Best lakes around Murlough Upper are found in the surrounding region, as Murlough Upper itself is primarily a coastal area known for the Murlough National Nature Reserve. This reserve features an ancient sand dune system, diverse habitats, and the Irish Sea coastline along Dundrum Bay. The area is recognized for its biodiversity, including various plant and animal species, and offers opportunities for walking and experiencing the natural beauty of County Down.
Last updated: May 1, 2026
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A very beautiful castle in the forest
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See if you can find your way to the peace bell in the centre of the maze. Castlewellan Peace Maze, is one of the world's largest permanent hedge mazes representing the puzzle that was to become a peaceful future for Northern Ireland. To encourage a sense of common ownership, the maze was planted by people from all over Northern Ireland, plus nearly 4,000 school children. Planted in 2000
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Home to one of the most outstanding tree and shrub collections in Europe. However this beaut has numerous features to spend your time in. There's famous lakes, a stunning Victorian Castle, incredible panoramic views, scenic walking trails, 27km of Mountain Bike Trails, an onsite multi activity centre, hedge maze and equestrian centre, Castlewellan Forest Park boasts all of this and more. A real gem
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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 Castle Park boating pond is a pretty little oasis in the heart of the charming seaside town of Newcastle. It features a number of swan boats that you can pedal around the lake on for a small fee.
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This extraordinary castle sits in Castlewellan Forest Park and has a grand view over the lake. From the walking and cycle trail around the lakeside, you can enjoy the fantastic vantage point and admire the castle's turrets. Built in the mid 1800s, the castle was owned by the Annesley family. Its grounds contain a phenomenal arboretum which has been considerably extended and includes giant sequoias. The building is now a Christian conference centre and isn't open to the public. It's well worth seeing from the outside though, and the lawns around the lake are a perfect place for a picnic.
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Lovely looking castle surrounded by a lake and lots of trails for walking and cycling. Unfortunately, the castle is not open to the public and swimming is not allowed in the lake (fishing and boats are fine).
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Murlough Upper is primarily a coastal area, renowned for the Murlough National Nature Reserve and its extensive sand dune system along Dundrum Bay. There are no notable natural lakes directly within Murlough Upper itself. The lakes mentioned in this guide are located in the surrounding region.
The lakes in the surrounding region offer a variety of walking trails. For instance, Castlewellan Castle and Castlewellan Forest Park Lake and Scenic View are part of Castlewellan Forest Park, which features numerous scenic walking trails. The Murlough National Nature Reserve, though not a lake area, also provides a network of paths and boardwalks for coastal walks and birdwatching.
Yes, several lakes offer family-friendly activities. Castlewellan Castle and Castlewellan Forest Park Lake and Scenic View are located within Castlewellan Forest Park, which is known for its family appeal, including walking trails and an arboretum. The Castle Park Boating Pond in Newcastle offers swan boat rentals, which is a popular family activity.
Many outdoor areas in the region are dog-friendly, provided dogs are kept under control, often on a lead. For example, Castlewellan Peace Maze and Castlewellan Forest Park Lake and Scenic View are noted as dog-friendly. Always check specific signage at each location for any restrictions, especially around wildlife or livestock.
Around the lakes, you can expect diverse natural beauty. Blue Lough is a picturesque mountain lake embedded in a wide trough valley, offering impressive natural surroundings. Castlewellan Forest Park Lake and Scenic View features a significant arboretum with rare trees, a Victorian castle, and panoramic views. The wider Murlough Upper area is known for its sand dune system, coastal views of Dundrum Bay, and rich biodiversity.
Yes, the area around the lakes offers excellent opportunities for cycling and mountain biking. Castlewellan Forest Park, home to Castlewellan Forest Park Lake and Scenic View, boasts 27km of dedicated mountain bike trails. You can find more details on routes like 'View of Castlewellan Castle – Castlewellan Lake loop' in the Gravel biking around Murlough Upper guide.
The most prominent historical site near the lakes is Castlewellan Castle, an ornate Scottish baronial castle built in 1858. While not open for general admission, its exterior and the surrounding arboretum are well worth seeing. The castle is situated within Castlewellan Forest Park, overlooking a lake.
The lakes and surrounding areas can be enjoyed year-round. Spring and summer offer pleasant weather for walking and outdoor activities, with the arboretum at Castlewellan Forest Park particularly vibrant. Autumn brings beautiful foliage, and winter can offer crisp, quiet walks, though some facilities or trail conditions might vary. The Murlough National Nature Reserve is internationally significant for wintering wildfowl and waders, making it a great spot for birdwatching during colder months.
While some lakes are popular for scenic views and boating, swimming is generally not permitted in many of them, such as the lake at Castlewellan Forest Park. For information on wild swimming in the wider area, you might find resources like the 'Calling all adventure swimmers' blog helpful, which discusses swimming spots in the Mourne, Gullion, and Strangford regions. Always check local regulations and safety guidelines before entering any water body.
Yes, there are several running trails in the vicinity of the lakes and the wider Murlough Upper area. Castlewellan Forest Park offers trails suitable for running. For more options, you can explore routes like 'Newcastle Way and Tollymore Forest Drinns Trail' in the Running Trails around Murlough Upper guide.
The Murlough National Nature Reserve is special for its ancient 6,000-year-old sand dune system, which is one of the best and most extensive examples of dune heath in Ireland. It's a haven for biodiversity, home to over 620 species of butterflies and moths, including the Marsh Fritillary, and is internationally significant for wintering wildfowl and waders. The reserve also offers stunning coastal views of Dundrum Bay and the Mourne Mountains.
Yes, boating is available at some locations. The Castle Park Boating Pond in Newcastle specifically offers swan boats for rent. While the lake at Castlewellan Forest Park allows fishing and boats, general public swimming is not permitted.
Visitors particularly enjoy the serene natural beauty and the variety of outdoor activities. The impressive nature of mountain lakes like Blue Lough offers a place to pause and enjoy the surroundings. The extensive trails, scenic views, and family-friendly options at places like Castlewellan Forest Park are also highly appreciated. The unique coastal landscape and biodiversity of the Murlough National Nature Reserve are also major draws.


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