Roman Cumbria to Wallsend on the Tyne estuary, with additional military installations running down the Cumbrian coast from Bowness to Risehow, south of Maryport, in an integrated fashion (and with forts at Burrow Walls and Moresby that were perhaps not part of the system). Historians believe that the Turf Wall from the River Irthing to Bowness-on Solway was rebuilt in stone in two stages. The most easterly five miles were rebuilt at the time of Hadrian, with the remainder being rebuilt after 150 AD. However, this is open to dispute: it is uncertain whether the building works in the second half of
Edderside the second century AD, and there are Roman remains in the vicinity. This section of the west Cumbrian coastline was fortified by the Romans during this period, as a series of milefortlets were constructed to guard the Solway coast beyond the western end of Hadrian's Wall. The remains of Milefortlet 17 are located at nearby Dubmill Point. Following the dissolution of the monasteries in the 1530s, records from Holmcultram Abbey in Abbeytown showed Edderside paid an annual tithe of six large baskets of meal. Also during the 16th century, raids by Scots across the Solway Firth were still relatively common.