If the fortification rampart around the upper city is included, the total area of Jericho was about 9 acres, with a circumference of about ½ mile. It became a walled town again at the end of the 4th millennium BCE. The Bible tells us when Jericho fell. After this, new settlements were established in Jericho periodically. Bryant G. Wood, Ph.D. According to the Book of Joshua, the Battle of Jericho was the first battle of the Israelites in their conquest of Canaan. Jericho is one of the oldest and most important ancient cities of all time. Modern excavations confirm the city’s great antiquity. Bronze Age & The Fall of Jericho. Answer Now the city of Jericho was built upon a large mound of earth surrounded by an embankment with a stone retaining wall at its base. The stone walls of Jericho, which date from about 8000 bce, represent the first technology that can be ascribed unequivocally to purely military purposes. "Reconstructions of the walls of Jericho suggest that there were two walls: an outer mud brick wall - which was built on top of this revetment wall - and an "inner wall" - located higher up (off the picture to the upper left) on the mound. The fact that God instructed Joshua and the Israelites to walk around the city, would suggest that the walls of Jericho were not that wide in diameter. Evidence shows that the walls have been rebuilt many times. “The destruction was complete. 1 Kings 6:1 states the fourth year of King Solomon's reign over Israel was 480 years after the Israelites left Egypt, or 440 years after they entered the Promised Land. Jericho (/ ˈ dʒ ɛ r ɪ k oʊ /; Arabic: أريحا Arīḥā [ʔaˈriːħaː] (); Hebrew: יְרִיחוֹ Yeriḥo) is a Palestinian city in the West Bank.It is located in the Jordan Valley, with the Jordan River to the east and Jerusalem to the west. Jericho, West Bank town that is one of the oldest continuously inhabited settlements in the world and thus also a site of great archaeological importance. Since Solomon's fourth year was about 960 B.C., Jericho's walls fell 440 years earlier, or about 1400 B.C. However, the area of the Upper City, combined with the fortification system, was about 9 - 10 acres total.