Old Sarum is the site of the earliest settlement of Salisbury in England. Located on a hill about 2 miles north of modern Salisbury near the A345 road, the settlement appears in some of the earliest records in the country. It is an English Heritage property and is open to the public. The great monoliths of Stonehenge and Avebury were erected nearby and indications of have been discovered from as early as 3000 BC. An Iron Age hillfort was erected around 400 BC, controlling the intersection of two native trade paths and the Hampshire Avon.