Derrymore House, 18th-century thatched cottage in County Armagh, Northern Ireland
Derrymore House is an 18th-century manor in County Armagh, Northern Ireland, with a traditional thatched roof made from Shannon reeds. The building sits within a large park of open pastures, winding paths, and a walled garden.
The house was built in the late 18th century for Isaac Corry, a politician who played a central role in the negotiations that led to the Act of Union of 1800. The room inside known as the Treaty Room is linked to those discussions, which shaped the political union of Britain and Ireland.
The name Derrymore comes from Irish and means something like "large oak wood". Visitors can still see old oak trees on the grounds, which reflect that original character of the place.
The main car park sits at the lower end of the grounds, opposite the walled garden, and is easy to find on arrival. A dedicated field near the entrance welcomes visitors with dogs.
During the Second World War the grounds were used as a US Army supply depot, and the military earthworks from that period are still visible in the grass today. These traces are a reminder that the place once served a completely different purpose.
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