History of Workington established on the north bank of the mouth of the River Derwent, near present-day Siddick Pond and Northside. Another fort or watchtower would have been on How Michael to the south side of the river, near present-day Chapel Bank. In 122, the Romans begin building Hadrian's Wall from Bowness on the Solway Firth to Wallsend on the North Sea. The discovery of a Roman fort around the parish church in Moresby to the south, and fortifications to the north at Risehow (Flimby), Maryport and Crosscannonby support the argument that the coastal wall extended down the whole Solway coast and formed
Hadrian's Wall Roman "trulla" (ladle), dating to the 2nd century AD, is inscribed with a series of names of Roman forts along the western sector of the wall, together with a personal name and phrase: . Bowness-on-Solway () is followed by Drumburgh-by-Sands (), until now known only as from the late Roman document, the "Notitia Dignitatum". Next comes Stanwix (), then Castlesteads (). These are the four of the westernmost forts on Hadrian's Wall, excluding Aballava (Burgh by Sands). There is no known word "vali", but "vallum" was the Latin word for an earthen wall, rampart, or fortification. In modern English usage