Best mountain peaks around Milltown offer diverse landscapes for outdoor exploration. This region features a variety of summits and climbs, providing opportunities for both challenging ascents and family-friendly walks. The area is characterized by its mountainous terrain, with peaks offering expansive views of the surrounding countryside and the Irish Sea. Visitors can experience different types of trails, from steep climbs to more gradual paths, all within the Milltown vicinity.
Last updated: June 29, 2026
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Standing at 472m from sea level Slievemeen offers incredible views down over the village of Killowen and over Carlingford Lough. The new path is great for running/hiking along the top.
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At the highest point of the Black Mountain you are greeted by spectacular views of the surrounding landscape and the Irish Sea.
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Not the biggest in the mournes at only 472m but well worth the climb as the views from Slievemeen are incredible! A great walk for kids as it's relatively close to the car park and has a nice summit to take a picnic on.
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One of the best viewpoints over Rostrevor village and Carlingford Lough
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Slievemartin stands at 485m and is situated in the Kilbroney Forest Park, in the southern Mournes mountain range of Northern Ireland. It's a truly magical place and a popular spot for hikers, so magical that it was the inspirarion for C.S. Lewis’s wonderful world of Narnia! From the top of the peak, you can enjoy vast views over the stunning Rostrevor Forest and glacial fjord of Carlingford Lough.
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At 485m above the village of Rostrevor this is the highest point of Slieve Martin. From here you can see Rostrevor, Warrenpoint and across to Carlingford and O'Meath in the South. Cairns in ancient times functioned as landmarks to aid navigation, long before GPS. An early version of komoot! The climb up here is steep but the views are incredible so take a camera. Even if it's calm at the lower levels, the wind can be really strong up at the cairn so be prepared for that.
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Wikipedia (Clermont Carn (Irish: Carnán Mhaighréid Náir), 2022-11-03): https://en.m.wikipedia.org/wiki/Clermont_Carn Wikipedia (Clermont Carn transmission site, 2022-11-03): https://en.m.wikipedia.org/wiki/Clermont_Carn_transmission_site Wikipedia (Cooley Mountains, 2022-11-03): https://en.m.wikipedia.org/wiki/Cooley_Mountains MountainViews.ie (Clermont Carn, 2022-11-03): https://mountainviews.ie/summit/434/ - Viewpoint (Carlingford Lough, Dundalk, …) - Transmission site (2RN (RTÉ Networks), Saorview, …) - Neolithic burial cairn
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The climb up the north side of Black Mountain challenges you right from the start - the first half kilometre feels like a wall before it levels out a bit. But don't be fooled, there's a final kick just before the summit that will make your legs feel what they've done. Once at the top, you'll be rewarded with impressive views of the surrounding countryside that will make you feel like you're standing on top of the world. The route itself runs right along the border between Ireland and Northern Ireland, which creates a special atmosphere. Keep warm in changing weather and be prepared for sudden showers - the wind can pick up quickly up here. The descent requires some caution, as some parts are steep and the tarmac isn't always perfect. But that's what makes it so appealing - an adventure worth it and an experience to remember.
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The most popular mountain peak is Clermont Carn Summit and Transmission Site, known for its views of Carlingford Lough and Dundalk, and its historical Neolithic burial cairn. Another highly-rated spot is Slievemeen Summit, offering incredible views from its 472-meter peak, ideal for a family picnic.
Yes, Slievemeen Summit is considered family-friendly. It's a 472-meter peak with a trail that's relatively close to a car park, making it accessible for families looking for a walk with rewarding views and a good spot for a picnic.
Clermont Carn Summit and Transmission Site provides spectacular views of Carlingford Lough and Dundalk. Similarly, Slievemeen Summit offers incredible panoramic views, and the challenging climb up Black Mountain North Side rewards hikers with impressive vistas of the surrounding countryside.
For a challenging experience, consider the Black Mountain North Side. This climb features a very steep initial section for the first 0.7km, followed by a leveling off, and then a final kick before reaching the summit. Hikers should be prepared for changing weather conditions and a potentially tricky descent.
Clermont Carn Summit and Transmission Site is not only a peak but also a historical site featuring a Neolithic burial cairn. It also hosts a transmission site, adding a modern element to its historical significance.
Beyond peak bagging, the Milltown area offers a variety of outdoor activities. You can find numerous hiking trails, explore road cycling routes, or enjoy running trails. These guides provide options for different skill levels and distances.
Yes, there are several hiking trails. For instance, the Hiking around Milltown guide includes routes like the 'Clermont & Clontygora loop from Flagstaff — Ring of Gullion' and the 'Fathom Wood loop — Ring of Gullion', offering diverse experiences from moderate to easy.
Visitors particularly enjoy the incredible views from summits like Slievemeen Summit and the challenging yet rewarding ascents of peaks like Black Mountain North Side. The combination of natural beauty, historical elements like the Neolithic burial cairn at Clermont Carn, and diverse trails makes the area appealing.
The terrain varies. Some trails, like the initial section of Black Mountain North Side, are very steep and challenging. Others, such as the trail to Slievemeen Summit, are more gradual and suitable for families. Expect a mix of steep climbs, leveled sections, and potentially tricky descents, especially in changing weather.
Yes, from the highest point of the Black Mountain, which includes Clermont Carn Summit and Transmission Site, you are greeted by spectacular views that encompass the surrounding landscape and the Irish Sea.
Slievemeen Summit is an excellent choice for a picnic. It's a 472-meter peak with incredible views, and its relatively close proximity to a car park makes it convenient for carrying picnic supplies.


See even more amazing summits around Milltown with these guides: