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Northern Ireland

Down

The 12 Most Amazing Peaks in Down

Best mountain peaks in Down are primarily found within the Mourne Mountains, a granite range in Northern Ireland. This Area of Outstanding Natural Beauty features numerous peaks, each offering distinct characteristics and attractions. The region provides diverse hiking experiences, from challenging ascents to more accessible climbs. Its landscape is characterized by majestic mountains, ancient cairns, and the notable Mourne Wall.

Best mountain peaks in Down

  • The most popular mountain peaks is Summit of Slieve Donard, a natural monument that is Northern Ireland’s highest peak at 850 meters. Its summit features a stone tower and the remains of two burial cairns, with the Mourne Wall also crossing its western slope.
  • Another must-see spot is Slieve Bearnagh, a viewpoint known for its two giant rocky tors and the col lying between them. This peak is the 4th highest in the range and carries the Mourne Wall, offering rewarding views across the Mournes.
  • Visitors also love Hen Mountain, a summit that is one of the less challenging climbs in the Mourne Mountain range. It provides panoramic views and features atmospheric granite tors, popular with rock climbers.
  • Down is known for its granite peaks, varied summit viewpoints, and challenging climbs. The region offers a wide variety of mountain peaks to see and explore, catering to different experience levels.
  • The mountain peaks in Down are appreciated by the komoot community, with 39 upvotes and 23 photos shared by users.

Last updated: May 7, 2026

Slieve Bearnagh

Highlight • Viewpoint

Slieve Bearnagh from the Irish “Sliabh Bearna” meaning “Gapped Mountain” gets its name from its two giant rocky tors and the col lying between them. It is the 4th highest in the range and another 700m+ peak carrying the Mourne Wall with saddles at Pollaphuca to the West and Hares Gap to the East.

It is most accessible starting from the Cecil Newman Car Park and following the Trassey Track up and over Hares Gap, turning right and climbing the steps to meet the Mourne Wall which you follow to both summits. The final climb is steep requiring some hands and knees type scrambling. If doing a circular route descending from the North Tor (680m / J315282) to Pollaphuca is also extremely steep so care is required.

(mourne-mountains.com/mournes/mountains/slieve-bearnagh/)

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Slieve Croob Summit

Highlight • Viewpoint

Slieve Croob stands at 534m and is the highest peak of the Dromara Hills, situated just north of the Mourne Mountains. From the summit, you can enjoy expansive views across County Down and toward the Mourne mountain range, a designated Area of Natural Beauty.

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Summit of Slieve Donard

Highlight • Natural Monument

Northern Ireland’s highest peak and the pinnacle of the Mourne Mountains, Slieve Donard rises directly from the shore of the Irish Sea. The 19-mile (31 km) Mourne Wall joins a stone tower and the remains of two burial cairns on the summit, from where the Isle of Man, Anglesey, and the West Coast of Scotland can be seen.

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The Mourne Wall

Highlight • Monument

Taking almost 20 years to build, the 19-mile (31 km) Mourne Wall runs across the principal summits of the Mourne Mountains. It was built to keep livestock from contaiminating the Silent Valley Reservoir and passes over no less than 15 peaks in the Mournes.

Its perimeter has given rise to the Mourne Wall Challenge where hikers complete a full circuit of the wall, visiting seven of Northern Ireland's ten highest mountains and conquering over 8,000 feet (2,400 metres) of elevation gain.

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Slieve Meelmore summit shelter

Highlight • Historical Site

The Mourne Wall leads to the summit and there, like Slieve Donard, is a tower probably built to give some shelter to the workmen who constructed the wall. Meelmore also has what appears to be an old stonemasons hut at J302285 with plenty of part cut stone on its periphery showing that Meelmore was likely another spot that materials were gathered for the Mourne Wall.

