Castle Ring is an Iron Age hill fort, situated high up on the southern edge of Cannock Chase, Staffordshire, in the village of Cannock Wood, England. Castle Ring was thought to have been occupied around AD 50, by the Celtic Cornovii tribe. It is situated north of Burntwood and adjacent to the Heart of England Way. There are excellent views over Cannock Chase, the Trent Valley and Staffordshire. It is the highest point on Cannock Chase with an elevation of 244 metres (800 feet). It also lies on the Heart of England Way.