The AcroCorinth is a huge monolithic rock towering above the ancient city of Corinth. Evidence of habitation from the 6th century BC is noted. Surrounded by the fortified citadel which was the most important fortification work from antiquity to the Greek War of Independence in 1821, it is 2,000 meters in length and 575 meters high.
At the Highest point of the 1800 ' high AcroCorinth was the Temple of Aphrodite. It had been continuously occupied from archaic times to the early 1800's. Being such a stronghold it was used by the Byzantine Empire, the Franks, the Venetians and the Ottoman Turks. There is a spring in upper Pierene that is said to have been a gift caused by an unethical doing by Zeus!