4.6
(1515)
13,113
hikers
83
hikes
Dog friendly hiking trails in Mourne Aonb traverse a landscape dominated by the Mourne Mountains, which feature peaks over 600 meters, including Slieve Donard at 850 meters. The region's geology, shaped by volcanic activity and glacial erosion, presents granite tors, U-shaped glacial passes, and high mountain lakes. Hikers encounter varied terrain, from steep slopes and heather-clad hills to peatlands and grasslands. The AONB also extends to coastal areas with beaches and rocky coves, alongside tranquil forest parks and reservoirs.
Last updated: May 29, 2026
4.8
(27)
164
hikers
10.5km
04:19
740m
740m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
3
hikers
4.13km
01:05
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.6
(41)
156
hikers
20.0km
06:16
680m
680m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.2
(22)
147
hikers
14.6km
05:51
910m
910m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.4
(9)
76
hikers
8.84km
03:01
450m
450m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Slieve Commedagh, at 767 meters, is the second-highest peak in the Mourne Mountains and a rewarding climb for any hiker. Its summit offers sweeping views across the Mournes and out to the Irish Sea, a reminder of how close these mountains sit to the coast. The ascent is steep and demanding, often over pathless ground, but never overly technical in good weather. You can climb it on its own or link it with nearby peaks such as Slieve Donard, making for a truly memorable day in the heart of the Mournes.
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I was lucky to see them at their best today, beautiful 😍
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Dating back to the 19th century, this historic port offers an authentic insight into the region's maritime history. The well-maintained paths along the port make for a pleasant ride with views of the Mourne Mountains in the background. However, it can get slippery in wet weather, so care must be taken. A particular highlight is the Annalong Cornmill, a restored watermill that is well worth a visit. Nearby you'll find the Harbour Inn, a cosy eatery known for its fresh seafood. Note, however, that the harbour can dry out at low tide, which changes the view.
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The small, historic port provides a charming setting with views of the Mourne Mountains and the sea. The promenade is well maintained and is great for a relaxing cruise along the coast. However, it can get quite busy in good weather and at weekends, which can slow down the journey. A highlight is the proximity to Murlough National Nature Reserve, which is just a few kilometers away and is ideal for further exploration. Note, however, that some sections of the promenade can be slippery when wet, so care must be taken.
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The hike to the Cloghmór Stone feels like a journey through time. Over 10,000 years ago, the ice brought this massive granite block from Scotland here, and now, weighing an estimated 50 tons, it towers majestically over the landscape. But it's not just the geology that's fascinating - according to legend, it was the giant Finn McCool who threw this enormous stone over Carlingford Lough. To be honest, the legend is a much more exciting explanation, isn't it? Once you've reached the top, you'll not only be greeted by the imposing boulder, but also by a fantastic view of Carlingford Lough and the surrounding hills. It's the perfect place to pause for a moment, take in the vastness and enjoy the peace that this place exudes.
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Not appreciated when bathing there
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A beautiful round stone, there is a legend about it but unfortunately we could not find out
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There are over 85 dog-friendly hiking trails in the Mourne Area of Outstanding Natural Beauty, offering a wide range of options for you and your canine companion. These routes vary in difficulty, from easy strolls to challenging mountain ascents.
The Mourne AONB offers incredibly diverse terrain. You can expect everything from coastal paths like the easy Annalong Coastal Path, to tranquil forest trails in areas like Tollymore Forest Park, and rugged mountain paths with granite tors and scree slopes on higher peaks. Always ensure your dog is comfortable with the expected terrain.
Yes, the Mourne AONB has plenty of easy options. Coastal walks, such as the Annalong Coastal Path, offer flat and accessible routes. Forest parks like Tollymore Forest Park also provide gentle, well-maintained trails perfect for a leisurely walk with your dog.
For experienced hikers and well-conditioned dogs, challenging routes include ascents to peaks like Slieve Donard. The The Mourne Wall – Summit of Slieve Donard loop from Newcastle offers significant elevation gain and rugged terrain, providing a rewarding experience with panoramic views.
Many dog-friendly trails lead to stunning natural features. You can explore the iconic Mourne Wall, which traverses 15 peaks, or visit the Cloughmore Stone near Rostrevor, offering views of Carlingford Lough. The region also boasts high mountain lakes, cascading rivers, and impressive granite tors. For example, the Donard Park Waterfall – Shimna River Waterfall loop from Newcastle features beautiful waterfalls.
Yes, many dog-friendly routes in the Mourne AONB are circular, allowing you to start and end at the same point. An example is the Slieve Commedagh and Glen River Loop, which offers a moderate challenge and returns you to your starting point.
Spring and autumn generally offer the most pleasant conditions for dog-friendly hiking, with milder temperatures and beautiful scenery. Summer can be warm, especially on exposed mountain trails, so plan early morning or late afternoon hikes. Winter can be challenging due to snow and ice on higher ground, requiring appropriate gear and caution.
Absolutely. Forest parks like Tollymore Forest Park are ideal for families with dogs, offering gentle paths, river crossings, and interesting features like follies. The Annalong Coastal Path is another excellent choice for a relaxed family outing with your dog.
The Mourne AONB is highly rated by the komoot community, with an average score of 4.58 stars. Reviewers often praise the stunning panoramic views from the mountain peaks, the tranquility of the forest parks, and the diverse landscapes that make every hike unique. The clear paths and well-maintained trails are also frequently highlighted.
While the Mourne AONB is very dog-friendly, it's important to keep your dog under control, especially around livestock and wildlife. Many areas are working farmland, so leads are often required. Always pick up after your dog and be mindful of other hikers and the natural environment. Check local signage for specific restrictions in certain areas like nature reserves or forest parks.
Many popular trailheads and forest parks in the Mourne AONB offer dedicated parking facilities. For example, trails leading to Slieve Donard often start from Newcastle, which has parking options. Forest parks like Tollymore and Castlewellan also have ample parking. It's always advisable to check specific route details for parking availability before you go.


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