Wilton Castle is a 12th-century Norman castle fortification located in southeastern Herefordshire, England on the River Wye adjacent to the town of Ross-on-Wye. The castle is named for the manor associated with it.This castle in Herefordshire, still standing mostly to battlement height, remains a monument to its former lords. The Longchamps of Wilton in their time provided Bailiffs of Normandy, Chancellors of England, sheriffs of Hereford and the Welsh Marches and enemies of King John.