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Black Pigs Dyke

The curiously named Black Pigs Dyke was one of the most dominant ancient boundary formations in the country. It is named after the legendary Black Pig which is reputed to have destroyed the Viking stronghold at Armagh and then fled westwards, gouging out her famous trench as she proceeded, until she was killed near Lough Gowna. At one time Dyke, which was mainly defensive in purpose, was recognized as the ancient boundary between Ulster and the rest of the county. It can still be traced running south-easterly from Lough Gowna towards Lough Kinale in Co. Westmeath.