Nearby, some 300m to the north of the hillfort, and slightly further to the north east, are the sites of two Romano British settlements of Knook Down East and Knook Down West.
They lie approximately 600m apart and are linked by an earlier linear ditch or hollow way.

Knook Down East covers approximately 4 ha (9.9 acres) and is well preserved around a central trackway feature that runs north to south, with 11no.
surrounding scooped platforms and enclosures.
Knook Down West covers approximately 11 ha (27 acres) and may comprise two distinct settlements.
The northern side of the site has a central area off of which are five trackways that serve a number of enclosures.
On the southern side of the site are three enclosures.
Between the two areas lies a field system, with the north and south sides linked by a trackway, which follows the line of a pre-Roman linear ditch.

Finds at the sites and the surrounding areas date predominantly from the 2nd to 4th centuries AD, and include for bones, bracelets, nails, door-furniture, Roman coins, stone flooring, hearths with painted stucco and brick, and burial remains found with a basalt axe.

Possible associated landscape features also include for extensive surrounding field systems, boundary earthworks, ponds, two corn-drying kilns, and the outline of a possible small amphitheatre, or circus.
Nearby, some 300m to the north of the hillfort, and slightly further to the north east, are the sites of two Romano British settlements of Knook Down East and Knook Down West. They lie approximately 600m apart and are linked by an earlier linear ditch or hollow way.
Knook Down East covers approximately 4 ha (9.9 acres) and is well preserved around a central trackway feature that runs north to south, with 11no. surrounding scooped platforms and enclosures. Knook Down West covers approximately 11 ha (27 acres) and may comprise two distinct settlements. The northern side of the site has a central area off of which are five trackways that serve a number of enclosures. On the southern side of the site are three enclosures. Between the two areas lies a field system, with the north and south sides linked by a trackway, which follows the line of a pre-Roman linear ditch.
Finds at the sites and the surrounding areas date predominantly from the 2nd to 4th centuries AD, and include for bones, bracelets, nails, door-furniture, Roman coins, stone flooring, hearths with painted stucco and brick, and burial remains found with a basalt axe.
Possible associated landscape features also include for extensive surrounding field systems, boundary earthworks, ponds, two corn-drying kilns, and the outline of a possible small amphitheatre, or circus.
Knook Castle