Peace wall

The peace lines or peace walls are a series of separation barriers in Northern Ireland that separate predominantly Republican and Nationalist Catholic neighbourhoods from predominantly Loyalist and Unionist Protestant neighbourhoods. They have been built at urban interface areas in Belfast, Derry, Portadown and elsewhere. The stated purpose of the peace lines is to minimise inter-communal violence between Catholics (most of whom are nationalists who self-identify as Irish) and Protestants (most of whom are unionists who self-identify as British).

The peace lines range in length from a few hundred yards to over three miles (5 km). They may be made of iron, brick, and/or steel and are up to 25 feet (7.6 m) high. Some have gates in them (sometimes staffed by police) that allow passage during daylight but are closed at night.

The majority of peace walls are located in Belfast, but they also exist in Derry, Portadown, and Lurgan.

The first peace lines were built in 1969, following the outbreak of the 1969 Northern Ireland riots and "the Troubles". They were built as temporary structures meant to last only six months, but due to their effective nature they have become wider, longer and more permanent. Originally few in number, they have multiplied over the years, from 18 in the early 1990s to at least 59 today; in total they stretch over 21 miles (34 km), with most located in Belfast. They have been increased in both height and number since the Good Friday Agreement of 1998.

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