Best mountain peaks around Shean offer a diverse landscape characterized by historical summits, extinct volcanoes, and challenging climbs. The region features prominent peaks that provide expansive views of the surrounding countryside and the Irish Sea. These mountains are often home to ancient cairns and offer a blend of natural beauty and historical significance.
Last updated: July 2, 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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For a challenging and rewarding experience, Slieve Gullion Summit is highly rated, offering fantastic views and a significant historical site. Another popular choice is Clermont Carn Summit, known for its spectacular views of the Irish Sea and surrounding landscape.
Yes, the Shean area offers options suitable for families. For easier walks, consider exploring the trails around Slieve Gullion. The easy hikes around Shean guide includes routes like the Giant's Lair Trail and a gentle loop to Slieve Gullion Summit, which are great for a family outing.
The peaks around Shean are rich in history. Slieve Gullion Summit hosts the highest Passage Tomb in the British Isles, a significant Bronze Age burial site. Nearby, the North Cairn of Slieve Gullion also contains Bronze Age stone boxes and is associated with the legend of the witch Beara. Clermont Carn Summit features a Neolithic burial cairn alongside its transmission site.
Many peaks offer stunning vistas. The summit of Slieve Gullion provides fantastic all-around views from its extinct volcano. Clermont Carn Summit offers spectacular views of the surrounding landscape and the Irish Sea. Even the Black Mountain North Side, despite its challenging climb, rewards hikers with an excellent viewpoint at approximately 560m.
Absolutely. The Black Mountain North Side is known for its tough climb, with a very steep initial section, making it suitable for experienced hikers seeking a challenge. Slieve Gullion Summit is also categorized as challenging, especially the descent in places.
The region around Shean offers diverse outdoor activities. You can explore various road cycling routes, with options ranging from easy to moderate. There are also several running trails, including difficult loops like the Slieve Gullion running loop, perfect for trail runners.
Yes, for those who enjoy circular routes, the 57 km long, marked "Ring of Gullion Way" leads around Slieve Gullion. A section of this is the 13 km long “Slieve Gullion Walk,” which leads from the parking lot near Meigh to the summit and back. Additionally, the easy hikes around Shean guide lists circular options like the Slieve Gullion Summit loop.
For Slieve Gullion Summit, there is ample parking space at the Slieve Gullion Viewing Platform. It's a good starting point for the ascent. Always check local signage for specific parking regulations and availability at other trailheads.
While specific seasonal advice isn't provided, it's generally recommended to be prepared for changing weather conditions, especially on higher peaks like Black Mountain North Side. The wind can pick up quickly, and sudden showers are possible. Always check the weather forecast before heading out, regardless of the season.
Yes, it's a popular option for more ambitious hikers. Carnavaddy Summit, for instance, is often combined with Clermont Carn to the north, creating an excellent full-day mountain experience with great views down the peninsula and out to sea.
Beyond the impressive peaks themselves, you'll find unique natural features. On Slieve Gullion, right next to the North Cairn, lies "Calliagh Beara's Lough," a quiet mountain lake that adds a touch of mysticism to the landscape. The region also features extensive heathland, particularly on the slopes of Slieve Gullion.


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