Best lakes around Mourne Mountains East are nestled within a region characterized by sweeping granite peaks and heathered slopes. This area features a variety of lakes, including engineered reservoirs and natural mountain loughs, many of which are enclosed by the historic Mourne Wall. The landscape offers tranquil scenery and opportunities for outdoor activities. It serves as a primary water source for parts of Northern Ireland while providing natural attractions.
Last updated: May 3, 2026
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Slieve Loughshannagh is one of the quieter summits in the Mourne Mountains, but it rewards hikers with wide, open views over Silent Valley, Slieve Binnian, and the western Mournes. The climb isn’t too demanding, and the summit has a peaceful, windswept feel, making it a lovely spot to pause and take in the rugged beauty of the landscape.
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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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A very beautiful castle in the forest
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At 617m high, Slieve Loughshannagh isn't the highest in the Mournes but it does offer fantastic views down over the lough and deeper into the Mournes.
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The Blue Lough is a picturesque mountain lake embedded in a wide trough valley in the southern Mournes. It's the perfect place, to pause, catch your breath, and enjoy the impressive nature.
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The region is characterized by sweeping granite peaks and heathered slopes. You can find impressive engineering marvels like the Victorian-style dam at Silent Valley Reservoir, alongside sections of the historic Mourne Wall. Natural mountain loughs like Blue Lough are nestled in wide trough valleys, and Lough Shannagh even features a small gravel beach.
Yes, several areas are suitable for families. Silent Valley Reservoir offers well-maintained paths for strolls. Within the Silent Valley area, the Silent Valley Duck Pond is a peaceful spot with picnic benches and a kids' play park. Lough Shannagh also offers a rewarding climb towards Doan mountain that families can enjoy.
The lakes are excellent starting points for various outdoor activities. You can enjoy hiking, with routes like 'Ott Track to Doan Mountain' or 'Slieve Loughshannagh, Meelbeg and Meelmore loop'. Cycling is also popular, with options such as the 'Spelga Reservoir loop from Newcastle – Mourne' for road cycling or 'Carrick Little to Tullymore Forest loop' for touring. For more details on routes, you can explore the hiking guide or cycling guide for the region.
Lough Shannagh, known as the 'Lake of the Foxes,' is a picturesque mountain lake with soft, peaty waters, making it a popular spot for wild swimming. It also has a small gravel beach at its south end.
The Silent Valley Reservoir is a significant historical site, constructed in the early 20th century as a primary water source. It features a Victorian-style dam and sections of the impressive Mourne Wall, a 35-kilometer-long dry-stone wall that encloses the catchment basin for the Silent Valley and Ben Crom reservoirs. Additionally, you can find Castlewellan Castle, built in the mid-1800s, overlooking a lake within Castlewellan Forest Park.
Yes, the Silent Valley Reservoir offers well-maintained paths, including the Viewpoint Loop and the Reservoir Loop, which are suitable for easy strolls. The Silent Valley Duck Pond also provides a lovely, gentle walk.
The Mourne Mountains East region, including its lakes, offers beauty year-round. Spring and summer provide pleasant weather for walking and outdoor activities, with vibrant flora. Autumn brings stunning colors to the landscape. While winter can be colder, it offers a tranquil atmosphere, though some trails might require more preparation due to conditions.
Parking is available at key access points. For instance, Silent Valley Reservoir has dedicated parking facilities for visitors. It's always advisable to check specific access points for other loughs like Lough Shannagh or Blue Lough, as parking might be more limited or require roadside stops.
Blue Lough is a picturesque mountain lake embedded in a wide trough valley within the Mournes. It's highly regarded as an ideal place to pause, catch your breath, and appreciate the impressive natural surroundings and quiet atmosphere.
This highlight refers to a small gravel beach at the south end of Lough Shannagh. It's a delightful and unexpected find high in the mountains, perfect for relaxing or enjoying a picnic before continuing your hike to higher ground, such as Slieve Doan.
The Silent Valley Reservoir area features an information center and an education center, which often include visitor facilities. For cafes and other amenities, you would typically find them in nearby towns and villages surrounding the Mourne Mountains East region.
Ben Crom Reservoir is accessible via an extension of the route from Silent Valley and offers impressive scenery. It is also part of the catchment basin enclosed by the Mourne Wall. Panoramic views over Ben Crom Reservoir can be enjoyed from the summit of Slieve Lamagan, making it a rewarding destination for hikers seeking dramatic mountain settings.


Still not found your perfect lake around Mourne Mountains East? Check out the guides of these regions to see even more beautiful places.