[2] South east of the site is a Bronze Age bowl barrow which, it has been suggested, was later modified as a Norman Motte, known as Dundon Beacon.

[3] The 5 hectares (12 acres) site is guarded by a single bank ranging from 0.5 metres (1.6 ft) to 2.5 metres (8.2 ft) high, however parts of the site have been damaged by quarrying.

[1] Dundon Hill, also sometimes called Dundon Beacon, stands out prominently in the flat country of King's Sedgemoor, rising to a height of 270 feet.

One writer on ancient earthworks notes that it "looks like a respectable mountain and is in fact a natural island fortress".

The whole of the hilltop is enclosed by the single bank of stones and earth.