to see and explore, from challenging mountain ascents to tranquil forest walks.
- The natural monuments around Keenaghan are appreciated by the komoot community, with more than 25 upvotes and over 50 photos shared by visitors.
Last updated: August 9, 2026
Cuilcagh Boardwalk Trail (Stairway to Heaven)
Highlight (Segment) • Trail
Follow a wooden walkway that leads across the impressive moorland and up to the summit plateau. From the end of the boardwalk, it's about two kilometers to the tomb.
From the summit you either hike on the Ulster Way towards Gortalughany or turn around.
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Cuilcagh Mountain Summit Cairn
Highlight • Summit
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Marble Arch Caves
Highlight • Historical Site
The caves are only explorable by guided tours which run daily between 10am - 5pm. To secure a spot, visit marblearchcaves.co.uk/online-booking-guided-cave-tour
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Cladagh Glen Waterfall
Highlight • Forest
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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Cliff Edge of Cuilcagh Mountain
Highlight • Natural Monument
Towering at 2,188 feet (665 m), the mountain is one of the highest points of Ireland. The limestone rock was formed over 300 million years ago from the remains of tiny sea creatures when what is now Ireland would have been covered by a shallow tropical sea.
You can explore the area on a network of trails, but it's best to park your bike and go on foot. With historic ruins dating back to the 19th century, diverse flora and fauna, and far-reaching views, there's a lot to discover here.
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Tips from the Community
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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Great walk, very touristy but it's worth the detour! Be careful of the crowds (on weekends and in summer I dare not imagine!). However, BE CAREFUL, the summit is not accessible, you have to pass the protective barriers which allow the wild nature to be preserved from our steps and from this crowd of people. If we, the Komoot community, start to do this all the tourists will allow themselves and the landscape will never be so beautiful again! (Ps: no need to climb to the top to already see enough in the eyes!)
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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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Cuilcagh Mountain sits right on the border between Ireland and Northern Ireland. From the top, you can enjoy magnificent views across the rolling hills of Ireland in all directions.
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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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Frequently Asked Questions
What unique natural features can I explore around Keenaghan?
The Keenaghan area is rich in diverse natural features. You can explore the dramatic limestone gorge, mystical caves, and waterfalls at Cladagh Glen Waterfall. The region also features expansive blanket bogs and the impressive geological formations of Cuilcagh Mountain, including its summit and cliff edges.
Are there challenging hiking trails for experienced walkers?
Yes, for a challenging and rewarding experience, the Cuilcagh Boardwalk Trail (Stairway to Heaven) is highly recommended. This approximately 11 km round-trip trail leads through expansive blanket bogs and includes a steep ascent via 450 wooden steps to a viewing platform atop Cuilcagh Mountain. The path to the Cuilcagh Mountain Summit is strenuous but offers fantastic panoramic views.
What is the best time of year to visit Cladagh Glen Waterfall?
The Cladagh Glen Waterfall is particularly vibrant in the springtime, when the valley floor is carpeted with bluebells, wood anemones, and wild garlic. During the summer, you might spot silver-washed fritillaries, and the ancient ash woods offer beautiful scenery year-round.
Can I see wildlife at the natural monuments near Keenaghan?
Yes, the Cladagh Glen Waterfall reserve is a rich habitat where fortunate visitors might spot elusive pine martens and red squirrels. The Cuilcagh Mountain Park also boasts diverse flora and fauna within its bogland habitats.
Are there any easy walking trails suitable for families?
While the Cuilcagh Boardwalk Trail can be challenging, there are easier options in the wider Keenaghan area. For instance, the 'Marble Arch Caves via Cladagh River' is an easy hike of about 3.4 km. You can find more easy hikes in the area by exploring the Easy hikes around Keenaghan guide.
What kind of views can I expect from Cuilcagh Mountain?
From the viewing platform atop Cuilcagh Mountain, accessible via the Cuilcagh Boardwalk Trail, you are treated to breathtaking panoramic views of the surrounding lowlands. On clear days, you can even glimpse parts of counties Cavan, Leitrim, and Donegal.
Are there any historical sites integrated with the natural monuments?
Yes, the Cuilcagh Boardwalk Trail leads to a historic Bronze Age burial mound, adding an archaeological dimension to the natural wonder. Additionally, the Cuilcagh Mountain Park, which includes the Cliff Edge of Cuilcagh Mountain, contains historic ruins dating back to the 19th century.
What other outdoor activities are available near Keenaghan's natural monuments?
Beyond hiking, the Keenaghan area offers various outdoor activities. You can find several road cycling routes, such as the 'Lough Adorn – Drumlonan lough loop', or explore running trails like the 'Florence Court Red Trail'. For more details, check out the Road Cycling Routes around Keenaghan and Running Trails around Keenaghan guides.
What makes the Cascades Waterfall unique?
The Cascades Waterfall is a beautiful multi-tiered waterfall situated along the Cuilcagh Way, at the foothills of Cuilcagh Mountain. It's a delightful sight as you wind through a forest rich with lichen, ferns, and seasonal wild bluebells.
What is the geological significance of Cuilcagh Mountain?
Cuilcagh Mountain, including its Cliff Edge, is significant for its limestone rock, which was formed over 300 million years ago from the remains of tiny sea creatures when Ireland was covered by a shallow tropical sea. The Cuilcagh Mountain Park actively works to conserve its unique bogland habitats and restore damaged peatland.
How long does it take to complete the Cuilcagh Boardwalk Trail?
The Cuilcagh Boardwalk Trail is approximately an 11 km round-trip journey. While completion time varies by individual fitness, it's generally considered a half-day to full-day activity due to its length and the steep ascent.
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