Harry Avery's Castle

Harry Avery's Castle is situated half a mile south-west of Newtownstewart, in County Tyrone, Northern Ireland. It is a rare example of a stone castle built by a Gaelic Irish chief, although its origins and history are uncertain. It is associated with and named after Henry Aimhréidh O'Neill, whose name was anglicised as Harry Avery. It is in the townland of Upper or New Deer Park, in the Derry and Strabane District Council area, at grid reference H3915 8527. The remains of the castle are a State Care Monument under the guardianship of the Northern Ireland Environment Agency. ()