Best mountain peaks around Commons offers a diverse landscape for outdoor enthusiasts. This region features 4 distinct peaks, providing opportunities to experience its natural beauty and historical significance. The area is characterized by mountainous terrain, including extinct volcanoes and prominent summits. Exploring these peaks is a way to engage with the region's geography and history.
Last updated: June 18, 2026
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Carnavaddy isn't quite an official mountain at 475 m (1,558 ft), but it's a prominent mountain and commands great views down the peninsula and out to sea. It can be walked from either side and is often combined with Clermont Carn to the north to make an excellent mountain day.
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As soon as you cross the gentle ridge of Slieve Gullion, the North Cairn stretches out before you - a slightly smaller hill than its southern neighbour, but no less impressive. The stones that gather here seem like silent sentinels, witnesses of the distant Bronze Age. Two ancient stone boxes were once found here during excavations, which lay hidden in the depths of history. The North Cairn, with its diameter of around 18 metres, invites you to pause for a moment and enjoy the peace. But it is not just the Cairn that is fascinating. Right next to it lies "Calliagh Beara's Lough", a quiet mountain lake that, according to legend, is the home of the witch Beara. On a clear day, the sky is reflected in the calm waters and you can almost feel the ancient magic of this place coming to life. The road here may be rocky, but the landscape rewards with sweeping views and a touch of mysticism that makes Slieve Gullion something special.
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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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At the heart of the Ring of Gullion AONB, you'll find this beautiful mountain, which represents the highest point in the county with an elevation of 573 meters (1,880 ft). Right next to it there is a burial cairn.
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Slieve Gullion, whose name sounds as poetic in English as "Sliabh gCuillinn" in Irish, rises majestically in the "Ó Fiaich Country" in the south of County Armagh in Northern Ireland. At 573 meters high, it not only hides a geological wonder in the form of an extinct volcano, but also the highest Passage Tomb in the British Isles. This passage tomb is particularly mysterious because its entrance is aligned exactly towards the point where the sun sets on the winter solstice. The best place to start your hike is from the Slieve Gullion viewing platform, where there is not only plenty of parking, but also space to stay overnight in a motorhome. From there a clearly marked path, demarcated by a staircase of large rocks, leads to the South Cairn. The transition between the South Cairn and the North Cairn is soft and wet, making the path a true nature experience. However, it should be noted that the descent from the North Cairn back to the viewing platform is rather steep and not always clear. From the summit, hikers are treated to a breathtaking panorama. The view sweeps over the landscape all around and you quickly understand why this area has been classified as an "Area of Outstanding Natural Beauty". The "Slieve Gullion Forest Park" landscape protection area extends over large heath areas on the sunlit mountain slopes. For those who want to experience the full spectrum of this stunning area, there is the 57km long waymarked Ring of Gullion Way. A 13 km long section of this circular hiking trail, the “Slieve Gullion Walk”, leads from the car park at Meigh directly to the summit and back again.
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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 Commons region offers several distinctive peaks. Among them, Slieve Gullion Summit stands out as an extinct volcano with a significant historical site. Other prominent peaks include Clermont Carn Summit, known for its panoramic views, and the challenging Black Mountain North Side.
Yes, the peaks around Commons are rich in history. Slieve Gullion Summit hosts the highest Passage Tomb in the British Isles, which is oriented towards the winter solstice sunset. Nearby, the North Cairn of Slieve Gullion contains Bronze Age stone boxes. Clermont Carn Summit also features a Neolithic burial cairn.
The peaks in Commons offer spectacular vistas. From Slieve Gullion Summit, you'll get fantastic all-around views. Clermont Carn Summit provides breathtaking views of the surrounding landscape and the Irish Sea. Even the slightly lower Carnavaddy Summit commands great views down the peninsula and out to sea.
While some climbs are challenging, the region offers varied terrain. For specific family-friendly routes, it's best to check the difficulty ratings of individual trails. The 13 km long “Slieve Gullion Walk” leads from a parking lot to the summit of Slieve Gullion and back, which might be suitable for active families, though it is rated intermediate to challenging.
Beyond summiting, the area around Commons offers a variety of outdoor activities. You can explore numerous hiking trails, including easy loops like the Fathom Wood loop or moderate options like the Ring of Gullion and Carlingford Lough Greenway Loop. For cyclists, there are routes like the Newry Canal Way Loop, and mountain bikers can tackle trails such as the Newry, Carnavaddy and Annaloughan Mountain loop. Find more details on these activities in the hiking, cycling, and MTB guides for Commons.
The difficulty varies among the peaks. Slieve Gullion Summit is rated as intermediate to challenging, with a well-defined stairway for part of the ascent. The Black Mountain North Side is particularly challenging, featuring a very steep initial climb. Peaks like Clermont Carn Summit and Carnavaddy Summit are generally considered intermediate.
Yes, the region boasts interesting natural features. Slieve Gullion is an extinct volcano, offering a unique geological context. Near the North Cairn of Slieve Gullion, you'll find "Calliagh Beara's Lough," a quiet mountain lake steeped in local legend.
The 'Ring of Gullion Way' is a 57 km long, marked circular hiking trail that leads around Slieve Gullion. A section of this trail is the 13 km long “Slieve Gullion Walk,” which specifically guides hikers from a parking lot near Meigh to the Slieve Gullion Summit and back, offering a comprehensive experience of the mountain.
Yes, it's possible to combine certain peaks for a longer mountain day. For instance, Carnavaddy Summit is often combined with Clermont Carn Summit to the north, creating an excellent and rewarding route.
Weather conditions on the peaks can change rapidly. For example, on the Black Mountain North Side, you should be prepared for sudden changes in weather and strong winds. Always carry appropriate gear and check forecasts before heading out, as conditions can be tricky, especially on descents.
The Slieve Gullion area, also known as the "Ă“ Fiaich Country," is a protected landscape area (Area of Outstanding Natural Beauty - AONB) with extensive heathland. It's home to Slieve Gullion, an extinct volcano, and is rich in ancient history with its passage tombs and cairns. The landscape offers a blend of natural beauty and cultural heritage.


See even more amazing summits around Commons with these guides: