The remains, entirely buried, were observed and photographed from the air by W A Baker in 1959, during a drought.

[1][3] Originally there were turf ramparts and timber gate towers, constructed about AD 80.

It is thought that this site had a better water supply; traces of a bath house were found to the east of the fort.

[1][3] The fort was rebuilt in stone about AD 120, with a similar size, about 2.3 hectares (5.7 acres).

[1][3] There is an adjacent fort to the north-west, entirely buried but visible on aerial photographs, of area about 1.5 hectares (3.7 acres).