(mourne-mountains.com/mournes/mountains/slieve-meelmore/)

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Slieve Loughshannagh summit

Highlight • Viewpoint

Slieve Loughshannagh is one of the quieter summits in the Mourne Mountains, but it rewards hikers with wide, open views over Silent Valley, Slieve Binnian, and the western Mournes. The climb isn’t too demanding, and the summit has a peaceful, windswept feel, making it a lovely spot to pause and take in the rugged beauty of the landscape.

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Hen Mountain

Highlight • Summit

Hen Mountain is one of the less challenging climbs of the Mourne Mountain range, not to worry though, as it still provides the stunning panoramic views that the Mournes are so good at showcasing. There are a few rocky outcrops up here which can be discovered and explored, just do watch your footing as you move about.

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Reaching the summit of Slieve Donard feels like stepping into a small, timeless world. There, the stone tower and cairn stand quietly... a simple yet powerful landmark marking the peak of Northern Ireland’s highest mountain. This spot offers more than panoramic views across the Mournes, it anchors the moment, inviting you to pause and reflect on your journey.

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Slieve Muck Summit

Highlight • Summit

Two wooden ladders cross the wall on the way to the Silver Muck mountain peak

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Spaltha

Highlight • Viewpoint

This is a great little walk around 4 smaller hills in The Mournes.

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Tips from the Community

Damiano 🇮🇹
August 27, 2025, Stone Tower and Cairn on Slieve Donard Summit

Reaching the summit of Slieve Donard feels like stepping into a small, timeless world. There, the stone tower and cairn stand quietly... a simple yet powerful landmark marking the peak of Northern Ireland’s highest mountain. This spot offers more than panoramic views across the Mournes, it anchors the moment, inviting you to pause and reflect on your journey.

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On the summit of Slieve Meelmore stands a small stone shelter, a welcome spot to rest after the steady climb up. From here, the views stretch across the Mournes, with Slieve Bearnagh’s rocky tors dominating the skyline. The shelter gives hikers a place to pause, shielded from the wind, and enjoy the sweeping mountain scenery before continuing along the Mourne Wall.

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Slieve Loughshannagh is one of the quieter summits in the Mourne Mountains, but it rewards hikers with wide, open views over Silent Valley, Slieve Binnian, and the western Mournes. The climb isn’t too demanding, and the summit has a peaceful, windswept feel, making it a lovely spot to pause and take in the rugged beauty of the landscape.

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Two wooden ladders cross the wall on the way to the Silver Muck mountain peak

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Urban 👫🌞
July 25, 2025, Spaltha

A very nice path up to Spaltha. BUT!! This is NOT a circular route! Muddy meadows and moors, but on the Komoot route, there is NO path anywhere! We wandered around and then found parts of an official hiking trail, but mostly we wandered over moors. Be careful!!

Translated by Google

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bring lunch as there was no pub grub at the top

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TrevorM
November 27, 2024, Slieve Donard Summit

I was lucky to see them at their best today, beautiful 😍

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At 617m high, Slieve Loughshannagh isn't the highest in the Mournes but it does offer fantastic views down over the lough and deeper into the Mournes.

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Frequently Asked Questions

What are some of the most notable mountain peaks to explore in County Down?

County Down is home to the majestic Mourne Mountains, featuring several prominent peaks. Among the most notable are Slieve Donard, the highest in Ulster, known for its panoramic views and ancient cairns. Other significant peaks include Slieve Commedagh, offering 360-degree vistas, and Slieve Binnian, famous for its dramatic granite tors. Slieve Bearnagh is also distinctive with its two imposing granite tors and rewarding views across the Mournes.

Which mountain peaks in County Down offer the best panoramic views?

For breathtaking panoramic views, Slieve Donard is unparalleled, offering vistas across the County Down coast, the Irish Sea, and even to the Isle of Man on clear days. Slieve Commedagh provides excellent 360-degree views, including Belfast and Strangford Loughs. Slieve Binnian also boasts spectacular 360-degree views of the surrounding countryside, sea, and nearby peaks like the Silent Valley Reservoir and Carlingford Lough. Additionally, Slieve Bearnagh and Slieve Croob Summit are popular viewpoints.

