The Ballynahinch Road, on the Ballynahinch side of J2558 : The Ballynahinch Road, Hillsborough (6), at another of the bends along this stretch. The wall (right) marks the boundary of Hillsborough forest. Part of the former Downshire estate (known as “The Large Park”), some of the land is forestry (most of which is not open to the public) and some is the Agri Food and Biosciences Institute Link (Archive Link ) and Link (Archive Link ) .