Clough is a village and townland in County Down, Northern Ireland. It sits about 3 miles from Dundrum on the A2 between Newcastle and Belfast. The A2 continues via Downpatrick and the coast via Strangford and the Portaferry – Strangford Ferry to Portaferry to Belfast, whilst most road traffic heads along from Clough along the A24 via Carryduff to Belfast. It had a population of 255 people in the 2001 census. Clough is situated within the Newry, Mourne and Down area.