Blackwatertown is a small village in County Armagh, Northern Ireland. It sits on the River Blackwater, in the townland of Lisbofin, at the border with County Tyrone. The village is around 8 kilometres north of Armagh city, and the villages of Benburb and Moy are nearby. Blackwatertown had a population of 376 in the 2011 Census. The River Blackwater enters Lough Neagh west of Derrywarragh Island and is navigable from Maghery to Blackwatertown.