Scotland during the Roman Empire for ritualistic purposes, in the west and north. Their geographical locations are highly restricted, which suggests that they may have been contained within a political or cultural frontier of some kind and the co-incidence of their arrival and departure being associated with the period of Roman influence in Scotland is a matter of ongoing debate. It is not known whether the culture that constructed them was "Pictish" as such although they would certainly have been known to the Picts. As Rome's power waned, the Picts were emboldened. War bands raided south of Hadrian's Wall in earnest in 342, 360, and
Antonine Wall Antonine Wall The Antonine Wall, known to the Romans as "Vallum Antonini", was a turf fortification on stone foundations, built by the Romans across what is now the Central Belt of Scotland, between the Firth of Forth and the Firth of Clyde. Representing the northernmost frontier barrier of the Roman Empire, it spanned approximately and was about high and wide. Lidar scans have been carried out to establish the length of the wall and the Roman distance units used. Security was bolstered by a deep ditch on the northern side. It is thought that there was a wooden palisade on