The site consists of a triangular central area of approximately 1.6 hectares (4.0 acres) enclosed by a single rampart, ditch and counterscarp bank.

They found evidence of an older Bronze Age settlement below the hillfort, and artefacts such as Romano-British pottery, antler and animal bone suggested that the site had been a centre of human activity for a prolonged period.

Excavations in the bowl barrows revealed evidence of a cremation, along with an incense cup, perforated conical buttons and secondary urn burials, flints, and Bronze Age and Romano-British pottery.

On 13th July 1643, a Royalist cavalry force under Lord Wilmot fought the Parliamentarian Army of the West under Sir William Waller in the Battle of Roundway Down.

The escarpment is noted as a habitat for rare wildflower species such as bastard toadflax, early gentian, field fleawort and round-headed rampion, as well as a range of insects, including over 30 types of butterfly.