Best natural monuments around Lisnacree showcase the region's diverse natural landscape, featuring ancient geological formations, prominent mountain peaks, and tranquil reservoirs. The area is characterized by the Mourne Mountains and the Cooley Peninsula, offering varied terrain for exploration. These natural features contribute to the region's distinct character and provide opportunities for outdoor activities. Lisnacree and its surroundings present a range of natural monuments for visitors to discover.
Last updated: June 30, 2026
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Silent Valley Reservoir, nestled in the Mourne Mountains, is a peaceful retreat surrounded by sweeping granite peaks and heathered slopes. Built in the early 20th century to supply water to Belfast and much of County Down, the reservoir combines striking engineering with natural beauty. Visitors can stroll along well-kept paths, admire the Victorian-style dam and impressive Mourne Wall, or simply enjoy the quiet atmosphere by the lakeshore.
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The well-maintained trails take you through impressive scenery, surrounded by the striking peaks of the Mournes. The view of the Mourne Wall, which stretches for 35 kilometers and connects 15 peaks, is particularly impressive. However, some sections can become slippery in wet weather, so caution is advised. A highlight is a visit to Ben Crom Reservoir, which can be reached via an extension of the route. Note that there is a fee to enter the park.
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The hike to the Cloghmór Stone feels like a journey through time. Over 10,000 years ago, the ice brought this massive granite block from Scotland here, and now, weighing an estimated 50 tons, it towers majestically over the landscape. But it's not just the geology that's fascinating - according to legend, it was the giant Finn McCool who threw this enormous stone over Carlingford Lough. To be honest, the legend is a much more exciting explanation, isn't it? Once you've reached the top, you'll not only be greeted by the imposing boulder, but also by a fantastic view of Carlingford Lough and the surrounding hills. It's the perfect place to pause for a moment, take in the vastness and enjoy the peace that this place exudes.
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Here it is worth climbing the mountain
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Wikipedia (Slieve Foy (Irish: Sliabh Feá), 2023-12-02): https://en.m.wikipedia.org/wiki/Slieve_Foy Wikipedia (Lists of mountains in Ireland, 2023-12-02): https://en.m.wikipedia.org/wiki/Lists_of_mountains_in_Ireland MountainViews.ie (Slieve Foye, 2023-12-02): https://mountainviews.ie/summit/298/ TheIrishRoadtrip (“A Guide To The Slieve Foye Loop: Trail, Parking + Handy Info”, 2023-12-02): https://www.theirishroadtrip.com/slieve-foye-loop/
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Wikipedia (Cooley Mountains, 2024-07-28): https://en.m.wikipedia.org/wiki/Cooley_Mountains "... Barnavave (350m). This latter name comes from Bearna Mhéabha (Maeve's Gap), and refers to the legendary Queen Medb (Maeve), whose army is said to have dug a pass through the mountain. ..."
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A beautiful round stone, there is a legend about it but unfortunately we could not find out
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A beautiful secluded clearing in the Oak forest. The message on the bench is pretty apt for any trail runners who have slogged up the hill!
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The region around Lisnacree boasts several remarkable natural monuments. Among the most popular are the Cloughmore Stone, a massive granite erratic with panoramic views, the tranquil Silent Valley Reservoir nestled in the Mourne Mountains, and the commanding Slieve Foye Summit, offering expansive vistas over Carlingford Lough.
You'll encounter a diverse range of natural features, including ancient geological formations like the Cloughmore Stone, prominent mountain peaks such as Slieve Foye Summit and Barnavave Summit, and serene bodies of water like the Silent Valley Reservoir. The area also features beautiful forests and viewpoints.
The Cloughmore Stone is a massive granite erratic, estimated to weigh 50 tons. Geologists believe it was transported from Scotland over 10,000 years ago during the last ice age. Local legend, however, attributes its placement to the mythical giant Finn McCool, who is said to have thrown it across Carlingford Lough. It offers breathtaking panoramic views of Carlingford Lough and the Mourne Mountains.
The Silent Valley Reservoir is renowned for its exceptional beauty and tranquility, nestled in the heart of the Mourne Mountains. It provides a peaceful setting for walks, surrounded by majestic peaks like Slieve Binnian and Slieve Muck. Visitors can enjoy well-kept paths and the quiet atmosphere by the lakeshore, making it one of the most serene spots in County Down.
Yes, several natural monuments are suitable for families. The Silent Valley Reservoir offers easy walks in a peaceful setting. Fiddlers Green, a beautiful clearing in Kilbroney Park, is also considered family-friendly and a great spot for a picnic.
Many natural monuments and their surrounding trails are dog-friendly. For example, Fiddlers Green in Kilbroney Park has amenities like dog poop bins, indicating a welcoming environment for pets. Always ensure dogs are kept on a leash and any waste is properly disposed of.
The area around Lisnacree offers a variety of outdoor activities. You can find numerous hiking trails, including easy loops like the Cloughmore Stone – View of Carlingford Lough loop, or more challenging routes like the Eagle Mountain loop. There are also extensive options for gravel biking and cycling, such as the Carlingford Lough Greenway.
The natural monuments in the Mourne Mountains area can be enjoyed year-round. Spring and autumn offer pleasant temperatures and vibrant scenery, ideal for hiking and exploring. Summer provides longer daylight hours, while winter can offer a dramatic, peaceful landscape, especially around the Silent Valley Reservoir, though higher summits may require more preparation due to weather conditions.
Public transport options, primarily Translink bus routes, serve towns like Rostrevor and Kilkeel, which are gateways to several natural monuments. From these towns, you may need to walk or arrange further transport to reach specific sites like Kilbroney Park (near Fiddlers Green and Cloughmore Stone) or the Silent Valley area. It's advisable to check current Translink schedules for specific routes.
While not entirely hidden, Fiddlers Green is a beautiful and fairly secluded spot on the east side of Kilbroney Park. It offers a peaceful clearing within the oak forest, perfect for a quiet break during a hike or bike ride, and is known for its serene atmosphere.
Slieve Foye Summit, also known as Carlingford Mountain, is the highest point on the Cooley Peninsula. Its popularity stems from the exceptional opportunities it provides for hiking and the expansive views it offers over Carlingford Lough and the charming village of Carlingford. It's a defining feature of the local landscape and a rewarding challenge for walkers.
Visitors frequently praise the stunning panoramic views, especially from sites like the Cloughmore Stone and Slieve Foye Summit. The tranquility and peaceful atmosphere of places like the Silent Valley Reservoir are also highly appreciated. Many enjoy the geological interest of the ancient formations and the opportunities for outdoor activities like hiking and cycling.


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