4.6
(64)
1,044
hikers
25
hikes
Hiking around Island Kelly explores a region of rolling hills and open moorland. The area is characterized by prominent peaks, including Divis and Black Mountain, which provide expansive views of the surrounding landscape. The network of trails consists of boardwalks, gravel paths, and grassy tracks. Upland heath and grassy hills define the terrain.
Last updated: May 13, 2026
4.6
(32)
273
hikers
9.59km
02:43
210m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.08km
00:48
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.4
(8)
178
hikers
6.86km
01:59
180m
180m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
46
hikers
7.67km
02:04
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
41
hikers
6.86km
01:50
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Popular around Island Kelly
Although a tiny lake and more so a pond, Mila's lake is an ideal spot for a quick hike in nature.
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Great Climb and worth it. Divis and the Black Mountain are the highest points boasting views across the north. Divis or Dubhais meaning ‘black ridge’ refers to the dark basalt bedrock. The Mountains rest in the heart of the Belfast Hills and provide a backdrop to the cities landscape. A mosaic of grassland and heathland bog, they are home to a host of wildlife and archaeological remains. Divis stands at 478 metres (1,562ft) and Black Mountain at 390 metres (1,275ft)
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Café at the trailhead with parking
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The summit of Black Mountain stands at 367m high and provides picturesque views across the city of Belfast and Northern Ireland.
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Mount Divis stands at 478m high and is the highest peak in the Belfast Hills. From this viewpoint nearby the summit you can enjoy sensational panoramic views across Belfast toward Lough Neagh and the Mourne Mountains, and Strangford Lough.
4
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Great view from the top of Divis Mountain. There are a few ways up (road and off-road) so plenty of options for playing around.
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I'm from England and came over for a few days and used the komoot app, definitely a good app if you ain't familiar with the area. Took me straight there and back home 👍
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The trails on Island Kelly are generally accessible, with an even split between easy and moderate routes. You won't find any technically difficult or extreme alpine climbs. Most hikes involve gradual ascents on well-maintained gravel paths, boardwalks, and grassy tracks across rolling hills.
Yes, there are several options suitable for families. A great choice is the Mila's Lake loop from Poleglass. It's a short, flat walk that is perfect for all ages and fitness levels.
Most trails consist of boardwalks, gravel paths, and grassy tracks. However, the open moorland can be boggy and uneven in places, especially after rain. It's always a good idea to wear sturdy, waterproof hiking boots for comfort and support.
Access to the island is by licensed boat operators and is highly dependent on weather and sea conditions. The main season typically runs from mid-May to late September. Due to the area's popularity and protected status, the number of daily visitors is restricted, so booking your boat trip well in advance is essential.
Island Kelly is a sanctuary for seabirds, especially from April to early August. The island is famous for its large puffin colony. You may also spot other species like razorbills and fulmars. In the surrounding waters, it's possible to see grey seals and dolphins.
Due to the fragile ecosystem and the presence of ground-nesting birds, dogs are generally not permitted on the main island trails to protect the local wildlife. It's best to check the specific regulations with your boat tour operator before planning your trip.
The island has a rich history, most famously as the site of a 6th-century monastic settlement. The main hike involves a steep climb up ancient stone steps to explore the remarkably well-preserved stone 'beehive' huts where monks once lived. The site offers a profound sense of history and isolation.
You should be prepared for changeable Atlantic weather. Pack waterproof layers, even on a sunny day. Sturdy, waterproof hiking boots are essential for the uneven and sometimes boggy terrain. Also bring enough water and food for your hike, as there are no facilities on the island itself.
Yes, many of the most rewarding hikes are loops. For a moderately challenging circular route with excellent views, consider the Black Mountain Summit loop from Mount Eagles. It provides a comprehensive experience of the island's upland heath and grassy hills.
The region is highly regarded by the komoot community, with an average rating of 4.7 out of 5 stars. Hikers frequently praise the expansive views from the peaks and the unique experience of walking on trails steeped in history.
Yes, access is carefully managed to protect the site. The strenuous and exposed nature of the main climb up the stone steps means it is not recommended for those with a fear of heights or certain health concerns. Additionally, children under 12 are not permitted to land on the island. Boat tours that circle the island are a great alternative.
For the most current information on access, opening times, and safety guidelines for the historic monastic site, it is best to consult the official Heritage Ireland website. You can find details at heritageireland.ie.


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