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
Alnwick branch line Alnwick branch line The Alnwick branch line was a railway line in Northumberland, northern England. It ran from Alnmouth railway station, on the East Coast Main Line, to the town of Alnwick, a distance of . It opened on 5 August 1850 to both freight and passenger traffic; passenger operations included direct Newcastle to Alnwick services, as well as regular shuttle runs between Alnmouth and Alnwick. As late as 1966, some of the Alnmouth to Alnwick shuttles were operated by steam locomotives. All Newcastle-Alnwick services and some local trains were taken over by diesel multiple units from 21 April 1958,