Fotheringhay Castle bridge. Little is known about the structural history of the castle while Langley was the owner in the 14th century; however, it is thought that he was responsible for building the outer bailey and partially filling the eastern part of the ditch surrounding the motte. The motte is in diameter at the base and across the flat top, some above ground level. The inner bailey is broadly rectangular and measures approximately . Fotheringhay Castle Fotheringhay Castle (also Fotheringay Castle) was in the village of Fotheringhay to the north of the market town of Oundle, Northamptonshire (). It was probably founded
Fotheringhay Castle rebelled against Henry III late in 1220, and in January the following year captured Fotheringhay Castle, installing his own garrison. He attacked several other castles the same month, but the capture of Fotheringhay was Forz's only success. According to a royal letter he "furtively and seditiously seized the castle of Fotheringhay ... devastating and plundering our land and violently disturbing and infringing our peace and that of our kingdom". Faced with a massing royal army, Forz fled north and Henry III took Fotheringhay and Castle Bytham. Henry III retained control of the castle, and it remained in royal possession until