Slieve Croob Transmitter Road Walk/ ‘The Twelve Cairns’ Walk

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Linear walk along a metalled road leading to the summit of Slieve Croob (534m/1755 ft).

Formerly within the former Banbridge District Council area as from April 1 2015 the route falls within the new Newry, Mourne & Down District Council area.

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Walk Route

Slieve Croob Transmitter Road Walk/ ‘The Twelve Cairns’ Walk

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    County Down

    Distance 1.4 miles

    OS Map Sheet 20

    Terrain Metalled Road and open mountain

    Nearest Town Finnis/Massford or Dromara

    Route Shape Linear

    Grid Reference J300453

    Route Type Mountain

    Route Description

    Slieve Croob or in Irish, Sliabh Crúb - the mountain of the hoof - rises to a height of 534 metres (1755) feet and is the source of the River Lagan. Locally the mountain is known as 'The Twelve Cairns'. This popular walk begins at the car park at the Dree Hill Road, a few miles from Dromara. Though the beauty of the mountain is marred by the transmitter masts and compounds near the summit the walk, on a clear day, offers lovely views over the surrounding countryside and further afield.

    It is said "... on a clear day you could see with the naked eye Lough Neagh, Belfast Lough, Carlingford Lough, Scarbo Tower, the full range of the Mourne Mountains, the coastline from Warrenpoint to County Antrim, and if you knew where to look you could pick out Armagh Cathedral."

    The walk follows a well surfaced road which winds its way through open moorland to the summit of the mountain and gives a straightforward linear walk.

    Slieve Croob is the highest peak in the Dromara hills, a range of mountains forming the foothills of the high Mournes. These hills are, however, much older than their southern cousins, the geology of the area being some 400 million years old. Near the summit the River Lagan rises as a tiny stream and begins its journey to the sea at Belfast.

    There was once an enormous cairn - probably marking an ancient burial place or place of special significance - on the summit and from this the local name - 'The Twelve Cairns' originates. Lewis in his 1837 ' A Topographical Dictionary of Ireland Volume 1' (p.473) states:

    “...Among the ANTIQUITIES are two remarkable Carins; one of them on the summit of Slieve Croob, measuring 80 yards around at the base and 50 on the top, and forming the largest monument of the kind in the county: on this platform several smaller cairns are raised, of various heights and dimensions.”

    Sadly now little remains of this once striking monument other than some scattered stones around the triangulation point on the summit.

    Slieve Croob was associated with the celebration of the Celtic harvest festival of Lughnasa, in honour of the God Lugh. It was one of quarterly feasts of the old Irish year. Lughnasa or Lammas took place in late July or early August. It continued into Christian times as a harvest festival. The festival was often associated with community gatherings on the summits of mountains or hills which gave a commanding view over the surrounding countryside. On the way to the summit the dark blue bilberries - known locally as 'blaeberries' - would be picked which gave the festival its local name of ‘Blaeberry Sunday’. It is also know as 'Cairn Sunday' as it was said to be a tradition to carry up a small stone to place on the cairn. Once at the summit, an afternoon of dancing, music and games and courtship followed. Blaeberry Sunday was celebrated until the 1950’s on Slieve Croob, and in recent years has undergone something of a revival with an annual walk being organized by local community groups.

    This side of the mountain is dominated by grasses such as densely tufted mat grass. This wiry plant gives a characteristic whitish tone to the slopes in winter, which contrasts with the green of cultivated fields below. The nodding white heads of cotton grass signal wetter areas. The grassland frequently grades into wet flushes. If you look closely among the sedges, you may find butterwort, with a rosette of spreading oval pale-green leaves looking like a yellow starfish (can be seen just off the transmitter road, near the summit).

    Meadow pipits, small brown birds, are often seen dropping like paper darts into clumps of rushes. Hunting kestrels are a familiar sight, hovering or hanging in the updrafts over hill edges with a fanned tail on the outlook for prey. Buzzards are also frequently seen in the area – identifiable by their extended wing tips in flight and large size. A more recent addition are Red Kites which have recently been reintroducted into this part of County Down by the RSPB. Red Kites are distinctive because of their forked tail and striking colour - predominantly chestnut red with white patches under the wings and a pale grey head. They have a wingspan of nearly two metres (about five-and-a-half-feet), but a relatively small body weight of 2 - 3 Ibs. This means the bird is incredibly agile, and can stay in the air for many hours with hardly a beat of its wings.

    To begin the walk pass through green kissing gate which gives pedestrian access onto the metalled transmitter road serving the several transmitter masts on the summit of the mountain. The road is open to rough mountain grazing on either side and the sheep wander across the road making it muddy in places.

    Follow the road to its very end, passing an interpretative board near the summit. At the end of the road, look up onto the mountain - there are 3 stiles giving access to the summit. The ground here is open mountain and can be uneven and muddy.

    Retrace your steps down the transmitter road. The River Lagan rises unobtrusively. Take a couple of steps off the path and you may hear the gurgle of the stream. As you continue to walk down the road you will see the River Lagan cutting its way down the mountain to the right. Please keep to the road as the land on either side is privately owned.

    The sculpture in the car park is a public art piece created by local artist Christ Wilson entitled 'Source of the River Lagan'. It consists of slabs of Mourne granite sandwiched together with a window to view the landscape and etched plates representing local heritage in the form of the nearby Legananny Dolmen and the continuation of ancient traditions in the form of the Blaeberry/Cairn Sunday walk. 

    Point of Interest
    360 degree panoramic view over County Down.
    Dog Policy
    Permissive access route only - no dogs allowed due to open mountain grazing.
    Turnip House Teashop and Crafts 64 Dromara Road, Ballyward, Castlewellan, Co. Down, BT31 9UF. Tel: 028 4065 0848 Email: To north - on B7 approaching Finnis/Massford from south - shop and garage. Hamlet of Finnis - pub (limi
    Accessibility Grade

    Grade 5

    • There may not be a formalised path, and variable, single file trails are to be expected.
    • Gradients and cross slope could be expected to be steep and not limited.
    • Obstacles and surface breaks of greater than 75mm measured across the line of the path to be expected.
    • Overhanging branches are possible. Passing places and rest areas may not be formalised or provided.