Belfast Castle is a mansion located in Cave Hill Country Park in Belfast, Northern Ireland, in a prominent position 400 feet above sea level. Its location provides unobstructed views over the City of Belfast and Belfast Lough. There have been several different structures called 'Belfast Castle' over the centuries, located on different sites. The current 'castle' is a Victorian structure, built between 1867 and 1870 on the slopes of Cave Hill, and is listed as being Grade B+.