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
Roman Cumbria the German frontier, (or possibly both). Hadrian, who was something of an amateur architect, came to Britain in 122 AD to oversee the building of a more solid frontier (along with other measures elsewhere in England). It is possible that Hadrian stayed at Vindolanda (in present-day Northumberland) while planning the wall. Building of Hadrian's Wall along the line of Agricola's earlier garrisons began in 122 AD and was mostly completed in less than ten years, such was the efficiency of the Roman military. It ran from Bowness on the Solway Firth across the north of the county and through Northumberland