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Newry And Mourne

Fathom Lower

The 4 Most Amazing Peaks around Fathom Lower

Best mountain peaks around Fathom Lower, a townland in County Armagh, Ireland, offer diverse outdoor experiences in the surrounding region. This area features a landscape shaped by ancient volcanic activity and historical significance. Explorers can find various summits and trails that provide views of the surrounding countryside. The region provides opportunities for those seeking both natural beauty and historical exploration.

Best mountain peaks around Fathom Lower

  • The most popular mountain peaks is Slieve Gullion Summit, a volcano that features…

Last updated: July 2, 2026

Slieve Gullion Summit

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The highest Passage Tomb in the British Isles is located on the summit of Slieve Gullion at 573 meters. The passage grave can be entered through a niche that is …

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The North Cairn of Slieve Gullion is somewhat smaller than the South Cairn; it measures about 18 meters in diameter. During excavations, two stone boxes from the Bronze Age were …

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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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Black Mountain North Side

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Tough climb to an excellent viewpoint.
This climb is very steep for the first 0.7km and then levels off, with a kick at the end. Ascend to approximately 560m and …

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Carnavaddy Summit

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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 …

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51m
May 13, 2026, Carnavaddy Summit

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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StevieT
November 27, 2023, Slieve Gullion Summit

A tough climb but great views from 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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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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Frequently Asked Questions

What are the most notable mountain peaks to explore around Fathom Lower?

The region around Fathom Lower offers several distinctive peaks. Among them, Slieve Gullion Summit stands out as an extinct volcano with historical significance, featuring the highest Passage Tomb in the British Isles. Other prominent peaks include Clermont Carn Summit, known for its spectacular views and Neolithic burial cairn, and the challenging Black Mountain North Side.

Are there historical or cultural sites on these mountain peaks?

Yes, several peaks boast rich history. Slieve Gullion Summit is home to the highest Passage Tomb in the British Isles, dating back to the Bronze Age. 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.

What are the difficulty levels of hiking these peaks?

The peaks around Fathom Lower offer a range of difficulties. Slieve Gullion Summit is considered intermediate to challenging, with a well-defined path in places but also softer, wetter sections. The Black Mountain North Side is particularly challenging, featuring a very steep initial climb. Peaks like North Cairn of Slieve Gullion and Clermont Carn Summit are generally intermediate, offering rewarding views for a moderate effort.

Are there family-friendly hiking options near Fathom Lower?

While some peaks can be challenging, there are easier hiking options in the vicinity. For instance, the Easy hikes around Fathom Lower guide includes routes like the Giant's Lair Trail and the Fathom Wood loop, which are suitable for families looking for less strenuous walks.

What kind of views can I expect from the summits?

The summits around Fathom Lower provide spectacular panoramic views. From Slieve Gullion Summit, you can enjoy fantastic all-around vistas. Clermont Carn Summit offers views of the surrounding landscape and the Irish Sea. Carnavaddy Summit, though not an official mountain, commands great views down the peninsula and out to sea. Even the challenging Black Mountain North Side rewards climbers with impressive views of the countryside.

Are there designated parking areas for accessing these mountain trails?

Yes, for some peaks, parking is available. For example, when hiking Slieve Gullion, there is ample parking space at the Slieve Gullion Viewing Platform, which serves as a common starting point for ascents.

What other outdoor activities can I do near these mountain peaks?

Beyond hiking, the area around Fathom Lower offers various outdoor activities. You can find numerous running trails, including the Carlingford Lough Greenway. For cyclists, there are diverse road cycling routes, such as the Warrenpoint loop or the extensive Ring of Gullion Cycle Tours.

What is the best time of year to hike the peaks around Fathom Lower?

The best time to hike generally depends on weather conditions. Spring and autumn often offer pleasant temperatures and clear skies, ideal for enjoying the views. However, weather can change quickly in mountainous regions, so it's always advisable to check the forecast and be prepared for sudden changes, especially on exposed summits like Black Mountain North Side.

Can I combine multiple peaks into a longer hike?

Yes, some peaks can be combined for a more extensive mountain day. For instance, Carnavaddy Summit is often combined with Clermont Carn to the north, creating an excellent longer route with varied terrain and views.

What unique natural features can be found on these peaks?

The peaks offer interesting natural features. Slieve Gullion is an extinct volcano, and its slopes are part of the Slieve Gullion Forest Park, an Area of Outstanding Natural Beauty with extensive heathland. Near the North Cairn of Slieve Gullion, you'll find Calliagh Beara's Lough, a quiet mountain lake adding to the mystical atmosphere of the area.

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