4.6
(864)
7,491
hikers
124
hikes
Hiking around Tullynasoo offers a variety of trails, primarily featuring loops around natural landmarks. The terrain includes moderate ascents to summits like Slievenaslat, providing views of Castlewellan Castle and the Mourne Area of Outstanding Natural Beauty. Paths often traverse mixed landscapes, including areas around lakes and through forested sections. The region provides options for both easy and moderate hiking experiences.
Last updated: June 27, 2026
4.7
(40)
366
hikers
9.64km
03:21
510m
510m
Embark on a challenging yet rewarding hike to Hare's Gap and Slieve Bearnagh from Trassey Car Park, covering 6.0 miles (9.6 km) with a significant 1688 feet (514 metres) ofโฆ
4.9
(43)
272
hikers
14.0km
04:38
640m
640m
Embark on the Hare's Gap & Slieve Commedagh loop, a challenging yet rewarding hike through the dramatic Mourne Mountains. This route spans 8.7 miles (14.0 km) with a significant elevationโฆ

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4.1
(8)
307
hikers
4.46km
01:09
30m
30m
Embark on the Lakeside Walk, an easy hike that guides you around the serene waters of Castlewellan Lake. This tranquil 2.8-mile (4.5 km) loop offers gentle terrain, perfect for aโฆ
4.9
(14)
125
hikers
19.4km
06:55
1,110m
1,110m
This difficult loop in the Mourne Mountains challenges you with 12.0 miles (19.4 km) of hiking and a significant 3637 feet (1108 metres) of elevation gain, taking around 6 hoursโฆ
4.6
(12)
94
hikers
6.99km
02:12
270m
270m
The Trassey Track to Hare's Gap offers a moderate hiking experience through the scenic Mourne Mountains, covering 4.3 miles (7.0 km) with an elevation gain of 876 feet (267 metres).โฆ
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Hare's Gap is a dramatic mountain pass nestled in the heart of the Mourne Mountains. This striking pass, situated between Slieve Bearnagh and Slievenaglogh, offers hikers a blend of natural beauty and historical intrigue. From this vantage point, hikers are treated to panoramic views of the surrounding peaks and valleys. The pass itself is historically significant, having once served as a route for smuggling goods across the mountains, adding a layer of intrigue to the hike. Hare's Gap is a popular starting point for various hikes, including ascents of Slieve Bearnagh and Slieve Meelmore.
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The Brandy Pad is a historic trail that winds through the heart of the Mourne Mountains in Northern Ireland. Originally used by smugglers to transport goods such as brandy, tobacco, and spices, this path offers hikers a unique blend of natural beauty and rich history. The trail begins at Trassey Track and traverses the rugged terrain of the Mournes, passing by notable landmarks like the Mourne Wall and the Castles, a series of rocky tors. Hikers are treated to panoramic views of the surrounding valleys and peaks, including Slieve Commedagh and Slieve Donard. The path is generally well-maintained, though sections can be challenging due to rocky and uneven ground. The Brandy Pad is suitable for experienced hikers looking for a moderately strenuous route that combines scenic vistas with a touch of local lore.
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Hareโs Gap is one of the most iconic passes in the Mourne Mountains, marked by its rugged stile and dramatic views that open up across the range. Once a historic smuggling route, it remains a natural gateway into the high Mournes, with steep paths and striking rock formations framing the way. From here, the landscape unfolds in every direction, making it a perfect spot to pause, take in the scenery, and appreciate the wild beauty of these mountains.
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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 ๐
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A very beautiful castle in the forest
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Reservoir with castle and forest
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Tullynasoo offers a wide selection of hiking experiences, with over 130 trails available. These range from easy lakeside strolls to more challenging ascents, ensuring options for various fitness levels.
The trails in Tullynasoo cater to a range of abilities. You'll find approximately 53 easy routes, 62 moderate routes, and 15 more difficult trails, providing options for casual walkers and experienced hikers alike.
Hiking in Tullynasoo features varied terrain, including moderate ascents to summits like Slievenaslat, offering views of Castlewellan Castle and the Mourne Area of Outstanding Natural Beauty. Paths often traverse mixed landscapes, including sections around lakes and through forested areas.
Yes, many of the popular routes in Tullynasoo are circular. For example, the Slievenaslat Summit โ View of Castlewellan Castle loop from Dollys Brae Car Park is a moderate 9.9 km loop, and the easier View of Castlewellan Castle โ Castlewellan Lake loop from Dollys Brae Car Park is a 6.6 km circular path.
Hikers in Tullynasoo can enjoy views of Castlewellan Castle and the scenic Castlewellan Forest Park Lake. Many trails also offer vistas of the Mourne Area of Outstanding Natural Beauty from elevated points like Slievenaslat Summit. You might also encounter the Castlewellan Peace Maze.
While many trails are easy to moderate, Tullynasoo does offer some more challenging options. There are approximately 15 difficult routes available for those seeking a more strenuous hike, often involving greater elevation changes and longer distances.
The trails in Tullynasoo are highly rated by the komoot community, with an average score of 4.6 stars from over 800 reviews. Hikers frequently praise the diverse landscapes, the stunning views of Castlewellan Castle and the Mourne AONB, and the well-maintained paths around Castlewellan Lake.
Yes, several trails provide excellent viewpoints. The ascent to Slievenaslat Summit, for instance, offers expansive views. The View of Castlewellan Castle โ View of Mourne AONB loop from Dollys Brae Car Park is another route specifically designed to showcase scenic vistas of the Mourne Area of Outstanding Natural Beauty.
Absolutely. The area is known for its beautiful lakes. The View of Castlewellan Castle โ Castlewellan Lake loop from Dollys Brae Car Park is an easy trail that circles Castlewellan Lake, providing picturesque lakeside views. You can also find the Sandy beach at Lough Shanna nearby.
Hike durations vary significantly. An easy route like the View of Castlewellan Castle โ Castlewellan Lake loop can be completed in just over an hour and 45 minutes, while moderate trails such as the Slievenaslat Summit loop typically take around 2 hours and 52 minutes.
Yes, for those interested in reaching summits, trails like the Slievenaslat Summit โ View of Castlewellan Castle loop include a climb to Slievenaslat Summit. Other notable peaks in the wider area include Slieve Bearnagh and Slieve Croob Summit.


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