Alnwick Castle in the period 1798–1814. The Abbot's Tower houses the Regimental Museum of the Royal Northumberland Fusiliers. An increase in public interest in the castle was generated by its use as a stand-in for the exterior and interior of Hogwarts in the "Harry Potter" films. Its appearance in the films has helped shape the public imagination regarding what castles should look like. Its condition contrasts with the vast majority of castles in the country, which are ruinous and unfit for habitation. The River Aln flows past the north side of the Castle. There is a deep ravine to the south and
Ralph Percy, 12th Duke of Northumberland to a lesser extent London, Surrey and Tyneside. Ralph Percy was ranked at number 248 in the Sunday Times Rich List 2011, with an estimated wealth of £315 million. He or the corporation is the owner of Alnwick Castle, an ancestral ducal seat, as well as Warkworth Castle and Prudhoe Castle in Northumberland; Syon House and Syon Park in London; Hulne Park and Hulne Priory at Alnwick; Albury Park in Surrey, and other listed buildings such as Brizlee Tower. Northumberland Estates manages : directly managing of forestry and of farmland, with approximately 100 tenant farmers managing the remaining bulk of