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United Kingdom
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Cock Mountain Common

Mourne Wall

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Mourne Wall

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by 52 explorers out of 55

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    Location: Cock Mountain Common, Down, Northern Ireland, United Kingdom

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    Tips

    August 18, 2025

    Hiking

    The Mourne Wall is one of the most iconic landmarks of the Mourne Mountains, stretching for 35 kilometers across 15 summits. Built by hand in the early 20th century to enclose the Silent Valley Reservoir catchment area, it’s an impressive feat of craftsmanship and endurance.

    Today, hikers crossing its path are struck not only by its scale and history but also by the way it weaves naturally into the dramatic mountain landscape. Following the wall offers some of the best ridge walks in the Mournes, making it both a cultural treasure and a perfect guide for exploring these rugged peaks.

    April 6, 2022

    Hiking

    Impressive Granite Walls spanning 35 kms through the Mountains of Mourne

    October 20, 2023

    Running

    The Mourne Wall is a 22-mile-long, 1.5m high stone wall that stretches through the beautiful Mourne Mountains. It was built to stop livestock from contaminating water supplies, and took almost 20 years to complete!

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    Routes here

    Best Hikes to Mourne Wall

    4.6

    (38)

    404

    hikers

    1. Blue Quarry to Slieve Doan — Mourne

    6.85km

    02:04

    230m

    230m

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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    Moderate

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    5.0

    (1)

    34

    hikers

    Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Hard

    Details

    Informations

    Elevation 580 m

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    Sunday 25 January

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    Location: Cock Mountain Common, Down, Northern Ireland, United Kingdom

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