NZ 250638/Museum/Access

Castle keep of 1168-78. A square tower of three floors composed of sandstone with ashlar dressings. Roof and battlements added circa 1811 by Newcastle Corporation and the building was restored circa 1848 for Society of Antiquaries. The keep is now a museum. Only other suvivor of castle is mid C13 Black Gate again much altered. Castle became obsolescent when the town walls were built in the late C13.{Castrum de Novo-Castro sup Tynam}