Are there any family-friendly mountain walks in the Mourne Mountains?

Yes, for those seeking a less challenging climb suitable for families, Hen Mountain is an excellent choice. It offers stunning panoramic views without the strenuous ascent of higher peaks and features atmospheric granite tors that are fun to explore. Its easy access makes it great for first-time hikers.

What historical or cultural features can be found on the mountain peaks in Down?

The mountain peaks in Down are rich in history. Slieve Donard's summit features two prehistoric cairns, with the larger Great Cairn believed to be a Neolithic passage tomb. The iconic Mourne Wall, a 22-mile dry-stone wall built to enclose the Silent Valley reservoir's catchment, traverses many peaks, including Slieve Donard, Slieve Commedagh, Slieve Binnian, and Slieve Bearnagh. Slieve Binnian also has an impressive hidden feature, the Binnian Tunnel, built beneath the mountain to transport water.

What makes the Mourne Mountains unique geologically?

The Mourne Mountains are primarily a granite range, which gives them their distinctive appearance. Many peaks, such as Slieve Binnian, Slieve Bearnagh, and Hen Mountain, are renowned for their dramatic granite tors and outcrops. These unique rock formations, along with features like the corries of Pot of Pulgarve and Pot of Legawherry on Slieve Commedagh, contribute to the region's rugged beauty and challenging terrain.

What outdoor activities can I do near the mountain peaks in Down?

Beyond hiking and climbing the peaks, County Down offers a variety of outdoor activities. You can explore numerous mountain biking trails, such as those found in the MTB Trails in Down guide. Road cycling enthusiasts can find scenic routes like the Spelga Reservoir loop, detailed in the Road Cycling Routes in Down guide. For general cycling, there are diverse options, including the Slievenaman loop, as highlighted in the Cycling in Down guide.

What is the highest mountain peak in County Down?

The highest mountain peak in County Down, and indeed in Ulster and Northern Ireland, is Slieve Donard, standing at 850 meters (2,790 feet). Its summit offers unparalleled views and is a popular destination for hikers.

Are there any less challenging mountain peaks for beginners in County Down?

While many Mourne peaks offer challenging climbs, Hen Mountain is considered one of the less challenging ascents in the range. It provides stunning panoramic views and is often recommended for beginners or those looking for a more relaxed hike. Cock Mountain is another intermediate option.

What is the Mourne Wall and where can I see it?

The Mourne Wall is an iconic 22-mile (35 km) dry-stone wall built between 1904 and 1922 to enclose the Silent Valley and Ben Crom reservoirs' catchment basin. It traverses the slopes and summits of many of the Mourne Mountains' principal peaks, including Slieve Donard, Slieve Commedagh, Slieve Binnian, and Slieve Bearnagh. Hiking along sections of the wall is a popular way to experience the region's unique landscape and history.

What are some unique features of Slieve Binnian?

Slieve Binnian, the third-highest peak, is renowned for its dramatic granite tors, particularly the prominent North and South Tors and the unique granite towers known as the Back Castles. It also overlooks the Silent Valley Reservoir and features the impressive Binnian Tunnel, built beneath the mountain. Its rugged beauty is said to have inspired C.S. Lewis's Chronicles of Narnia, and visitors can explore an old quarry and village ruins on its eastern side.

What should I know about hiking conditions in the Mourne Mountains?

The Mourne Mountains offer diverse trails for all experience levels, from leisurely strolls to strenuous climbs. While some peaks like Slieve Donard have steep sections, they are generally considered accessible. Always be prepared for varied weather conditions, as views can be obscured by clouds. The region's natural beauty and delicate habitats are conserved, so visitors are encouraged to practice 'Leave No Trace' principles.

Are there any shelters or resting points on the mountain peaks?

Yes, some peaks offer shelters for hikers. For instance, Slieve Commedagh has a small one-room tower on its summit that provides shelter. Additionally, Slieve Meelmore summit shelter and Summit Shelter Tower, Slieve Corragh are available, offering respite during challenging climbs.

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