The Broad Wall ( HaChoma HaRechava) is an ancient defensive wall, located in the Jewish Quarter of Jerusalem's Old City. The wall was unearthed in the 1970s by Israeli archaeologist Nahman Avigad and dated to the reign of King Hezekiah (late eighth century BCE). The Broad Wall is a massive defensive structure, seven meters thick. The unbroken length of wall uncovered by Avigad's dig runs long and is preserved in places to a height of . It was long believed that the city in this period was confined to the fortified, narrow hill running to the south of the Temple Mount known as the City of David. Avigad's dig demonstrated that by the late eighth century the city had expanded to include the hill to the west of the Temple Mount. The motivation for building the walls is believed to be Sennacherib's campaign in Judah. The wall might be referred to in and . See also Archaeology of Israel Israelite Tower References Buildings and structures completed in the 8th century BC Ancient sites in Jerusalem Jerusalem Hezekiah Jewish Quarter (Jerusalem)