Just a few kilometres from Belfast city centre, Divis and Black Mountain offer a spectacular escape above the city. The landscape soon changes: streets and docks give way to open heathland, peat bogs, stone walls and wind-exposed paths. When the skies clear, the views stretch across Belfast Lough, the Mourne Mountains, Lough Neagh and, sometimes, as far as the Scottish coast.
Divis and Black Mountain form part of the Belfast Hills, which provide the western backdrop to Northern Ireland’s capital. At 478 metres, Divis is the highest point in the range. Black Mountain, slightly lower down, overlooks the city directly and offers the most striking views across Belfast’s neighbourhoods, the harbour and the famous Samson and Goliath cranes.
The two summits do not make for an alpine hike in the strict sense. The slopes are generally gradual, and the main routes follow tracks, surfaced sections, stony paths and boardwalks across wet ground. Wind exposure, mud and rapidly changing weather can nevertheless turn a gentle walk into a much more demanding outing.
The Summit Trail is the route to choose for reaching the top of Divis. This loop of around 4.8 km crosses heathland and blanket bog before reaching the highest point in the Belfast Hills. The National Trust rates it as difficult, chiefly because of the uneven ground and sometimes highly exposed conditions. Allow approximately 1 hour 30 minutes, or longer if you stop to take in the views.
The Ridge Trail, around 6.7 km long, is a broader loop through the hills. It offers almost continuous views over Belfast and the surrounding area. On a clear day, you can make out the Antrim Plateau to the north, Scotland to the east and the Mourne Mountains to the south. The walk takes up to three hours and is the best choice for discovering the full variety of the site rather than simply heading for the summit.
For a gentler outing, the Lough Trail is a short 1.45 km loop. Its wide, relatively flat path with only a gentle incline is well suited to visitors with limited time. The route takes around 30 minutes and already offers fine views towards Lough Neagh and the Sperrins.
The view is the great reward for the climb. From Black Mountain, Belfast appears like an immense relief map. The city centre, shipyards, Belfast Lough and residential neighbourhoods spread out at the foot of the hills. Harland and Wolff’s yellow cranes are easy to spot and immediately give the landscape a sense of scale.
Yet the spectacle extends well beyond the city. In good conditions, the horizon takes in Strangford Lough, the Mourne massif, the Sperrins, part of Donegal and the Scottish hills. It can take just a few minutes for clouds to swallow the whole scene. Here, the weather likes to remind you that it is part of the visit — sometimes with a little too much enthusiasm.
The massif protects a mosaic of grassland, heath and peat bogs. These habitats retain water, store carbon and support wildlife adapted to open landscapes. With a little patience, you may spot buzzards, kestrels, ravens and a range of heathland birds. Cattle also graze on the site between spring and autumn, helping to maintain these habitats.
The landscape also has an often overlooked archaeological dimension. Burial cairns, traces of former farming systems, settlement sites and flints bear witness to ancient human occupation. The hills are also home to the sources of several watercourses that flow down towards Belfast and Lough Neagh.
Part of the area was long used by the UK Ministry of Defence. The return of the estate to the National Trust in the early 2000s enabled it to be opened to the public and waymarked trails to be established. The imposing telecommunications installations visible on the heights nevertheless recall the strategic role of the massif.
Waterproof walking boots are strongly recommended. Even after several relatively dry days, some sections can remain wet or muddy. Bring a windproof, waterproof jacket too: the summits are exposed, and the perceived temperature can be considerably lower than in Belfast city centre.
Take enough water and a small snack, especially if you choose the Ridge Trail. The on-site café and toilets operate seasonally and may be closed. Mobile reception is generally available on the heights, but an offline map remains useful when cloud reduces visibility.
Dogs are welcome, but must be kept on a lead. This rule protects livestock, wildlife and other walkers. It is also important to follow the waymarked paths: the peat bogs are fragile, and the ground can be far less stable than it appears.
Cave Hill offers more dramatic terrain, distinctive cliffs and immediate proximity to Belfast Castle. Divis and Black Mountain provide a broader, wilder experience, shaped by open horizons and heathland. Their trails give a stronger sense of leaving the city behind, even though Belfast remains almost constantly visible below.
If your stay allows, both sites are worth visiting. Cave Hill is particularly suited to a half-day combining the castle and a walk. Divis and Black Mountain will appeal more to travellers who want to walk for several hours and discover another side of the Belfast Hills.
Essential information to help you plan your visit, including key landmarks, access information, and booking options.
Divis Road, Hannahstown, près de Belfast, County Antrim, BT17 0NG, Belfast
54.60074, -6.041651
1 hour 30 minutes