Official tourism website for Mourne Mountains and Ring of Gullion

The Mourne Wall

Newcastle, Down, BT33 0AA
Mourne Wall in the Mourne Mountains

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The Mourne Wall is 22 miles long and consists of natural granite stone which was constructed using traditional dry stone walling techniques.  It was built from 1904 to 1922 and was overseen by the Belfast City and District Water Commissioners.  The wall was built to keep livestock (cattle and sheep) from contaminating the water supplies and took 18 years to complete.  It passes over fifteen of the highest mountains in the area - Slieve Bearnagh (727 m), Slieve Meelmore (684 m), Slieve Meelbeg (708 m), Slieve Loughshannagh (619 m), Carn Mountain (587 m), Slieve Muck (674 m), Slievenaglogh (445 m), Moolieve (332 m), Wee Binnian (460 m), Slieve Binnian (747 m), Rocky Mountain (525 m), Slieve Donard (850 m), Slieve Commedagh (765 m), Slieve Corragh (691 m) and Slievenaglogh (586 m). 

The Silent Valley Reservoir was built between 1923 and 1933 to hold the water from the catchment area enclosed by the wall.  

How Long does it take to Walk the Mourne Wall?

The Mourne Wall is a strenuous walking route which follows the famous wall over the Mourne Mountains in County Down, Northern Ireland. It is approximately 30km long and would take around 9 hours constant walking, it would be recommended to complete this walk over a two day period.

Are Dogs welcome?

It is recommended that dogs be kept on a lead at all times.



Establishment Features

  • Accommodation nearby
  • Fitness level required - high

Leisure Facilities

  • Outdoor activities

Parking & Transport

  • Car parking

Provider Preferences

  • Of historic, literary or architectural interest
  • Outdoor Attraction

Route Guides

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Tel 03301374366

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