of the inner ward stands the keep, measuring 84 ft by 60 ft (25.6m by 18.3m) and high. The keep is said to have been built by Hugh de Puiset. Norham Castle is now in the care of English Heritage and is open to visitors. References Bibliography Bain, Joseph, ed., Hamilton Papers, vol.1 (1890), pp. 287–291, no.225, security of Norham Castle in October 1542. Dodds, G.L., “Historic Sites of Northumberland & Newcastle upon Tyne”, 2000, Albion Press, pp 121–129, . Saunders, A. D., "Norham Castle and Early Artillery Defences", Fort (Fortress Study Group), (25), 1997, pp37–61 External links Information at English Heritage Risk assessment information for teachers : English Heritage Castle Explorer: Norham Castle Visit Northumberland - official site Find public transport to Norham Castle - buses stop close to the castle Images of Norham Castle Castles in Northumberland Ruins in Northumberland English Heritage sites in Northumberland Grade I listed buildings in Northumberland Scheduled monuments in Northumberland Ruined castles in England Grade I listed ruins Grade I listed castles Castle